311results about How to "Improve seedling survival rate" patented technology

The present invention is one kind of nutrient reinforcing agent for artificial fry raising of marine animal, and relates to the recipe and preparation process of micro algae bait nutrient reinforcing agent. The microalgae bait nutrient reinforcing agent consists of several kinds of micro algae containing different nutritious components and has grain size of 5-20 microns. It contains great amount of DHA, ARA and natural astaxanthin, and can raise the immunity and survival rate of raised marine animal. It can meet the requirement of hatched fries of fishes, shrimps and shells in feed. For example, when the microalgae bait nutrient reinforcing agent is used in raising turbot, it can raise the survival rate and lower the albinism rate greatly.

The invention belongs to the technical field of culture of potato, and particularly discloses a cost-saving and yield-increasing culture technique for southern winter planting potato. The technique comprises the following steps of: selecting a land, preparing the land and furrowing; applying a base fertilizer; treating potato seeds; seeding; covering with soil; covering with a film; earthing up the film; managing liquid manure, weeds and insect pests; and harvesting, wherein a method of earthing up the film is that: a layer of smashed soil of 5-8 centimeters is covered on the film by using a machine or a hoe, so that the film on a ridge surface is covered fully. In the technique, an integral water manure furrow application method is used innovatively, so that the labor per acre is saved by 7 persons, and the acre yield is up to 9,136 jin. Due to the adoption of the technique, the increase in of the yield of potato is facilitated, the production cost is lowered, and the economic benefit of potato production is increased. On the aspect of technique, the process flow of potato production is completed, the production time of potato is shortened, and a solid technical foundation is laid for the popularizing scale, standardization and commercial production of the potato industry.

The invention discloses a tomato seedling growing matrix which is made of the following raw materials by volume: 30-50% of maize straws, 5-12% of sterilization decoction dregs, 15-30% of cow dung, 10-20% turf, 10-30% of vermiculite and the balance, water-retaining agent. The matrix is made through the steps of raw material breaking, burdening, fermentation decomposing and mixing. The tomato seedling growing matrix is rich in nutrient contents of total nitrogen, total phosphorus, rapid available phosphorus and rapid available potassium, and can obviously promote healthy strong growth of tomato seedlings. The tomato seedlings are stable in growth in the aspects of dry weight, stem diameter, leaf area and the like, the seedling emerging survival rate is high, and the matrix has the advantages of being good in seedling growing quality and low in cost.

The present invention relates to one kind of environment friendly feed for white South America prawn fry. The environment friendly feed can promote the growth of white South America prawn fry, raise its survival rate and disease resistance, and reduce environmental pollution. The feed has nutritious components comprising coarse protein 50-55 wt%, coarse fat 15-20 wt%, total sugar 6-7 wt%, ash weight portions15-20 wt%, and water 6-10 wt%; and material composition comprising protein material 69.75-79.47 wt%, fat material 4-7 wt%, sugar material 5 wt%, feed adhesive 3 wt%, antioxidant 0.305-1.205 wt%, phagostimulant 1.6 wt%, composite vitamins 2 wt% and composite mineral salts 1-4 wt%.

The invention relates to the field of robots and is intended to provide a mobile inspection and seedling supplementing robot for greenhouse seedbeds, which has a seedling quality recognition function,a bad seedling rejection function and a good seedling transplanting function and which can move in a space in a fixed direction so as to provide continuous seedling inspection and supplementing. According to the technical scheme, the mobile inspection and seedling supplementing robot for greenhouse seedbeds comprises a controller, and is characterized by also comprising two guide rails arranged in parallel, a frame capable of moving along the guide rails, a seedbed used for holding trays to be replaced and arranged below the frame, a plurality of power mechanisms arranged at the bottom of theframe and allowing the frame to move along the guide rails, a seedling supplementing platform fixed to the frame and used for placing replacement trays, a sliding mechanism arranged above the seedbedand movably positioned on the frame, and a seedling transplanting mechanism driven by a sliding mechanism to reciprocate between the seedling supplementing platform and the seedbed to transplant seedlings.

The invention relates to a special base stock bag for oil-tea tree seedling cultivation and a preparation method thereof. Base stock comprises northeast peat soil, slow release fertilizer, a powder type water-retaining agent, bark grains, saw dust, rice hulls, yellow-clay fine powder, vermiculite and perlite. The preparation method of the base stock bag includes steps of raw material preparation, single term processing, raw material mixing, base stock bagging, long bag cutting and the like. The base stock bag greatly improves survival rate of seedlings and shortens a seedling growing period, the slow release fertilizer achieves even fertilizing matching with seedling fertility required rhythm, the water-retaining agent guarantees a water demand of seedlings in a survival period, and the northeast peat soil balances breathing of seedling roots and water retaining. The materials are easy to obtain, and the special base stock bag is suitable for industrialized production of grating seedlings of oil-tea tree seedlings.

The invention discloses a high-quality cultivation method for a snakegourd fruit in the northern Anhui province. The method comprises the following steps: (1) root tuber treatment; (2) soil treatment; (3) seedling management; (4) final-period management; (5) harvesting and processing; and (6) overwinter management. The cultivation method is scientific and reasonable; the soil quality can be significantly improved; the seedling survival rate of the snakegourd fruit can be improved; the stress resistance of the snakegourd fruit plant is enhanced; the snakegourd fruit planted by the cultivation method can bear fruit in the same year; the requirements of the snakegourd fruit on the nutrients in the whole growth stage can be met only by applying a special fertilizer for the snakegourd fruit once a year; the quality and the yield of all snakegourd fruits are obviously improved; and good planting benefits can obtained.

The invention provides a cucumber seed germination accelerating method comprising seed selection, seed soaking with a seed soaking agent, microwave nutrient solution seed soaking, refrigerator temperature-varying seed storage, rare earth seed dressing, and finally modified sand germination accelerating. The germination accelerating method can promote cucumber seeds to fast and neatly germinate, improves the cucumber seedling raising survival rate, and is capable of killing pathogenic bacteria and preventing seeds from rotting, preventing diseases and pests, reducing harm of underground pests, and lowering the production cost.

The invention discloses a method for improving the propagating efficiency of catalpa bungei grafting rootstocks and belongs to the field of propagation of elite tree species. In the process of catalpa bungei grafting during rootstock cultivation with sowing and seedling raising, part of seedlings cut off from the upper part of a catalpa seedling for producing the rootstock carries out cutting propagation, and the seedlings can be used for grafting the rootstocks after one year; in other words, besides the first-time rootstock production with sowing and seedling raising, the rootstocks are obtained by raising seedlings by cutting of part of seedlings cut off from the upper part of a rootstock block, and the method is circularly applied to the grafted propagating of catalpa bungei. The cycle of raising seedlings by cutting achieving the condition of producing the grafted rootstocks is one year, and the regular two-year cycle of sowing and seedling raising is shortened by one year, so that the seedling raising efficiency is greatly improved, and the rate of survival of seedling raising is greatly increased. The cut off catalpa stems after producing the grafted catalpa rootstocks are fully utilized, so that the resource waste is avoided, and the seedling raising cost of rootstock production is reduced. Therefore,, the quick rootstock cultivation is realized, and the propagating efficiency of catalpa bungei grafting is greatly improved.

The invention relates to a large-leave fast-growing locust tree mother root cutting and seedling method. The method comprises the following steps of: (1) selecting a proper cutting and seedling period; (2) preparation work before cutting and seedling: weeding, ploughing and leveling soil, establishing a drainage system and applying enough base fertilizer; (3) mother root preparation: selecting annual large-leave fast-growing locust trees, digging the mother roots, avoiding the damage to root bark, and covering wet sand on the mother roots after digging to keep the humidity; (4) cutting: cutting the mother roots into root sections of different lengths according to the diameters of the mother roots, cutting the root sections into leveled soil, inserting the mother roots into the soil to make the top ends expose out of the soil surface, cutting according to certain plant space and row space, and treading the soil after finishing cutting; and (5) final-period management: keeping suitable humidity of the soil, weeding, and performing deinsectization. By the propagation method provided by the invention, the seedling survival rate, the root system utilization rate and the propagation coefficient of the mother roots can be improved, and the seedling time can be shortened.

The invention relates to the field of aquatic baits and discloses an intensive production method for Mongolian Moina. Characteristics of the Mongolian Moina at all stages are known based on the comprehensive study on aspects of the Mongolian Moina, such as reproduction, development, ingestion, growth and the like. The Mongolian Moina is cultivated to achieve the intensive production by using an indoor cement pool and an outdoor pool, and a scientific and feasible practical technology which can also can utilized fully in production is formed, so that the current situation that a biological bait market is in short supply in the area in seedling production currently is alleviated.

The invention discloses a damask rose twig cutting seedling-raising method which includes the steps: S1 performing laying and disinfecting of seedling beds; S2 performing preparation and disinfection of culture media and layout of plugs; S3 cutting semi-lignified twigs without diseases and insect pests on stock plants, performing water spraying and moisturizing on the cut semi-lignified twigs, cutting cuttings at shade places, and performing disinfection on the cut cuttings; S4 plunging deep holes in the culture media, treating the disinfected cuttings by the aid of rooting agents, performing cutting on the treated cuttings, lightly pushing sealing openings with fingers after cutting, and enabling the culture media and the cuttings to be closely connected; S5 performing reasonable atomizing and light supplement management after cutting. 2-3 bud joints are reserved on each cutting, the length of each cutting is about 8cm-10cm, 4 leaflets of the upper portion of each cutting are reserved, the position 5 millimeters away from the uppermost bud joint of each cutting is horizontally cut, the position 3-5 millimeters away from lowermost bud joint of each cutting is cut into a 45-degree inclined plane, and the cutting depth does not exceed 3cm. The method is rapid in rooting, high in transplanting survival rate, simple and easy to operate, and a seedling-raising period can be greatly shortened.

A method for reproducing Jerusalem artichoke culturing seedlings on vernalization bed until the seedling has 15-20 cm in height, cutting the seedling into segments, culturing seedlings with said segments in the culture medium prepared from humas soil, fertilizer, trace elements and macro elements, and transplanting by hole sowing with soil. Its advantage is high survival rate. Said Jerusalem artichoke can be used to prevent soil erosion.

The invention discloses a method to plant Medicago sativa in saline-alkaline soil and improve soil and fertilizer condition. The method comprises: applying an improving fertilizer, plowing, performingrotary tillage and leveling the land, sowing, managing the field, and harvesting, wherein the improving fertilizer is made from desulfurization gypsum, activated carbon, flyash, plant stalk granules,bentonite, zeolite, urea, ammonium phosphate, blast furnace slag particles and a microbial agent having a weight ratio of (30-40):(10-14):(6-10):(16-18):(8-12):(4-8):(3-5):(3-5):(4-6):(1-3). saline-alkaline soil is improved by taking the measures such as saline-alkaline soil improving fertilizer and planting Medicago sativa, the survival rate and yield of Medicago sativa are high, the improving of the whole saline-alkaline soil is excellently effective, and the improving process is green and free of pollution. Therefore, the method is an application technique worthy of wide popularization.

The invention relates to a method for cultivating a macrobrachium rosenbergii offspring seed by using an aquatic ozone culture system. In the method, a square corner-cutting offspring seed culture pond with a proper area is built and macrobrachium rosenbergii is stocked at a proper density and technologies of reasonable temperature regulation and control, oxygenation measures, feed management and cultivation water body control and the like are matched. The method has the beneficial effects that the fine and standardized management is carried out on a traditional technology of cultivating the macrobrachium rosenbergii offspring seed; and in addition, due to use of the aquatic ozone culture system, the offspring seed culturing survival rate is improved, the physique of the offspring seed is enhanced, the offspring seed culturing period is shortened and the offspring seed culturing yield and economic benefit are greatly improved.

The invention discloses a feed for promoting maturation of parent sea cucumber of stichopus japonicus, comprising the following raw materials in weight percentage: 60%-70% of see mud, 17%-23% of fresh algae extract, 3%-5% of yolk powder, 1.5%-2.5% of fish meal, 0.4%-0.8% of yeast, 0.15%-0.25% of shell powder, 0.25%-0.4% of sodium alga acid, 0.25%-0.4% of immune polysaccharide of Chinese herbal medicine and 0.1%-0.2% of complex vitamin. The feed has comprehensive nutrition and can meet the personal growth requirement of the stichopus japonicus through the mutual fit of the raw materials. Compared with stichopus japonicus fed with the traditional feed, the feed can shorten the maturation-promoting time of the parent sea cucumber, increase the personal brood amount, improve the quality of ova and raise the survival rate of stichopus japonicus seedlings.

The invention relates to a method for inducing the spawning of the parent Solen grandis and collecting fertilized eggs. The method comprises the following steps: the parent Solen grandis which has smooth surface of shells, no mechanical damage on feet and appearance, healthy body and high activity and also has the 8-11cm length of shells is collected to perform maturation and temporary cultivation in an induced spawning pond; when the meat condition of the parent Solen grandis is up to more than 85% and the genital gland is dissected to find that sperms / eggs can flow by gravity, the induced spawning can be performed, the liquid Isochrysis galbana extract is used to cover the entire bottom surface of the pond in the induced spawning process to stimulate the parent Solen grandis for 20-25min; when spawning is performed and the density of fertilized eggs in the induced spawning pond is up to 10-15 per milliliter, and the siphon principle is utilized to fast move the fertilized eggs to a culture pond to culture. The method of the invention has the advantages that the utilization rate of the parent Solen grandis is high, the induced spawning effect is good, the fertilized eggs are convenient and fast to collect, the fertilization rate is up to 72%, the breeding survival rate is high, etc. Only a small number of parent oysters can be used so as to obtain enough fertilized eggs for artificial breeding, thus the method has good application prospect.

A bittern worm tablet as the feed of young prawn is prepared from powdered material, bittern worm pulp, fish paste, fish oil, minerals, vitamines, cholesterol, lecithin, chitosan, polymycose and spirulina through superfine pulverizing, proportionally mixing, colloid grinding, homogenizing and tabletting. Its advantages are high effect, low cost and no pollution to water.

The present invention discloses one kind of fertilizer for continuous cropping. The fertilizer includes bacterial fertilizer and trace element fertilizer. The bacterial fertilizer includes nitrogen fixing bacteria, phosphorus bacteria and potassium bacteria; and the trace element fertilizer is prepared with B, Mo, Zn, Si and other trace elements. It is natural biological preparation capable of eliminating continuous cropping barriers and without toxic side effect. The fertilizer for continuous cropping can regulate pH value of soil, avoid salting of soil, reduce soil-transmitted diseases and pests, promote the propagation of beneficial microbes, promote crop growth and raise the yield of continuous crops.

The invention discloses a snakegourd fruit tissues culture method, which comprises steps: environmental disinfection, selection and processing of explants, preparation of culture mediums, inoculation of the explants, cultivation of culture rooms, greenhouse and greenhouse seedling cultivation and transplant. The snakegourd fruit tissues culture method greatly reduces growing-seedling period and growing-seedling survival rate by culturing nakegourd fruit tissues. The snakegourd fruit tissues culture method has the beneficial effects that the snakegourd fruit tissues culture method is simple and effective, is excellent in disinfection effect of the explants, and can achieve above 95% sterility rate after the explants are disinfected. The explants sprout and grow in aseptic conditions, overcome the influence of environment, improve survival rate of seedling emergence, and are transplanted to plant in seeding trays and grow in a greenhouse after small seeding grows to a certain length, thereby enabling quality of snakegourd fruits to be excellent and healthy, and greatly improving survival rate of field production of the snakegourd fruits,.

The invention discloses a seedling culture method for mangroves. The seedling culture method includes the steps: selecting a muddy inning intertidal zone with small wind waves, low salinity and fresh water supply as a seedling culture nursery, namely a seedling culture land; culturing seedlings in nutrition bags; culturing seedlings of seed mangrove plants on a seedling bed and then shifting the seedlings into the nutrition bags for culture; transferring the seedlings in the nutrition bags into pots; strengthening water and fertilizer management, pruning and pest control and prevention in the seedling culture process; and removing the seedlings from the nursery. The seedling culture method has the advantages that seasonal salt tide is avoided, pollution of seeds and seedlings caused by bacteria and the like is decreased, seedling culture survival rate is increased, the seedlings grow fast in the muddy inning intertidal zone or gateway as compared with a natural intertidal zone, and economic benefit is greatly improved as compared with seedling culture in the intertidal zone.

The invention relates to the field of Chinese herbal medicine cultivation technologies, in particular to an artificial cultivation method for dogwoods. The method is characterized in that through control over the steps of processing propagation seeds, culturing propagation substrates and managing grown seedling cultivation, efficient artificial cultivation for the dogwoods is achieved. The artificial cultivation method has the advantages that seed processing is adopted for the propagation method for the dogwoods, easy to operate and convenient to operate; the cultured substrates are natural and environmentally friendly, and are organic substrates and high in survival rate of grown seedlings; according to the field management, scientific management is performed according to the growth characteristics of the dogwoods, so that planting benefits are improved.

The invention provides a base based on a breeding method of red swamp crayfish. The base comprises a base body, base construction and a breeding technology; the base body comprises a field ridge, a water channel and a paddy field, the water channel is arranged on two sides of the field ridge, the paddy field is arranged in the water channel, the paddy field includes rice and aquatic plants, the water channel is about 31.5 m away from the field ridge, the width of an upper mouth of an annular groove is 4-6 m, the width of the lower mouth of the annular groove is 3-4 m, the depth of the annulargroove is 1.0-1.2 m, the width of the water channel is 0.5 m, the depth of the water channel is 0.6-0.8 m, the total area of the water channel is generally about 10% of the area of the paddy field, and the field ridge can be widened, heightened and strengthened to ensure that the height of the field ridge is as high as 1.2-1.5 m and the width is 2-3 m; the base construction includes site selectionof the paddy field and amelioration of the paddy field; and the breeding technology includes water quality cultivation, growth feeding, daily management, disease prevention and control and catching.The base based on the breeding method of the red swamp crayfish provided by the invention has reasonable design, and obtains an ideal effect of mutual benefits and double harvest of rice and the red swamp crayfish under the artificial management conditions; and the method of breeding the red swamp crayfish in the paddy field has the characteristics of lower costs and higher earnings.

The invention relates to a vegetable transplanting production line. According to the technical scheme, a hydroponic transplanting production line of leaf vegetable seedlings is characterized by comprising a plug tray conveying station and a seedling transplanting station, wherein the plug tray conveying station comprises two plug tray conveying tracks which are parallel mutually and transversely distributed and a plug tray conveying device which is positioned on the plug tray conveying tracks in a rolling manner for conveying plug trays; the seedling transplanting station comprises a pluralityof transplanting tracks which are arranged longitudinally and distributed at equal intervals transversely, a plurality of hydroponic pipe working tables which are arranged longitudinally between theadjacent transplanting tracks for placing hydroponic pipes, a seedling transplanting s device movably positioned on the transplanting tracks and an in-place track which is arranged between the plug tray conveying tracks and the transplanting tracks. The production line has three functions of seedling conveying, seedling extraction and seedling transplanting, reciprocating work in a leaf vegetableseedling taking area and a seedling planting area is realized, sustainable seedling transplanting work is guaranteed, and high mechanization of a hydroponic transplanting process of the leaf vegetableseedlings is realized.

The invention relates to a planting method of asparagus. The planting method includes the steps of land selection, soil preparation, seed selection, pretreatment, sowing, planting, daily management and harvesting. By means of the planting method of asparagus, a base fertilizer is applied to a planting land in the early stage of sowing, and thus the fertility of soil is improved; after seeds are pretreated, a nutrition disk in which a cultivation substrate is loaded is used for cultivating seedlings, the occurrence of pests and diseases can be reduced, the survival rate of the cultivated seedlings can be largely improved, and the seedlings are then planted in a greenhouse; in the growth process of asparagus, through reasonable fertilization, nutrient elements required by the growth stage ofthe asparagus can be met, the yield of seedlings per mu is improved, the soil hardening phenomenon can be relieved, and the air permeability and water permeability of soil are thus improved; since the applied fertilizer is a pollution-free fertilizer, the environmental pollution can be reduced, the growth of asparagus can be promoted, the yield and quality of asparagus can also be improved, and the method is very suitable for planting of large quantities of asparagus.

Disclosed is a dwarf bamboo carpet type landscape seedling culture method. The method is characterized by mainly including the following steps of (1) dwarf bamboo forest selection, (2) bamboo rhizome digging and treatment, (3) preparation of seedling substrate, (4) selection of a seedling container, (5) rhizome section treatment, (6) rhizome burying, (7) maintenance and (8) outplanting. The survival rate of seedlings is high, landscape formation speed is high, cultured carpet type bamboo seedlings are high in neatness and uniformity, landscape effect is good, the seedling container can be used repeatedly, seedling cost is lowered remarkably, utilization efficiency of a seedling culture place is increased remarkably, season limitation of bamboo landscaping is overcome, the landscaping method is simple, high survival rate is guaranteed, landscaping cost is lowered, and the method is applicable to large-area, fast and one-time landscaping of dwarf bamboo in various landscaping terrains and has broad application prospect.

The invention discloses an artificial micro-diet for naiads and larvae of Sipunculus nudus. At present, a research and development technology for an artificial feed for the naiads and larvae of the Sipunculus nudus is still blank, and a self-cultured biological bait which can be used for the intermediate rearing of the naiads and larvae of the Sipunculus nudus hardly meets the demand of mass seedling production due to unstable supply, so that the problems that the survival rate of artificial breeding is low, the yield of seedlings is low, the breeding scale is difficult to expand and the like are caused. In the invention, aiming at the digestive physiological characteristics of the Sipunculus nudus at nymphal and larval phases, the artificial micro-diet is prepared by selecting feed raw materials with high utilization rate. Nutrient components contained in the artificial micro-diet can meet the need of fast growth of the naiads and larvae of the Sipunculus nudus; the artificial micro-diet improves the survival rate of the seedlings of the naiads and larvae of the Sipunculus nudus and the digestibility of various nutrients by the naiads and larvae of the Sipunculus nudus; the artificial micro-diet has the advantages that: the excretion of nitrogen and phosphorus is reduced, the stability is high, the dissolution rate is low, and the artificial micro-diet slightly pollutes water bodies; and the problem that a biological bait is inadequate during the artificial breeding of the Sipunculus nudus is solved.

The invention provides a new euonymus hamiltonianus species grafting seedling culture method, and relates to a technical method of rapidly and efficiently propagating new seedling species. The new euonymus hamiltonianus species grafting seedling culture method mainly resolves the problems that new euonymus hamiltonianus species have few sowing and propagation resources, grow slowly and have high culturing cost; a cutting propagation coefficient is low, and the period is long; grafting propagation scions lose water easily and have the small combination area, out-of-season grafting and storage are difficult, and the rate of survival is low when direct upper top-grafting is conducted on the scions. The method comprises the steps that (1) stocks are selected and processed; (2) the scions are selected; (4) double tongue grafting is conducted; (5) the scions are wax-sealed; (6) storage in sand, moisture preserving and heeling in temporary planting are conducted. The method uses the scion wax-sealing technique, double tongue grafting technique, the storage in sand, moisture preserving and heeling in temporary planting technique and the like, has the advantages of being short in culture period, high in propagating coefficient, low in labor cost and the like, and can be used for grafting propagation of different species of euonymus hamiltonianus.

The invention provides a microbial agent. The microbial agent comprises a culture medium and thalli, wherein the thalli comprise Bacillus subtilis, Baclicus lincheniformis, Bacillus amyloliquefaciens and Bacillus safensis. The microbial agent provided by the invention can obtain a good plant seedling index and further improve yield and quality of vegetables, thereby having broad application prospects in the field of vegetable seedling raising. In addition, by using the microbial agent provided by the invention, a plant rhizosphere microbial environment can be improved, and beneficial bacteria are increased, thereby inhibiting the growth of harmful bacteria and further improving the disease resistance of plants.