390 results about "Taproot" patented technology

The invention relates to a big seedling transplanting method for an inshore saline-alkali land. The method is characterized in that: the optimal time for transplanting big trees in inshore regions is spring. The method comprises the following steps of: selecting a region with soil salt content of over 0.3 percent, and paving a filter layer; installing blind pipes; backfilling original soil doped with 1 / 4 to 1 / 3 cow dung or straws; irrigating with great water to remove salt and reduce alkali, wherein the water quantity is 120 cubes per mu; cutting and trimming roots in a mode of 'cutting the main root and keeping capillary roots' in one year earlier; lifting and transporting; planting in a depth which is 10 to 15 centimeters higher than the original trunk planting earth surface line position; and performing daily management. The method has the advantages of effectively reducing underground water level, providing favorable conditions for reducing slat and improving alkali, providing an appropriate environment for the growth of plants, remarkably promoting the growth of roots of big seedlings, enhancing the growth vigor, achieving the seedling survival rate of over 90 percent and effectively solving the problem of low survival rate of the transplanted big seedlings in the saline-alkali regions.

The invention discloses a method for promoting the culture of cyclobalanopsis glauca (Thunb.) Oerst. seedlings. Mixed medium of long lasting controlled release fertilizer is adopted, main roots and lateral root systems do not adopt air root cutting, the main roots and longer lateral root systems can pass through the bottom parts of a container and a seedling nursery plate to penetrate through the nursery ground for growth, well developed fibrous root systems are formed by manual cutting for many times, few lateral root systems can make series flow growth between containers, and the seedling success of the cyclobalanopsis glauca (Thunb.) Oerst. is greatly improved by the technical measures of seed wet sand stratification, disinfection, reasonable fertilizer, water, light irradiation, seedbed management and the like. The invention has the technical advantages of developed seedling fibrous root systems, prosperous growth vigor and convenient management, and has obvious difference from the conventional outdoor seedling culture and the like. The seedlings cultured by adopting the technology has high afforestation survival rate and transplanting survival rate and short transplant recovering period; and the invention effectively improves the quality of seedling afforestation and transplanting, has obvious benefits, and can be widely popularized and applied in production; and meanwhile the method also can be applied to the forcing culture of seedling of other tree species of fagaceae.

The invention discloses a method for rapidly raising high-quality 'three-current' (raising stocks, grafting and moving seedlings out of nurseries in the current year) well-bred seedlings of Carya illinoensis. The method disclosed by the invention comprises the following steps of: quickly breaking the dormancy of seeds through soaking the seeds into gibberellin, and carrying out seed stratification in a hotbed three months ahead of schedule; cutting the taproot growing points of sprout-stocks so as to carry out sprout-stock root breaking; carrying out container seedling-raising by using customized containers and a self-made matrix, placing the customized containers in a greenhouse and keeping for half a month, and after the customized containers are moved out of the greenhouse, completely burying the containers into soil; during the fast growing period of stock seedlings, daubing a gibberellin solution on the basal parts of stems, so that the ground-diameter thickening is effectively promoted, and a large number of high-quality stock seedlings meeting the requirements of grafting are raised in early July; and about 10-15 days after the grafting is successful, cutting out stock parts 1cm above graft buds, daubing gibberellin on the graft buds, and strengthening nutrient and water management, so that the graft buds grow to branches of 30-40 cm, and the heights of grafted seedlings in the current year meet the out-of-nursery standards of 50-60 cm, thereby raising a large number of healthily-growing 'three-current' well-bred seedlings of Carya illinoensis. Compared with the traditional seedling raising method, two years are shortened.

The invention relates to a method for artificial culture and propagation of plant root-knot nematodes and for species preservation. The propagation and preservation of the root-knot nematodes in a lab depend on host plants all the time; the invention places a relatively small amount of root-knot nematode ovums or 2nd instar larvas in a particular dual culture medium rather than host roots and performs a upside-down culture under conditions of constant temperature and hermetic closure, the root-knot nematodes ingest, grow and propagate inside the culture medium and a large amount of nematomorphas can be obtained in a short term; additionally, a culture plate is timely transferred to be located under cold conditions, and dish change and subculture are implemented once within a half year so that the propagation and preservation processes of the root-knot nematodes are carried out without the host plants. The inventive advantages lie in: saving the culture program of the root-knot nematodes to host the plants without losing the infectivity of the root-knot nematodes on sensitive host plants; the employed materials have low costs and the experiment method is easy in operation; the invention provides a simple, convenient and fast propagation method for the species preservation of the root-knot nematodes, in particular for a large number of nematomorphas as required in the related researches of the root-knot nematodes.

The invention provides an operation method for transplanting wild big trees, and relates to a method for transplanting wild big trees. The method comprises the following: a step of cutting off lateral roots, which is to take a trunk as a center and ditch taking the radius which is 3 to 4 times of the diameter of breast height, and a soil ball formed by ditching is in a reverse trapezoidal shape with big top and small bottom; a step of promoting new roots, which is to erect a row of wood boards serially connected by use of linen threads along a middle boundary of ditch width, spray root cuts with root power water on the side near the soil ball, spray the soil ball with root rot liquid medicine, backfill a mixed matrix of moss and river sand, backfill and tamp soil in layers on the other side; a step of cutting off a taproot, which is to ditch along the outer side of the wood boards after absorption roots are formed on the root cuts in next year, cut off a thick root and form a soil ball which is surrounded by the wood boards and is in a reverse circular truncated cone; a step of bunching the soil ball, which is to use straw ropes to bunch the basal part of a big tree and then nail guard plates; a step of lifting and unloading the big tree into a planting hole dug in advance after lifting and transporting the big tree to a destination; and a step of fixing and planting, which is to place the tree into the hole, remove the straw ropes and wood board binding materials and fill the hole with soil. The method can ensure that the survival rate of transplanted big trees is nearly 100 percent, thereby greatly improving environment greening ratio.

The invention belongs to the technical field of plant cultivation, and relates to a plant cultivation method, in particular to a cultivation method of broccoli. According to the greenhouse broccoli high-yield and high-efficiency cultivation technology, the disease resistant, medium-maturing and late-maturing broccoli with the long picking time is selected, seeds are sown, germination acceleration and poikilothermic treatment are carried out on the seeds, main root tips are cut off, growth of lateral roots are facilitated, and the seeds are cultivated in an open-mouthed rectangular container; meanwhile, by means of a nutrient solution, the seedling stage quality is good, the leaf color is dark green, the sound seedling index reaches more than 99%, planting is carried out when the seedling age is about 30 days, the seedling slowing time is short, the growth is fast, the ultimate capacity is high, the quality is good, the temperature inside a greenhouse can be adjusted by opening or closing large and small greenhouse thin films from the initial budding stage to the harvesting process of the broccoli particularly in autumn and winter which are low-temperature seasons, higher economic benefits can be obtained after the broccoli appears on the market before or after a festival, meanwhile, the quality of the broccoli is improved, the yield per mu can reach more than a ten thousand yuan, and the standardized pollution-free greenhouse cultivation is achieved.

The invention discloses a method for culturing baikal skullcap root drug, which is characterized by interplanting of forest and drug, cuttage seedling, and cultivation and management, wherein interplanting of forest and drug is characterized by remaining a baikal skullcap root planting belt in an apricot forest to plant baikal skullcap root; the seedling measures of slipping and clipping, chemical treatment and slipping cuttage standard are put forward for the cuttage seedling; and scientific and reasonable fertilization pattern, variety and dose are mainly put forward for the cultivation and management. In the invention, the tri-dimensional culturing method of interplanting of forest and drug is adopted for culturing the baikal skullcap root, thereby being capable of efficiently making full use of the natural resources such as land, air, luminous energy, water and heat, and harvesting the forest and drug in double. The cuttage seedling technology is standard, scientific and reasonable; the seedling survival rate reaches up to 99%; the baikal skullcap root sprout in cuttage seedling has three to four main roots; and the baikal skullcap root in cuttage grows well. The method provides scientific and reasonable basal fertilizers, varieties of dressing and foliage fertilizer and application amount, thereby meeting the nutritional need of baikal skullcap root under the environment of interplanting of forest and drug, and having high yield of baikal skullcap root and obvious economic benefit.

The invention discloses a tree seedling transplanting pot landscape sculpt culture method and relates to the technical field of landscape tree sculpts. The tree seedling transplanting pot landscape sculpt culture method mainly comprises the following steps: (1) selecting nursery stocks, i.e. using arbor as the tree species and selecting more than two seedlings of the same tree species; (2) making a transplanting die, i.e. making the die into a hollow-out type soil-containing columnar frame; (3) transplanting the nursery stocks, i.e. firstly, digging a tree pit of which the diameter and the depth are greater than those of the die, laying a plastic thin film at the bottom of the pit to prevent a taproot from growing upwards, then placing the die, filling a right volume of soil, transplanting the nursery stocks, compacting and watering; (4) carrying out sculpt growth, i.e. carrying out sculpting of locking, knotting, corner looping, threading in loops and the like; (5) carrying out secondary rooting culture, i.e. after a trunk sculpt is basically formed, carrying out technical processing on the tree root; (6) preparing to transplant. According to the tree seedling transplanting pot landscape sculpt culture method, the transplanting survival rate of a combined tree can be improved, diversification, aesthetics and the success rate of the sculpt design can be improved and anti-disaster ability can be improved. The tree seedling transplanting pot landscape sculpt culture method is particularly suitable for urban local landscape or large forest sculpts in cities.

The invention discloses a psammosilene tunicoides cultivation method, which comprises the following steps of: a, preparing a cultivated land; b, seeding; c, managing field; d, harvesting. Through trial and error, the most appropriate humidity range of seed germination soil for psammosilene tunicoides is obtained, and is strictly controlled between 50 percent and 60 percent until emergence of seedlings; aiming at the characteristics of waterlogging-avoiding of the psammosilene tunicoides, the soil moisture content is strictly controlled between 25 percent and 35 percent after seedling, the qualified seedling percentage (90 percennt-92 percent) and the emergence rate (80 percent-85 percent) are greatly improved, and the yield (480kg / mu-520kg / mu) is improved. The method adopts a direct seeding manner to cultivate the psammosilene tunicoides, and is low in cost, good in product quality since a main root is not easy to diverge, and great in popularization value.

The invention pertains to gardening plant propagation technological field, in particular to a fast cutting propagation method of bougainvillea spectabilis. The method comprises seedbed construction, selection and treatment of cuttings, curing management, etc.. With a thickness of 25-35mm, perlite is used as the stroma of the seedbed; the lengths of the treated cuttings are 8-12cm, the cuttings are evenly inserted into the stroma of the seedbed at a depth of 4-6cm based on certain plant and row spacing, along with scientific curing management, cotton yarns or straws are covered between the cutting seedlings for water absorption and heat preservation, new roots of the cuttings are initially formed after 14 days, and seedlings grow out after 30 days, then acclimatization and transplantation can be carried out. The invention, combined with the seedbed construction, treatment with plant growth liquid and scientific curing management technology, greatly shortens the rootage and seedling time of the cuttings with obvious rootage effect by robust taproots and high survival rate; besides, the invention is simple and easy to apply, easy and convenient to manage and has high economic benefit without occupying arable land.

The invention discloses a grafting and breeding method for a tea tree root stock. The method comprises the steps of: taking roots of seeding obtained from sowing tea seeds as the stock, taking annual half-lignifying or lignifying branches of tea tree fine breeds, cutting the branches into short spikes, grafting the short spikes with the stock, closely wrapping an grafting interface with aluminiumfoil adhesive tapes, planting the grafted branches in a seeding nursery, and conducting following management in a way similar to that of the conventional cottage and breeding method. The survival rate of the grafted seeding reaches more than 90%, and large-scale breeding can be performed. By adopting the grafting and breeding method for the tea tree root stock, the disadvantages that the short spike cuttage seeding has no main root, the tea seeding has poor drought and cold resistance, and the requirement on the planting soil condition is high are overcome, a great deal of sprout removing work during breeding management, resulting from germination and growth of root adventitious buds of root caps, is avoided, and the purity of the seeding is guaranteed; in addition, the aluminium foil adhesive tapes are adopted for colligation and wrapping, so that the survival rate of the grafted seeding is increased.

The invention provides a preparing method of red ginseng extract, whose technical characteristic is as follows: the dry red ginseng taproot is broken into meal, through dipping, ultrasound extract, filtering and decompression to be condensed to extract. The process is suitable for industrial production. The drug composite taking red ginseng extract as effective ingredient to prepare skincare cosmetic is characterized in that: the red ginseng contains AFG which is the basic active ingredient of cosmetic. The invention provides the specific embodiment of multiple skincare cosmetics such as semitransparent microemulsion astringent, nutritive lotion cream, face cream and hair conditioner etc., simultaneously expounding the cleaning function of different ingredients of red ginseng WSP to superoxide anion and the anti histamine liberation function of red ginseng WSP.

The invention discloses a method for researching a partial root drying irrigation technology of woody fruit trees. The research method comprises the following steps of: manufacturing a root-zone root-splitting box, planting a tree seedling, performing partial root drying irrigation and the like. The root-splitting box is prepared from transparent organic glass or toughened glass with the thickness of between 2 and 3cm, the length, the width and the height of the box are all between 40 and 60cm, four small boxes in which no water can be leaked are uniformly partitioned by using a homogeneous material inside the box body, the bottom of each small box is provided with a small hole with the diameter of between 2 and 3cm, a main root of the tree seedling is cut off before the planting, and lateral roots are uniformly divided into four parts and are planted into the four partitioned small boxes; and the periphery of the root-splitting box is wrapped with a foam board with the thickness of between 8 and 10cm, and the research on partial root-zone fertilizer water is carried out after young sprouts of a fruit tree grow to 15cm. The method can be used for researching the dynamic influence of the supply space and consumption of fertilizer water of different rooting zone volumes of the woody fruit trees on the growth of tree bodies and root systems, and provides convenience for realizing the research on water conservation, fertilizer conservation, improvement on moisture utilization rate and the like.

The invention relates to an epulorhiza sp. strain S1 (CGMCC No.8145) and application of the epulorhiza sp. strain S1 in promoting of the growth of dendrobium officinale and the accumulation of dendrobium officinale polysaccharides. According to the application, a dendrobium officinale tissue culture seedling is taken as a material and is manually inoculated with the S1 (epulorhiza sp.) strain, after the tissue culture seedling and the S1 strain are co-cultured for 60 days, S1 fungus and the root of a host form a symbiotic relationship, the fresh weight increment, dry weight, plant height, stem height, stem diameter, number of nodes, internode length, number of tillers, number of fresh roots and polysaccharide content of the tissue culture seedling are remarkably higher than a contrast, and the polysaccharide content is 141.63% higher than the content of an uncultured seedling and is about 2.4 times of the polysaccharide content of the uncultured seedling. By utilizing a novel technique, the growth of the dendrobium officinale tissue culture seedling is greatly promoted, and the biomass and the polysaccharide content of the dendrobium officinale tissue culture seedling are increased; according to a technical method, the operability is strong, the high-quality dendrobium officinale tissue culture seedling can be produced, and high economic benefits are brought to an efficient cultivation technique and industrialization production of the dendrobium officinale.

The invention relates to a low-carbon and high-yield poria culture method and belongs to the technical field of edible (medicinal) fungus culture. According to the method, poria is cultured naturally by utilizing underwood waste pine root and stem, and a specific poria strain, which is Wolfiporia extents Chuanjie-1-A5 with preservation number of CGMCC No.6660, suitable to be cultured by using pine root and stem is selected and is cultured in combination with a taproot inoculation method. The culture method comprises the following steps of: producing a strain; pre-treating the pine root and stem; inoculating; and conventionally managing and harvesting. According to the method, waste pine root and stem of forestry is effectively utilized to naturally culture poria in a low-carbon manner, 'conflict between fungus and forest' in poria production can be effectively solved, and harm of termite and other insect pests caused by forest waste discharge can be reduced, so that the production cost can be reduced, labor intensity of poria planting can be greatly reduced, time and labor can be saved, and management is facilitated. The culture method is beneficial to sustainable development of the poria industry and has remarkable economical benefit.

The invention belongs to the field of plant cultivation, and relates to a potted-planting seedling protecting method for mangrove plants. The method comprises the steps of transplanting, wherein the bottoms of flowerpots are laid with grid layers, then soil is put into the flowerpots, and mangrove hypocotyls are planted into the soil; low-temperature protection, wherein an antifreeze solution is sprayed to the main stalks of mangrove seedlings. According to the method, the bottoms of the flowerpots are laid with the grid layers so that the main roots of the mangrove seedlings can penetrate through bottom holes of the flowerpots and are broken during transplanting; the antifreeze solution is sprayed to the mangrove seedlings at appropriate time so that seedling leaves can be protected and safely pass the winter; the survival rate of the mangrove seedlings can be high, cold waves can be effectively resisted, and mangrove forests have great significance on popularized planting in a higherdimension; during seedling raising management, by simulating semi-diurnal tide rising and falling rules, seawater is irrigated into the flowerpots to simulate the natural living environment of the mangroves, and the physical conditions of the mangrove seedlings are improved; all parameters in all the steps of the method have a synergistic effect to commonly increase the survival rate of the mangroves during potted planting.

The invention relates to a method for the quick seedling raising of the seeds of shinyleaf yellowhorn, which belongs to the planting of fruit trees. The method for sowing seeds and raising seedlings in nursery lands with sand soil comprises the following breeding steps: seed collection, seed selection, stratification, nursery land selection, spring sowing and nursery management. The invention hassuperior biological hereditary property, no virus accumulation, flourishing root system, robust tree seedlings and high survival rate. The plant height of the tree seedlings of the raised shinyleaf yellowhorn out of the nursery is 70-100 centimeters, the length of taproots is 20-30 centimeters and the survival rate is more than or equal to 90%. The invention provides enough tree seedlings for functions in the aspects of planting shinyleaf yellowhorn trees in a large amount, exerting the economic benefit, the social health-care benefit and the medical treatment benefit of the shinyleaf yellowhorn trees, preventing sand, consolidating soil and protecting the environment. The invention is suitable for the quick seedling raising of the seeds of various yellowhorn variation varieties.

The invention relates to a successful cutting propagation method of desert caragana, which comprises the following steps of: selecting a strongly growing bush as a maternal plant, and respectively scissoring a twig, a hard branch and a taproot of the desert caragana for cutting; putting the twig of the desert caragana into 100ppm of growth regulator solution, wherein the soaking depth is 2-3 centimeters, and the soaking time is 6.5-10 hours; putting the hard branch into 500ppm of growth regulator solution, wherein the soaking depth is 2-3 centimeters, and the soaking time is 1-3 hours; soaking the cutting of the taproot in 50ppm of growth regulator solution for 18-20 hours; and selecting a position with flat land and good drainage for arranging a cutting bed, selecting sandy soil as a cutting ground mass, cutting at the depth of 4-5 centimeters, watering after cutting, setting up a shading net in time, watering once every five days, tearing off the shading net after one month, and counting the survival rate after three months. An experiment result indicates that the processing method can ensure the success of the cutting propagation of the desert caragana, and provide abundant germ plasm resources for ecological restoration and stockbreeding production in desert regions.

A straw-compost for improving the soil of continuous cropping ground and a relative composting method belong to the agricultural technical field, which resolves the problems that planting ginseng in one ground for years and the soil conditions are gradually deteriorated, the fertility is reduced, ginseng has serious disease, yield is reduced and quality is reduced. The inventive straw compost is composed of 2.00-4.00% of urea, 0.30-0.60% of potassium dihydrogen phosphate, 0.04-0.08% of ferrous sulfate, 0.05-0.15% of boric acid, 0.05-0.15% of manganese sulfate, 0.04-0.08% of copper sulfate, 0.10-0.30% of zinc sulfate, 0.05-0.15% of ammonium molybdate and broken plant straws, referring to mass percentage, which are composted together. When prepares land at first year, user uniformly sprays the straw compost on soil surface, ploughs land twice to mix the compost with soil uniformly and seeds or transplants ginseng at next year. The invention can improve continuous cropping ground, improve the length and thickness of the main root of ginseng, reduce the disease on ginseng root, and improve the quality and yield of ginseng.

The hydroponics attachment capable of steady growing of even taproot-type plant and easy plant relocation includes: the cap member with the opening at its top, which is detachably screwed, via the threaded portion, on the mouth of the drink bottle; the bottomed cylinder-shaped case body fitted in the opening; and the water-holding element placed in the case body for absorbing water in the drink bottle, so that hydroponics can be done with absorbed water. The single-piece water-holding element is made of a plurality of aligned filaments. The case body has, at its bottom, the insertion hole for guiding the plant's root growing downward through the water-holding element to go under the case body. The opening dimension of the insertion hole is smaller than the outer dimension of the water-holding element.

The invention relates to a biological agent type rooting liquid for promoting plant to root, and a preparation method thereof. The rooting liquid comprises 20-140 g / L of Bacillus natto powder, 10-70 g / L of potassium humate, 3-18 g / L of chitosan, 10-70 mg / L of single nitrification guaiacol sodium, and 20-100 mg / L of fatty alcohol polyoxyethylene ether. According to the invention, the rooting liquid is prepared by using scientific biological formula, and is rich in special biological agents and organic ingredients, can strengthen growth of taproots, promote germination of lateral roots, form a large root system; inhibit growth of pathogen, promote heal of wound, enhance resistance of trees; control soil compaction, promote absorption of nutrient, improve soil environment, and thus increase survival rates of nursery stocks. The rooting liquid is convenient to use, few in amount and quick in effects, and thus is a high-efficient and environmental-protective biological agent type rooting liquid.

The present invention provides a seedling cultivation method of autumn sowing fruitage of shiny-leaved yellowhorn. The mature fruit is collected at an appropriate period and the seed is graded. An appropriate plot is selected as a plant nursery and is processed. The seed is sowed in autumn and the corresponding management is excellently executed in each period. The seedling cultivation method of autumn sowing fruitage of shiny-leaved yellowhorn according to the invention more accords with the natural course of seed growth and facilitates the healthy growth of seedling. The seedling generating time of autumn sowing of shiny-leaved yellowhorn is early for about 10 days than the seedling generating time of spring sowing. The plant height of autumn sowing of shiny-leaved yellowhorn is higher for 10cm than the height of seedling of spring sowing averagely. The diameter of principal root of autumn sowing of shiny-leaved yellowhorn is longer for 1.5mm than the diameter of principal root of spring sowing averagely. The survival rate of annual seedling is increased for 32% compared with the seedling which is germinated in natural condition. The plant height is higher for 6.3cm averagely, and the diameter of principal root is longer for 1.8mm averagely.

The invention relates to a method for improving the transplanting survival rate of a seed of a project tree. The method for improving the transplanting survival rate of the seed of the project tree comprises the steps of digging the tree seed, namely the tree seed is dug out together with the root and mud from an original growing land; trimming the tree seed, namely the tree seed is trimmed after being dug out and separated from the soil with the root reserved; processing the root of the tree seed before the tree seed is planted, namely mycorrhizal fungi, sawdust, cane sugar, sweet potato dust, dipotassium phosphate and auxin are put into a reaction still and are evenly stirred to form mycorrhizal fungi agents, and then the mycorrhizal fungi agents are poured or sprayed on the root of the tree seed; and planting the tree seed, namely a planting hole is dug, and water is poured into the hole, wherein the water occupies two thirds of the space of the hole, the water and aggradation are stirred to form mud, the root of the tree seed is placed in the mud in the planting hole and then the hole is covered with soil. According to the method for improving the transplanting survival rate of the seed of the project tree, water and the mycorrhizal fungi are used as media, raw root regulation hormone is dissolved in the media with a certain proportion, and therefore the media have the advantages that the tree seed is promoted to strike fresh roots and shoot, the main root of a sapling is promoted to stretch and grow strong, and lateral roots are promoted to increase, and the like and plays an important and forcible role in improving the transplanting survival rate of the tree seed.

The invention belongs to the technical field of fruit-vegetable cleaning equipment, and relates to a sweet potato cleaning device. The sweet potato cleaning device is applied in cleaning occasions before fruit-vegetable processing, is applicable to cleaning taproot vegetables, solanaceous vegetables, melon vegetables, dicscorea zingibernsis vegetables, melons and fruits, kernel fruits and stone fruits in the agrobiology classification, and can improve the cleaning efficiency. The sweet potato cleaning device solves the problems that the consumed time is long, the workload of a worker is large, the fruits and vegetables are not cleaned clearly, multiple procedures are needed and the equipment is large in occupied space; meanwhile, the sweet potato cleaning device can save time and labor, is efficient and saves energy, the equipment is small in occupied space, the cleaning amount is large, and cleaning is conducted thoroughly. The main structures of the sweet potato cleaning device comprise a feeding device, a spraying device, a cleaning device body and a material collecting device, wherein the feeding device is arranged at the head end of the cleaning device body, the material collecting device is arranged at the tail end of the cleaning device body, and the spraying device is arranged over the cleaning device body; the sweet potato cleaning device is simple in overall structure, is reliable in principle, conserves energy and reduces emission, saves both time and labor, is good in cleaning effect, and low in investment and operation cost, and has good economic benefit and a broad market prospect.

The invention relates to a cultivation method of liquorice, in particular to a cultivation method for improving the maturing rate and the yield of liquorice seeds. The method includes the following steps that main roots of the liquorice are selected; sandy soil is selected; farmyard manure is applied to be ploughed deeply and raked to be fine and flat; processing of improving the root stock survival rate is performed on the main roots; the main roots are reasonably and densely planted in spring or winter; watering is performed at least four times each year, and watering is performed in the range of 60-100 cubic meters each time per mu; fertilizer applying is performed two times each year; solutions for restraining the vegetative growth of the liquorice and promoting the reproductive growth are sprayed in the first ten days of June each year; the tops of liquorice plants are cut off in the late ten days of July each year; broad-spectrum pesticides are sprayed in the middle ten days of May and the middle ten days of July to prevent insect damage; the liquorice seeds are harvested in the middle ten days of August each year from the second year since planting. With the method, pest and disease damage such as liquorice pulse beetles can be effectively avoided, harvesting is reasonable, premature harvesting is prevented, and the quality of the liquorice seeds is improved.

The invention discloses a seedling method for promoting growing of nursery stock lateral roots and belongs to a plant breeding method. The method includes that (1) collected and mixed seeds of water oaks and apocarya are disinfected and hidden in sand; (2) germinated seeds are taken out successively in next early spring; (3) after a part of radicles of the germinated seeds is cut, the germinated seeds are transplanted into a clean sand bed, a plastic tunnel is covered on the sand bed and used for preserving heat and moisture so as to promote germinating of seed embryos and growing of radicles; and (4) when seedlings of the seeds emerge, the seedlings are transferred from the sand bed, a part of newly grown roots are cut again, and the seedings are planted in a field according to certain strain row gaps. In a sand hidden period and a germination accelerating period of forest tree seeds, measures of cutting parts of radicles of the embryos twice are taken, a large amount of lateral roots and fibrous roots are seduced to grow at the root breaking positions of seedling main roots, and the number of the lateral roots and the fibrous roots are increased by 100-350%. Increasing of root system area promotes growth and development of the seedlings, proportion of portions of the seedlings above the ground and under the ground is adjusted, and survival rate of afforestation of seedling transplanting is improved. The method has wide application and popularizing prospects in nursery stock cultivating of deep-root tree varieties.

The present invention provides a food product comprising at least 1.5%, 5%, 10%, 20%, 30%, or more, by weight total ingredients of a low bitter chicory plant material or flour. The present invention also provides a method for obtaining a chicory product with reduced bitterness, comprising blanching chicory roots or root chips, drying the blanched chicory root chips, and optionally grinding the dried chicory root chips and incorporating it into flour, dough, or other food products. Also provided is a method for obtaining a chicory taproot with reduced bitterness, comprising cultivating a chicory plant at a soil nitrogen level of 150 lbs per acre or less in the upper 3 feet of the soil.

The invention discloses a Carya illinoinensis Koch seedling raising substrate, a preparation method and application thereof. The substrate includes turfy soil, perlite, loess, and a water diluted nitrogen fertilizer, and the mass percent of water in the substrate is maintained at 40-80% of the total mass of the substrate. The preparation method includes: mixing the turfy soil, the perlite and the loess uniformly, adding a cake fertilizer and urea, and mixing the materials evenly; further adding carbendazim or a potassium permanganate solution; mixing the materials and then conducting film mulching. Directed at Carya illinoinensis Koch, the invention puts forward a full set culture system of small container seedling raising, the substrate has simple formula components, the preparation is convenient, and the cost is low, and a certain amount of a slow-release fertilizer is added to provide nutrients for later seedling growth. Practices prove that by employing the substrate for culture, the seedling height and base diameter increment are both higher than those of a control group, and the seedling transplanting survival rate is also greatly improved. In addition, Carya illinoinensis Koch is a deep-rooted tree species, the main root is flourishing and grows rapidly, and the size of the seedling raising container can meet annual Carya illinoinensis Koch seedling root growth.

The invention discloses a peanut breeding method by cold plasma treatment. The method comprises the following steps: (1) carrying out cold plasma treatment on a to-be-treated peanut raw material to obtain a material after cold plasma treatment; and (2) breeding peanuts with target characters from the material after cold plasma treatment. The method disclosed by the invention carries out the cold plasma treatment on peanut seeds, so that the ability of the peanut seeds is remarkably improved with the following characteristics: the germinating ability of the seeds is improved; the plant height is decreased; the main root length is increased; fibrous root length is increased; the fresh weight of hundreds of seedlings is increased; the first lateral branch is prolonged; the total branching number is increased; the full fruit quantity of a single plant is increased; the flat fruit quantity of a single plant is reduced; the weight of hundreds of peanuts with shells is increased; the 100-kernel weight is increased; the kernel yield is increased; and the output is increased. The peanut breeding method disclosed by the invention breaks through the defect of low-level redundancy and severe homogenization in conventional breeding, potential dangers in transgenic breeding and huge economic input of space breeding, can shorten the breeding period and has advancement in breeding method and means.