277results about How to "Increase commodity rate" patented technology

The invention provides a composite amino acid ecological nutritious agent, which comprises sea weed fermentation liquor, fermentation liquor of animal leftover bits and pieces, trace elements, and biological bacterium. The functions of the agent include stimulating growth, suppressing pathogenic agent and reinforcing immunization.

The invention discloses an efficient green micro-crystallized mineral-biological compound fertilizer and a production method thereof. The compound fertilizer comprises the following components in parts by mass: 7-9 parts of N, 7-9 parts of P2O5, 7-9 parts of K2O, 25-30 parts of organic matters, 8-12 parts of humic acid, 3-6 parts of amino acid and 15-20 parts of chemical elements such as calcium,silicon, magnesium, selenium, molybdenum, boron and zinc, as well as not less than 0.02 billion / kg of available active bacteria. The efficient green micro-crystallized mineral-biological compound fertilizer has the beneficial effects of being capable of adapting to acidic-alkaline soil and neutral soil in various regions, improving the soil, enhancing the adsorption ability of the soil on nutrients, preventing nitrogen and potassium from being washed away by water due to a large amount of rainfall, reducing formation of insoluble phosphate and improving fertility of the soil; and in addition,nitrogen, phosphorus and potassium in the original soil can be activated to be absorbed by crops by virtue of microelements contained in the fertilizer, and the supply capability of the deep soil nutrients can be enhanced, thus the physiochemical indexes and biological environment of the soil can be improved in case of long-term application, hardened soil can be reduced, and the quality of crops can be obviously improved.

The invention relates to a thidiazuron which is taken as an active matter for the preparation method and application of the product of the quality improvement and production increase of the plant; the content of the thidiazuron in weight percentage is from 0.01 percent to 20 percent, or which in weight volume percentage is from 0.01percent to 15 percent, the others are carriers. The utility model can be made up into liquid preparation and solid preparation. The liquid preparation in weight volume percentage is from 0.01 percent to 15 percent; the thidiazuron content of solid preparation in weight percentage is from 0.01 percent to 20 percent. The thidiazuron which is taken as the active matter for the product of quality improvement and production increase of the plant can be applicable for the plant, the seed of the plant or the medium for the growth of the plant. The invention can be used for the fruit trees such as grape and apple tree; the vegetables such as pumpkin and cucumber; the cash crops such as tobacco and cotton; the oil plants such as rapeseed and peanut; the grazing such as clover blossom; the grain crops such as wheat and corn; and the grafts for various fruit trees. The invention has the advantages that: 1. the invention has the functions of quality improvement and production increase, and can enhance the using effect of the active matter; 2. the invention can used in the mix between the medicaments in different action mechanism, which ensures the using effect of the product; 3. the invention improves the safety, and prevents adverse effects to the crops. Thereby the invention can bring more direct beneficial effects for the vegetable(fruit) farmers.

The invention discloses a compound feed for enhancing color of rainbow trout. The compound feed is prepared from the following raw materials in parts by weight: 0.1-0.3 part of microelements, 0.03-0.06 part of vitamins, 1-2 parts of minerals, 15-25 parts of imported fish powder, 5-10 parts of shrimp shell powder, 2-5 parts of sleeve-fish ointment, 20-40 parts of bean pulp, 10-20 parts of mixed meal, 5-8 parts of corn protein powder, 2-3 parts of alfalfa powder, 0.04-0.08 part of cholate substances, 1-2 parts of spirulina powder, 4-6 parts of kelp powder, 4-6 parts of grease, 0.02-0.04 part of astaxanthin, 0.2-0.4 part of 0.2% lutein and 15-25 parts of flour. The raw materials such as the imported fish powder and the good-quality bean pulp are selected for meeting nutritional indexes of the rainbow trout, and the carotenoid-rich raw materials such as the spirulina powder, the astaxanthin, the lutein and the corn protein powder are emphatically added for enhancing the color of the rainbow trout according to physiological characteristics of the rainbow trout; the compound feed is convenient to use and free from toxic effects, and contains 40%-45% of crude proteins and 12%-16% of crude fat.

The invention relates to fodder and a use method, in particular to concentrated calf fodder and a use method thereof. The fodder comprises protein fodder and a premix compound, wherein the protein fodder is prepared from raw materials of bean cakes, corn protein powder, cotton dregs, complex enzymes, and the like; and the premix compound is prepared from common salt, fluorspar powder, magnesium sulfate, sodium diacetate, calcium hydrogen phosphate, soda, sodium humate, monensin, vitamins and trace elements of copper, iron, manganese, zinc, cobalt, and the like. The use method comprises the following steps: manually feeding calves at age of 3-5 days with a mixture of the concentrated calf fodder and a certain amount of milk; and stopping feeding the milk when the calves are at age of 60 days; and coming into a fatting period when the calves are at age of 120 days. The calf fodder has complete nutrients, reasonable proportion and low cost and is fed to the calves in a suckling period to substitute a great amount of milk, improve the commodity rate of the milk, facilitate the growth and the development of the calves, shorten the suckling period by 50 percent, increase the weight-gaining speed by about two times, shorten the deliver time by one half, increase the current fertility rate of milk cows by about two times, realize perennial milking, facilitate mechanical milking and scaled stabling management and remarkably improve the economic benefits, the social benefits and ecological benefits of cattle rearing in a plurality of aspects.

The invention discloses a planting method for improving the production environment of potatoes, which comprises the following steps: regularly placing treated potato seeds on the surface of soil which is not ploughed or fallowed or slightly leveled, with the eyes of the seeds close to the soil downwards or sideways; applying high-quality thoroughly-decomposed farmyard manure or compound fertilizer beside the potato seeds, wherein the farmyard manure or fertilizer can not be in contact with the potato seeds; then covering 3-4 grass or thin soil layers on the surfaces of the potato seeds at intervals, or additionally covering one mulching film layer before covering the top layer; and then carrying out field management, and harvesting at the right time. By using the planting method, the production environment of potatoes can be improved, the yield and commodity rate can be increased, labor and time are saved, and the ecological environment is protected, thereby being beneficial to improving the soil structure and enhancing the soil productivity.

The invention relates to the field of aquatic feed, in particular to special formula feed for improving tilapia mossambica meat quality and a preparation method thereof. Ingredients in a feed formula comprise, by weight, 40-70 parts of broad bean, 2-5 parts of fish meal, 7-12 parts of bran, 9-19 parts of rapeseed dregs, 8-19 parts of peanut meal, 1-2 parts of fish oil, 0.3-0.5 part of glycine betaine, 0.4-0.6 part of choline chloride, 0.6-0.8 part of monocalcium phosphate, 0.10-0.13 part of methionine, 0.06-0.1 part of enzyme preparation, 0.02-0.03 part of allicin, 0.4-0.6 part of multivitamins and 1.0-1.2 parts of complex mineral. The preparation method of the feed is further provided. The feed can improve the tilapia mossambica meat quality to be firm, hard, crisp and tasty, improves growth performance of tilapia mossambica, reduces pollution on water quality and production cost and remarkably improves economical and social benefit.

A method for regulating and controlling the blooming period of paphiopedilum relates to a method for cultivating and managing paphiopedilum. The method comprises the following steps of changing water and fertilizer condition during cultivation process, promoting maturity of paphiopedilum plants, and applying phosphorus fertilizer or high-potash fertilizer; applying plant growth substance so as to improve resistivity and increase substance accumulation and promote maturity, dormancy, flower bud differentiation, germination and growth respectively; the ratio of N, P and K of the fertilizer is (8 to 12):(25 to 35):(15 to 25), the watering is performed at intervals of 10 days, and the water is manly used for sprinkling leaves. The method has the benefits that after six mouths, the blooming rate exceeds 66%, the problems that the paphiopedilum blooms irregularly, the blooming period is non-uniform, and the blooming rate is low are solved, one of the main problems that restrict the large-scale production of paphiopedilum is overcome, and the large-scale production of ornamental paphiopedilum in the country is promoted effectively. The economic benefit is highlighted, the consistency of blooming periods of batched plants is improved, the requirement of sale busy seasons can be met, the commodity rate of paphiopedilum is improved, and the economic benefit on production of paphiopedilum is improved therewith.

The invention discloses a method for preparing mineral organic fertilizer by using surplus sludge in municipal sewage plants. The method mainly comprises the following three steps: firstly reducing sludge in a sludge thickening tank, dehydrating the reduced sludge by adopting a catalytic ozonation method, carrying out subcritical water reaction on the dehydrated sludge, and discharging solids subjected to harmless treatment; finally mixing modified attapulgite clay with the sludge subjected to harmless treatment, chicken manure and microorganism beneficial microbial agents, and fermenting the mixture to obtain the mineral ecological organic fertilizer. The method is green and environment-friendly and realizes the harmless and resourceful treatment of the sludge; the obtained mineral organic fertilizer is capable of obviously improving the structure of soil, enabling the volume-weight of soil to be reduced, the holes of soil to be increased and the ventilation and water permeability of the soil to become good and adjusting the uniform growth of crops and has a good controlled release effect, thus the quality of the crops is improved.

The invention discloses an anti-season potato mechanization planting matched cultivation technique, comprising the steps of 1) selecting land, comprising the steps of carrying out soil preparation and selecting subacid loamy soil or sandy loam soil land masses with pH of 5.3-7, higher terrain, loose and fertile soil property, deep soil layer and drainage and irrigation functions; 2) preparing potato seed blocks with the weight of 45-70g for seeding, wherein each potato seed block contains 2-3 bud eyes, and a slicer is required to be disinfected when cutting the potato seed blocks; 3) seeding, wherein depth from the upper part of a tuber to the upper part of a ridge platform is 8-10cm, row spacing is 90cm, and planting distance is 18cm; 4) intertilling and earthing for 5cm when seedling emergence rate reaches up to 60%; 5) carrying out fertilizer management; 6) carrying out water management when a potato root system reaches up to 60cm, wherein soil depth is determined to be 45cm to know water supply capacity of the soil depth; 7) maintaining available water in the field to be 70-80% in a tuber forming and expanding stage; 8) preventing and controlling diseases and pests; and 9) harvesting. The anti-season potato mechanization planting matched cultivation technique disclosed by the invention has the characteristic of improving yield and quality and is applicable to widespread use.

The present invention relates to a new bailing mushroom variety, its inoculum production and cultivation method. Said variety is a new one-zhongnong No. 1 (CAAS-1) obtained by utilizing multisporous hybridization. Said invention also provides the characteristics of said variety and the concrete steps of its inoculum production and cultivation method.

The invention discloses an ultrasound quick-breeding system, and relates to a breeding device, in particular to an ultrasound biological breeding device. An air-tight door (2) is arranged on the front lateral surface of a breeding tank body (1), a stereo breeding tank rack (3) is arranged in the breeding tank body (1), a humidifier (5) is arranged on the front lateral surface of the breeding tank body (1), a thermal baffle (7) is arranged on the top surface of the breeding tank rack (3), a water osmosis treatment device (8) is arranged at one side of the breeding tank body (1), and an ultrasound generator (9) is arranged at one side of the top end of the breeding tank body (1). Seedlings bred by the system have shorter period, well-developed root and quick growing development. The ultrasound quick-breeding system has good effect and better growth vigour on the varieties which are quick to breed and difficult to root and the varieties which do not resist water and moisture, and is easy to implement intensification and factory production and breed the seedlings with high commodity rate.

The invention relates to the technical field of heat drying, and particularly relates to an energy-saving fruit drying room and a drying method thereof. Farmers adopt a natural airing method to dry fruits, but fruits have oil heads, dry strips, mildew and other phenomena, the fruits are attached by soils, are cracked and rotted worse if the fruits encounter severe weather, such as cloud and dust or cloud and raining, in harvest period. According to the invention, the fruits are dried with electricity or steam, thus the cost is high, the treatment capacity is small, and the efficiency is low. The energy-saving fruit drying room comprises a drying room, a heat supply device and a support, wherein the heat supply device and the support are arranged in the drying room. In the energy-saving fruit drying room, a heating fiery pit is arranged in the drying room, no energy is wasted, and the drying room is safe to use and cannot smoke drying objects; a fan is arranged above the fiery pit, andused for blowing hot air to the whole drying room, so that the dried objects are heated uniformly; a wood-grass-soil material in a damp absorption structure is arranged on a roof to naturally adjust the humidity, so that the quality is ensured, the drying efficiency is high, and the phenomena of oil head, dry strips or mildew in the natural airing process are avoided, the color of the fruits is good, and the processing is not restricted by weather.

The invention relates to a planting and cultivating method for kiwi fruits. The planting and cultivating method is characterized by including the following steps: a, selecting sandy soil, b, adopting seeds for seedling growth, wherein strong seedlings with developed root systems are selected, c, planting the cultivated seedlings in late winter and early spring, d, grafting seedlings growing for 1 year, and e, picking buds and putting branches on shelves timely after grafted buds survive. According to the planting and cultivating method for the kiwi fruits, the kiwi fruits can be planted better, varieties in gardens are pure, male and female proportional control is accurate, and quality of matured fruits is better than that of existing kiwi fruits.

The invention relates to an agricultural shed plastic film, and particularly relates to a three-layer fragrant-flowered garlic. The shed plastic film provided by the invention is of a three-layer composite structure, wherein the outer layer is an anti-aging layer; the inner layer is a dripping fog disposal layer with the functions of dripping, and the middle layer is a light conversion layer formed by mixing resin, nano organic red additives and other functional additives. The agricultural shed plastic film provided by the invention has the advantages of good light quality regulating effect of the light conversion layer, small color attenuation velocity of the light conversion layer, great service life prolongation of the shed plastic film, obvious temperature preservation effect, crop pest disease and pest damage insulation and the like.

The invention relates to an edible plant source fresh-cut fruit and vegetable coating film preservative. The edible plant source fresh-cut fruit and vegetable coating film preservative is prepared from the following components in percentage by weight: 3 to 10 percent of fresh ginger extracting liquid, 0.2 to 0.5 percent of low-molecular chitosan, 2 to 5 percent of citric acid, 0.03 to 0.1 percent of tea polyphenol, 0.01 to 0.1 percent of resveratrol, and the balance of deionized water, wherein the sum of the components in percentage by weight is 100%. The edible plant source fresh-cut fruit and vegetable coating film preservative has the advantages that by adding the antioxidants of the tea polyphenol, the resveratrol, the citric acid and the like into a chitosan coating film, the browning speed of fresh-cut fruits and vegetables is effectively decreased, the storage time of the fruits and the vegetables is effectively prolonged, and the activities of various antioxidant active matters and antioxidant enzymes in the fruits and the vegetables are improved; the added biological antioxidants have no poison and harm, and can be eaten, the injury to a human body is avoided, and the preserving effect is better.

The invention relates to a fruit tree pest and disease prevention method comprising the steps of painting the trunks white, scraping barks in winters, burying pesticide at roots, and spraying pesticide. With the fruit tree pest and disease prevention method provided by the invention, fruit farmer cost can be saved. The method has the advantages of convenient operation, reasonable method, and good effect. With the method, manpower and material resources can be saved, and fruit commodity rate can be improved. The method provides an application reference for professional planting personnel or ordinary staffs. With the method, fruit tree pests and diseases can be further controlled.

The invention relates to a lilium oriental hybrids cutflower second-generation seedball rejuvenation utilizing method which mainly comprises the following steps of: cultivating seedballs after cutflowers are picked, harvesting the seedballs, sorting out, cleaning and sterilizing; gradually cooling the sterilized seedballs to 2-4 DEG C in a refrigeration house within 5-10 days, wherein the air humidity is 50-75 percent, and the concentration of CO2 is lower than 1,000ppm; carrying out cold treatment for 5-8 weeks to break dormancy, and then directly seeding or further cooling to -1.5 DEG C for freezing and preserving for 65-100 days; and then planting. The invention has the advantages that low-temperature treatment conforms to the physiological rules of the lilium oriental hybrids and can break the dormancy, shorten the childbearing period, promote the flower bud differentiation and ensure that plants have nutrition and vigorous growth, the leaf surface areas are increased, flowers are large, the cutflower weight is increased, and the cutflower quality and the commodity rate are improved; the refrigeration of the seedballs is safe, and the blooming time of the lilium oriental hybrids can be manually regulated and controlled so as to meet the requirement for supplying to the market at the annual time of the flowers; and the production cost is greatly reduced, and the cutflower planting economic benefit is improved.

A bone meal amino acid organic fertilizer relates to an agricultural fertilizer with animal bone meal and protein as raw materials, prepared after high-temperature sterilization and addition of ingredients. The total nutrients of nitrogen, phosphorus and potassium (N+P2O5+K2O) is more than or equal to 8 percent; the content of organic substances are more than or equal to 30 percent, and amino acid of 2 to 15 percent. The high-temperature sterilization technology is used for processing of innocuity; the fertilizer efficiency transformation is rapid; the product has no pollution or toxicity, and suits requirements of environmental protection; thus the product is a preferential fertilizer for development of green agriculture. The product can improve physical and chemical indicators of soil and the biological environment, reduce soil compaction, and can be used for a plurality of agricultural crops such as vegetables, melons, cotton, grain, rapeseed, flowers and so on; after the product is used, the commodity rate of agricultural products is increased; the agricultural products have good color, good taste, and significantly increased nutrients; the product can significantly improve the quality of crops.

The invention belongs to the technical field of disease and insect pest prevention and control for fruit trees, and particularly relates to a fruit tree insect prevention technology by the aid of covers. The fruit tree insect prevention technology is characterized in that according to research findings on fruit setting characteristics of different varieties of fruit trees and activity rules of injurious insects on the fruit trees, when single fruit trees or in-line fruit trees or vast fruit trees which have different fruit setting characteristics and the injurious insects with different activity rules are specifically protected by the covers in proper periods, fruits can be isolated from the injurious insects and are effectively prevented from being harmed by the injurious insects, the photosynthesis of the fruit trees is hardly affected by selected cover materials, obvious influence of the selected cover materials on the temperature and the humidity required by each fruit tree is prevented, and a physical protection layer can be provided for each single fruit tree, the in-line fruit trees or the vast fruit trees; simple supports of the covers comprise upright columns (timber piles or steel tubes) and drawn steel wires, and the covers can be shifted as needed, can be operated easily and conveniently and are economical and durable. The fruit tree insect prevention technology has the advantages that dependence on pesticides for pest control and corresponding pesticide and labor cost input can be greatly reduced for fruit growers, the commodity rate of the fruits is increased, and the safety of the fruits is improved.

The invention discloses a biological control method for enhancing the postharvest storability of strawberries. The biological control method comprises the following steps of: respectively preparing 105-108 CFU / mL hanseniaspora uvarum suspension and 105-108 CFU / mL pichia guilliermondii suspension; compounding 105-108 CFU / mL compound antagonistic yeast suspension according to isoconcentration and iso-volume; respectively carrying out spraying treatment on strawberry fruits 1-7 days before the strawberry fruits are picked by using the compound antagonistic yeast suspension; and storing after picking under the conditions of 2 DEG C and 90%-95% of RH (Relative Humidity), or selling at normal temperature. The biological control method disclosed by the invention achieves no toxic or side effect on human bodies, prolongs the storage period and shelf life of the strawberries, carries out the field spraying treatment on the strawberries by utilizing compound antagonistic yeast and can keep the better quality of the strawberries in the storage period, outstandingly enhance the commodity rate of the strawberries and the activity of a relative disease-resistant defense enzyme and reduce the rotting rate.

The invention discloses a sanhua plum fruit storing and fresh keeping method, in which the sanhua plum fruit is stored under low temperature or normal temperature condition after being soaked with 0.05 mu g / L to 0.8 mu g / L 1-methylcyclopropene water solution in a sealed container. The invention determines the optimum use concentration of the 1-methylcyclopropene and the storage temperature of the sanhua plum fruit via selecting different concentration and storage temperatures of the 1-methylcyclopropene, obviously delays the senescence in the storage process after the sanhua plum fruit is picked and obviously improves the quality of the stored fruit, the fruit keeps higher hardness and the quantity of soluble solid state material and titratable acid, the speed of turning to red from green of the fruit is slowed down, the storage life of the sanhua plum fruit at room temperature and low temperature is prolonged (the storage period is prolonged), the quality and the commodity rate of the sanhua plum fruit are improved, the operation is simple, and method is popularized and applied easily.

The invention discloses a pink light conversion multi-functional heliogreenhouse film, which is prepared from the following raw materials in percentage by weight: for the outer layer, 30-50% of LLDPE, 20-40% of LDPE, 20-30% of mLLDPE and 8-10% of multi-functional master batch; for the middle layer, 10-20% of LLDPE, 20-30% of LDPE, 30-40% of EVA, 13-15% of multi-functional master batch and 4-8% of pink fluorescence conversion master batch; for the inner layer, 25-35% of LDPE, 50-60% of EVA and 10-20% of multi-functional master batch, wherein the multi-functional master batch is prepared from the following raw materials in percentage by weight: 10-20% of LLDPE powder materials, 50-65% of EVA, 3-5% of hindered amine light stabilizer, 1.5-2.5% of anti-oxidant, 1.5-2.5% of ultraviolet absorbent, 10-15% of dripping agent, 3-4% of anti-fogging agent, 2-3% of thermal insulating agent and 1.5-2.5% of organic fluorescence conversion agent, the pink fluorescence conversion master batch is prepared from the following raw materials in percentage by weight: 10-20% of LLDPE power materials, 25-40% of EVA, 10-20% of LDPE, 1.5-2.5% of anti-oxidant, 3-5% of dispersant, 3-5% of lubricant and 30-40% of organic fluorescence conversion agent.

The invention discloses a production method of a high-activity medium element fertilizer. In the production method, activity of each element in a silicon calcium magnesium potassium fertilizer is activated by using a technology of quenching after mixed particles of dolomite and potassium feldspar are calcined at a high temperature; content of silicon calcium magnesium potassium and microelements in the fertilizer is increased by adding Lingshi compact grey gypsum full of regional character and humic acid; a total content of the elements of silicon calcium magnesium and potassium exceeds 60%; and the fertilizer which has the highest content of silicon calcium magnesium and potassium and the most comprehensive nutrition on the market is prepared. The f high-activity medium element fertilizer produced by the production method is a nutrition fertilizer, an adjustment fertilizer and a health-care fertilizer. Excerpt for providing the own nutrition elements of the fertilizer to plants, the fertilizer has the effects of improving soil structure, improving crop quality, promoting root-taking, promoting photosynthesis, and enhancing capacities of drought resistance, dry-hot wind resistance, cold resistance, low temperature resistance and disease and pest resistance of the crops.

The invention discloses a method for anti-browning and color protecting preservation of litchi. The method comprises the following steps: picking the litchi fruits which are 80 to 90 percent mature and have no mechanical damages and insect diseases on sunny days; soaking the litchi fruits in a litchi preservation solution for 0.5 to 10 minutes; taking out the litchi fruits from the solution; and packing the litchi fruits with fresh-keeping bags for storage after the litchi preservation solution on the surface of the litchi fruits is dried. The litchi preservation solution is an apple polyphenol aqueous solution with a mass fraction of 0.05 to 5%. With the treatment of the method provided by the invention, the commodity rate of the litchi may be improved by 15 to 45%.

The invention relates to a black weeding mulching film special for potatoes. The black weeding mulching film special for the potatoes is made of linear low density polyethylene, low density polyethylene, metallocene polyethylene, high density polyethylene and mulching film master batch raw materials. The mulching film master batch is made of the linear low density polyethylene, low density polyethylene, metallocene polyethylene, high density polyethylene, black master batch, dispersing agent stearic acid, dispersing agent polyethylene wax, ultraviolet radiation absorbefacient, antioxygen, herbicides, aggregate type hindered amine light stabilizer and heat preservation agent hydrotalcite raw materials. A preparation method of the black special weeding mulching film for the potatoes includes the following steps that (1) the mulching film master batch raw materials with different weight parts are sent to an automatic blender mixer, stirred evenly in a mixed mode and inspected for use; (2) the mulching film master batch raw materials with different weight parts are sent to the automatic blender mixer, stirred evenly in a mixed mode, and are subjected to automatic plasticizing extrusion in a plasticizing extrusion machine, blowing traction, slitting and rolling, inspection and warehousing. By means of the black weeding mulching film special for the potatoes, nutrient loss of the potatoes can be reduced, the utilization rate of fertilizers is improved, the service life of the black weeding mulching film special for the potatoes can reach 12 months, and the black weeding mulching film special for the potatoes can be effectively recycled after being used.

The invention relates to a loach ecological cycle running water culture system. The system comprises a rectangular loach culture pond, a drainage ditch, tubificidae culture ditches, wetland purification trenches and a clean water convergence trench, drainage pipes are arranged on the pool wall of the rectangular loach culture pond, the drainage ditch and the tubificidae culture ditches are arranged at the outer side of one end of the rectangular loach culture pond, and the clean water convergence trench is arranged at the other end of the rectangular loach culture pond. The wetland purification trenches are arranged at one side of the rectangular loach culture pond, and a water body flows through the bottom layers of loach culture pools, the drainage ditch, the tubificidae culture ditches, the wetland purification trenches, the clean water convergence trench and the loach culture pools in sequence. According to the loach ecological cycle running water culture system, by the adoption of the soilless running water culture mode, bottom mud is replaced with submerged plants, the loach inhabiting and ingestion environment is optimized, waste water for culturing loaches is utilized for culturing tubificidaes, living bait is provided for the loaches, a wetland system is utilized for purifying water, the efficient cyclic utilization of the water body is achieved, the loach quality is improved, and the loach output is increased.

The invention discloses a method for promoting fruit setting of jujube trees in arid regions and a special preparation of the method. According to the method for promoting the fruit setting of the jujube trees in the arid regions and the special preparation of the method, 5-aminolevulinic acid, bromine, thidiazuron, boric acid, FeSO4CuSO4, zinc sulfate, manganese sulfate and sodium sulfate are prepared to form a solution with the concentration of 0.2% to 0.4%; and the solution is sprayed on the jujube trees in 15 to 25 days after the jujube trees start to blossom. Compared with a traditional method, the method for promoting the fruit setting of the jujube trees in the arid regions and the special preparation of the method have an obvious promoting effect on the fruit setting, the fruit setting rate is generally improved by 35%, the fruit protection rate is particularly and remarkably improved, and the commodity rate of jujube fruits can be improved remarkably; and meanwhile, the mixed preparation is composed of biological agents and inorganic substances, is harmless to human body and high in safety, has the advantages of being convenient to use and stable in effect, and has quite broad application prospects.

The invention discloses a preparation method of light media for dendrobium officinale. The preparation method is characterized in that the light media are prepared from bark and wood chips in the ratio being 3:1 through mixing and stirring. The light media are pure natural soilless materials having rich plant fiber, humus, light mineral substances and the like, have functions of loosening, ventilation, water and fertilizer retention, high buffer capability, capability of improving stress resistance of the dendrobium officinale and can create good conditions for growth and development of the dendrobium officinale.