32results about How to "Reduce water transpiration" patented technology

The invention discloses an antitranspirant foliar fertilizer and a preparation method thereof. The antitranspirant foliar fertilizer comprises the raw materials of copper sulfate, ethylene diamine tetraacetic acid, monopotassium phosphate, zinc sulfate, ferrous sulphate, manganese sulphate, ammonium molybdate, composite rare earth, boric acid, sodium dodecyl sulphonate, urea, fulvic acid, hexanoic acid 2-(diethylamino) ethyl ester, compound amino acid, magnesium sulfate, calcium nitrate, ethylene diamine tetraacetic acid, microbial agent, azone and ammonia water. The antitranspirant foliar fertilizer provides nutrient elements and microbial agents which are required by the growth of plants, the rare earth and amino acid and other beneficial elements, can promote the growth of the plants, improve the yield, the quality, the stress resistance of the plants and the absorbing and operating capabilities on trace elements, simultaneously can effectively reduce the transpiration of the plants and is applied to afforesting in arid regions.

The invention discloses an edible compound coating antistaling agent for drupes. The edible compound coating antistaling agent belongs to the field of fresh preservation and treatment of fruits and vegetables and is characterized in that chitosan and other auxiliaries are dissolved in a water solution prepared in an acetic acid solution with low concentration. According to the invention, glycerylmonostearate and Tween 80 are added in chitosan coating, thus the connecting strength of antibacterial components is enhanced and, the toughness and air permeability of the coating are improved; and meanwhile, other components in the fresh preservation agent, such as sodium ascorbate, sodium chloride, and the like, have greater bacterial resistance and fresh preservation effects. The edible compound agent, after being applied to coating the drupes, can form a layer of shiny transparent film on the surface of each drupe and achieves the functions of preserving water, reducing bacterial contamination, preventing the growth of microorganisms, resisting oxidation and inhibiting the fruit respiration. The edible compound agent can be widely applied in the storage and fresh preservation of the drupes and achieves greater fresh preservation effects than other methods. The edible compound agent is convenient to prepare and use, requires small equipment investment, occupies a small operation area, and is suitable for industrial batch production.

The invention relates to a mud stirring device for planting loquats, in particular to a quick mud stirring device for planting loquats. Mud can be uniformly stirred by the quick mud stirring device for planting the loquats, and the quick mud stirring device is novel in structure and high in stirring speed. The quick mud stirring device for planting the loquats comprises a left frame, a bottom plate, a right frame, a first slide rail, a stirring frame, first sliders, a push rod, a second slide rail, second sliders, a second rack, a large belt pulley, a tooth-missing gear and the like. The left frame, the first slide rail and the right frame are sequentially arranged on the top of the bottom plate from the left to the right, the first sliders are slidably connected onto the first slide rail, and the stirring frame is arranged on the tops of the first sliders. The quick mud stirring device has the advantages that the mud can be uniformly stirred by the quick mud stirring device, and the quick mud stirring device is novel in structure and high in stirring speed; the mud can cover saplings of the loquats, the root systems of the saplings can be protected, transpiration of water can be reduced, and accordingly the survival rate of the loquats can be increased.

The invention belongs to the technical field of tree planting, and particularly relates to a method for keeping alive bare-root transplanted zelkova serrata. The method sequentially includes four steps of A), digging trees; B), pruning; C), spraying protective agent; D), loading and transporting and transplanting and the like. When necessary, the method further includes step of E), maintaining and managing after transplanting. By the method, a conventional working mode of transplantation of the zelkova serrata with soil balls is broken up, soil loss in a nursery garden is avoided, and conservation of water and soil is benefited; working efficiency is improved by implementing processes of digging, transporting and transplanting and the like in a mechanized way; convenience is brought to loading, loading capacity of each vehicle is increased by more than a third, so that transportation cost is reduced; by a series of scientific and practical processes, survival rate of the bare-root transplanted zelkova serrata is ensured to be similar to the transplantation of the zelkova serrata with the soil balls; therefore, the method for keeping alive the bare-root transplanted zelkova serrata has good application prospect in the technical field of the tree planting.

The invention discloses a bare-toot planting method for a large chestnut tree. The method comprises the following steps of 1, selecting a planting period; 2, pretreating a tree body of the large tree; 3, lifting seedling; 4, transporting; 5, planting, and carrying out water retention; and 6, carrying out maintenance and green-recovering. The method has the advantages that 1, the early spring with minimum transpiration amount of the tree body is adopted as the planting period, and five comprehensive water retention measures of (1) adopting a branch reshaping method of cutting 1 / 2 to 2 / 3 main branches of the planted large tree; (2) smearing cuts of the cross section; (3) adopting a root comprehensive moisturizing method after the seedling lifting of the large tree; (4) dewatering for two times after planting; and (5) covering mulching films, so the moisture transpiration amount of the tree body is reduced, and the survival rate of the planted large tree is improved; 2, the bare-root planting method is adopted, a root system only remains little heart protecting soil, and the integral weight and volume of the large tree are only about 1 / 4 of the weight and volume of a plant with soil, so the manual operation is convenient in the seedling lifting, transportation and planting processes, the labor workload is greatly reduced, the machinery assisting operation rate is reduced, and the planting cost is obviously reduced.

The invention relates to a rescue method after ball spallation in big tree transplanting. The method adopts the treatment steps as follows: (1) pouring gaps of a soil ball by adopting mud mixed with a rooting agent after transplanting so as to form a whole; (2) swathing boughs of a tree trunk and below and trunk parts by adopting a plastic film until the bottom of the trunk; and (3) conducting transfusion treatment to the trunk. Leaves and / or branches with leaves of the tree can be further pruned towards special trees before transplanting, and anti-transpirant spraying and / or overshadowing tothe whole tree can be conducted after being transplanted. With the method, a root system can be better contacted with soil and water, new roots of the root system can be quickened, water and nutrientcan be timely supplemented, cells of the tree and enzyme activity can be stimulated, water transpirating of the tree can be slow down, the absorption strength of the tree body can be reduced, nutrition consumption can be decreased, the up and down balance of the tree can be increasingly achieved again, and the survival rate of the whole canopy transplanted tree can be improved.

The invention relates to a long-effective sustained-released mixed fertilizer and a preparation method thereof. The mixed fertilizer comprises the following raw materials in part by weight: 4 to 8 parts of cyanoguanidine, 1 to 3 parts of hydroquinone, 15 to 20 parts of urea formaldehyde fertilizer, 10 to 25 parts of ammonium polyphosphate, 20 to 25 parts of potassium polyphosphate, 20 to 25 parts of perlite powder and 15 to 20 parts of fulvic acid. The fertilizer is particularly suitable for crops with long growth cycles and can meet the requirement of the whole growing period of the crops by one-time application, which relieves the burden of farmers. Even if the fertilizer is excessively applied, the crops are difficult to wither, grow excessively and lodge; hardened soil can be improved and adjusted so as to accelerate the formation of a soil crumb structure, improve the physical property of soil and accelerate the growth of the crops; particularly, the fertilizer can properly control the pore opening degrees of leaf surfaces of the crops and reduce the transpiration of water, which is important for drought resistance; moreover, the long-effective sustained-released mixed fertilizer can improve the stress resistance of the crops, increase production volume and improve the quality of the crops.

The invention relates to a disease-resistant wood vinegar water-soluble fertilizer as well as a preparation method and application thereof. The disease-resistant wood vinegar water-soluble fertilizercontains the following raw materials in parts by weight: 50-80 parts of wood vinegar, 30-40 parts of mashed garlic, 45-55 parts of crofton weed, 50-60 parts of peanut shell, 5-10 parts of potassium fulvate, 5-20 parts of potassium dihydrogen phosphate, 5-20 parts of ammonium dihydrogen phosphate, 1-10 parts of magnesium sulfate, 1-10 parts of ferrous sulfate, 1-5 parts of boric acid, 1-2 parts ofammonium molybdate, 1-3 parts of manganese sulfate, 1-3 parts of zinc sulfate, 0.5-1 part of copper sulfate, 5-15 parts of citric acid, 500-800 parts of water and 0.3 part of a surfactant. The water-soluble fertilizer is rich in nutrients, the nutrients do not mutually have antagonistic action, the balanced supplementation of various nutrients of crops can be realized, the water-soluble fertilizerdoes not precipitate, is capable of promoting the balanced absorption of plants to the nutrients and has excellent antibacterial and sterilizing effects, and the occurrence rates of plant diseases and insect pests are low; and the operation steps during the preparation are simple and reasonable in design, various components are easily available, the cost is low, and the maximum utilization of theresources is realized.

The invention relates to a water-saving agent for drought resistance of plants, particularly relates to a warm season type water-saving agent for drought resistance of lawn grasses and a preparation method thereof. The warm season type water-saving agent can increase biomass, enhance drought resistant and plant disease-preventing capacity, and effectively prolong the drought resistance time. The warm season type water-saving agent comprises the following raw materials in percentage by weight: 0.02-0.05 of chitosan, 0.004-0.01 of salicylic acid, 0.00067-0.004 of forchlorfenuron, less than 0.03of phosphoric acid, less than 0.002 of cosolvent, and less than 0.05 of organic solvent and water in balance. The preparation method comprises the following steps: adding chitosan into phosphoric acid, homogeneously mixing, adding ethanol, dissolving under stirring, adding salicylic acid and forchlorfenuron, stirring, adding cosolvent and water, dissolving under stirring, and adding water to obtain colorless transparent mixed solution, i.e. warm season type water-saving agent for drought resistance of lawn grasses.

The invention provides a fruit preservative film coating agent and a preparation method thereof. The fruit preservative film coating agent is prepared from the following components in percentage by weight: 1 to 5 percent of carboxymethyl chitosan, 0.1 to 1 percent of myristic acid, 0.2 to 1.2 percent of tea leaf fermented extract, 0.1 to 0.5 percent of aminoisobutyric acid, 0.1 to 0.4 percent of polyglutamic acid, 0.06 to 0.36 percent of plant polysaccharide gum and the balance of water. The preparation method comprises the following steps of 1), mixing the plant polysaccharide gum with the water, then putting into a water-bath pot, heating to 60 to 70 DEG C, agitating until the plant polysaccharide gum is completely dissolved, afterwards, adding the carboxymethyl chitosan and the myristicacid, and uniformly agitating until complete dissolution; cooling to a room temperature, then adding the tea leaf fermented extract, the aminoisobutyric acid and the polyglutamic acid, mixing, and agitating until the complete dissolution, so as to obtain a mixed solution; 2), filtering the mixed solution to remove an undissolved substance, degassing in a vacuum condition, standing overnight at 4to 10 DEG C, then recovering to the room temperature, and carrying out vacuum degassing. The film coating agent can be used for effectively decreasing the rotting rate of a fruit, maintaining the quality of the fruit, improving the commodity rate of the fruit and prolonging a preservative period.

The invention relates to an efficient crop-rotation fertilizing method for relieving continuous cropping obstacles and increasing the full-fruit rate of peanuts. The method comprises the following steps: winter wheat is fertilized and seeding is carried out; after the wheat is harvested in the next year, ridging is carried out at places 10-15 away from two sides of wheat roots; a peanut base fertilizer is applied, wherein the peanut base fertilizer comprises a special compound fertilizer for peanuts, calcium superphosphate and humic acid raw powder; after the peanut base fertilizer is applied,peanuts are sowed by adopting a sowing mode of two grains in one hole; a special leaf fertilizer special for peanuts and chitosan oligosaccharide are applied by a foliage spraying method in a poddingand full fruiting period of the peanuts, so that the formation of peanut pods is promoted; and when the color of peanut leaves turns yellow and stems and leaves at the middle-lower part are withered,the peanut pods can be harvested. According to the invention, through the change of the fertilizers and the fertilizing modes on the basis of crop rotation of the wheat and the peanuts, the physicaland chemical properties of soil can be improved, the soil fertility can be improved, the influence of diseases and insect pests on peanuts can be reduced, the continuous cropping obstacles of the peanuts can be relieved, the vigorous growth of the peanuts is promoted, the full-fruit rate of the peanuts is increased, the peanut yield is increased, and the sustainable development of peanut industryis facilitated.

The invention relates to a plant water-saving antitranspirant and a preparation method thereof, and belongs to the technical field of plant water-saving agents. The plant water-saving antitranspirantis capable of using a wax layer of ammopiptanthus mongolicus skin to combine with n-dodecyl alcohol, n-hexadecyl alcohol and aromatic alcohol, and is sprayed on the leaf surface to form a layer of a transparent molecular film, so the mass transfer resistance of water gas-liquid transmission is increased, the antitranspirant achieves the effect of a vapor exchange energy barrier and has the stronginhibition and water retaining effect, the antitranspirant can be rapidly and autonomously spread out to form the molecular film after sprayed on the leaf surface, and a leaf surface water evaporationrate can be effectively delayed. The plant water-saving antitranspirant is capable of using drought-resisting stress-resisting natural substances, such as more than ten types of amino acids and alkaloid contained in the ammopiptanthus mongolicus, to combine with a drought-resisting element, keeping and improving the plant cellular affinity and water retaining capacity, preventing the cell dehydration, enabling plant cells to have the apparent drought-resisting capacity, reducing the plant water transpiration, remarkably increasing the chlorophyll content, improving the photosynthesis, enhancing the plant enzyme system physiological activity, and stimulating the growth of a plant root system.

The invention relates to a compound nutrient conditioner for roots of plants, which includes a liquid A, a liquid B, a liquid C and water according to the mass ratio of 23:18:7:130, wherein the liquid A includes calcium nitrate, ferric chloride, amino acid chelated magnesium and water; the liquid B includes boric acid, ferrous sulfate, tripotassium phosphate, manganese sulfate, copper sulfate, zinc sulfate, ammonium dihydrogen phosphate, ammonium molybdate and water; the liquid C includes gibberellins, 6-furfurylaminopurine, [alpha]-naphthylacetic acid and water. The compound nutrient conditioner contains abundant nutrients, various microelement and growth hormones, is beneficial to scientific fertilization and achieves high quality and high yield.

The present invention relates to an organic vegetable biological preservative, a preparation method thereof and a matched preservation method. The organic vegetable biological preservative mainly comprises the following components: 0.5-2 parts of inositol hexaphosphate, 3-5 parts of tea polyphenols, 4-8 parts of calcium propionate and 3-5 parts of ethyl sorbate. The provided organic vegetable biological preservative can reduce water transpiration of vegetables, inhibits post-harvest breathing, prevents vegetable spoilage, slows down plant nutrient consumption and chlorosis. Besides, the used raw materials all have relatively high safety and are easy to wash. The preservative is safe, highly efficient and pollution-free.

The invention provides a green vegetable compound antistaling agent and a matched antistaling method thereof. The method is characterized by comprising the following steps of: (1) selecting fresh and complete green vegetables without disease, removing impurities, and washing with running water; (2) immersing the drained vegetables in the green vegetable compound antistaling agent compounded by sodium erythorbate, kojic acid, gibberellin, salicylic acid and magnesium sulfate for 15 minutes, and drying by using cold air; and (3) packaging the vegetables in a freshness protection package specialfor green vegetables with air-regulating and humidity-breathing function, fastening the package mouth, putting into a packing box and storing at proper temperature, wherein the vegetables in each package do not exceed 2kg and the weight is consistent. The green vegetable compound antistaling agent can make the green vegetables stored at low temperature for 10 to 15 days or keep the color, freshness and mouthfeel of the vegetables in normal-temperature shelf life of 3 to 6 days, and is safe and nontoxic; and the method is simple and has promotion and application value.

The invention relates to the technical field of crop planting, in particular to a Yellow River Delta saline-alkaline land winter wheat water-saving yield-increasing sowing method. The method includessteps: treating previous-crop straw, performing primary rotary tillage once, deeply loosening, watering, performing secondary rotary tillage for 2-3 times, compacting before sowing, performing full-width sowing, and compacting at proper time after sowing. Linked technical steps are adopted for operation and supplement each other, promote each other and are scientific in design, the defects in existing winter wheat planting in Yellow River Delta regions are fully eliminated, and yield increase of winter wheat in the regions is realized on the basis of water saving.

The invention belongs to the technical field of tree cultivation, and discloses a transplanting cultivation method for Pu'er old tea trees. The method mainly comprises the following steps: tree selection and pruning: selecting Pu'er old tea trees in winter and spring, and pruning the selected Pu'er old tea trees to be transplanted; excavation and transportation: excavating the Pu'er old tea trees,retaining soil balls in the excavation process, and then transporting the Pu'er old tea trees to a transplanting place; planting: pruning roots of the Pu'er old tea trees, spraying a rooting solutionand a sterilizing solution, and then planting the Pu'er old tea trees; and cultivation: brushing a trunk and a cut with a paraffin solution, and then watering the Pu'er old tea trees. The method provided by the invention is simple to operate, good in effect and good in sealing performance for tree bodies, water of the tree bodies does not evaporate, water transpiration and loss are reduced, it isensured that the tree bodies do not dehydrate, the trunk does not rot, the trunk and bark are not damaged, water balance and physiological balance of the tree bodies are maintained to the maximum extent, rapid rooting of the tea trees is achieved, and the survival rate of the transplanted tea trees is improved by 95% or above.

The invention belongs to the technical field of preservatives, and particularly relates to a nanoscale edible coating preservative and a preparation method thereof. The preservative is prepared from egg white and yolk suspension, nanoscale cellulose, curcumin and gamma-PGA+CS+ glycerol. The main raw materials used in the invention are good in water solubility, edible, non-toxic and good in film-forming property. The edible coating preservative prepared by the preparation method disclosed by the invention can form uniform and difficult-to-fall films on the surfaces of fruits and vegetables, reduce moisture transpiration and inhibit respiration, effectively control the epidermis atrophy condition of the fruits and vegetables in the storage period, reduce the water loss rate and the rotting degree, maintain the brightness of the fruits and the texture of pulp, obviously prolong the fresh-keeping time of fruits and vegetables, and is safe, non-toxic and pollution-free.

The invention discloses wax for plant seed pretreatment and a preparation method and an application method thereof. The wax consists of the following components in percentage by weight: 85-90% of hydrocarbon substances, 10-15% of humectant and 0.1-2% of bactericide. According to the wax disclosed by the invention, when the soil temperature is lower than the minimum temperature 8-10 DEG C required for plant seed germination, the wax substances form a dense solid protection film which effectively cuts off substance exchange between seeds and the outside to avoid bacterial infection, and the seeds can be protected from frost damage in the low-temperature soil in early spring while seed powder is avoided; when the soil temperature reaches the minimum temperature 8-10 DEG C required for plant seed germination, the wax substances are molten to form a liquid-state hydrophobic protection layer which is adhered to the surface of a plant seed and can inhibit the evaporation of moisture in the plant seed so that the seed contains proper moisture and the seed germination is promoted; after seed germination, the protection film formed by the wax substances is broken through, and the plant growth is not influenced.

The invention belongs to the technical field of plant growth regulators, and relates to a plant grafting healer. The plant grafting healer comprises the following components in percentage concentration by mass: 1% of sodium alginate, 2% of gelatin, 0.1% of calcium lactate, 0.01-0.02% of 1.8% compound sodium nitrophenolate, 0.001-0.002% of sodium sulfhydrate, 0.08-0.12% of 50% chloroisobromine cyanuric acid, 0.2-0.5% of 50% humic acid and the balance of water. The plant grafting healer can obviously increase the survival rate of grafted plants. The plant grafting healer comprehensively increases the grafting survival rate of the plants and promotes the growth of new shoots. An experiment proves that compared with the existing various grafting healers, the plant survival rate obtained by the plant grafting healer provided by the invention is increased by about 5% on average.

The invention relates to a rescue method after ball spallation in big tree transplanting. The method adopts the treatment steps as follows: (1) pouring gaps of a soil ball by adopting mud mixed with a rooting agent after transplanting so as to form a whole; (2) swathing boughs of a tree trunk and below and trunk parts by adopting a plastic film until the bottom of the trunk; and (3) conducting transfusion treatment to the trunk. Leaves and / or branches with leaves of the tree can be further pruned towards special trees before transplanting, and anti-transpirant spraying and / or overshadowing tothe whole tree can be conducted after being transplanted. With the method, a root system can be better contacted with soil and water, new roots of the root system can be quickened, water and nutrientcan be timely supplemented, cells of the tree and enzyme activity can be stimulated, water transpirating of the tree can be slow down, the absorption strength of the tree body can be reduced, nutrition consumption can be decreased, the up and down balance of the tree can be increasingly achieved again, and the survival rate of the whole canopy transplanted tree can be improved.

The invention discloses wax for plant seed pretreatment and a preparation method and an application method thereof. The wax consists of the following components in percentage by weight: 85-90% of hydrocarbon substances, 10-15% of humectant and 0.1-2% of bactericide. According to the wax disclosed by the invention, when the soil temperature is lower than the minimum temperature 8-10 DEG C required for plant seed germination, the wax substances form a dense solid protection film which effectively cuts off substance exchange between seeds and the outside to avoid bacterial infection, and the seeds can be protected from frost damage in the low-temperature soil in early spring while seed powder is avoided; when the soil temperature reaches the minimum temperature 8-10 DEG C required for plant seed germination, the wax substances are molten to form a liquid-state hydrophobic protection layer which is adhered to the surface of a plant seed and can inhibit the evaporation of moisture in the plant seed so that the seed contains proper moisture and the seed germination is promoted; after seed germination, the protection film formed by the wax substances is broken through, and the plant growth is not influenced.

The invention relates to an efficient crop-rotation fertilizing method for relieving continuous cropping obstacles and increasing the full-fruit rate of peanuts. The method comprises the following steps: winter wheat is fertilized and seeding is carried out; after the wheat is harvested in the next year, ridging is carried out at places 10-15 away from two sides of wheat roots; a peanut base fertilizer is applied, wherein the peanut base fertilizer comprises a special compound fertilizer for peanuts, calcium superphosphate and humic acid raw powder; after the peanut base fertilizer is applied,peanuts are sowed by adopting a sowing mode of two grains in one hole; a special leaf fertilizer special for peanuts and chitosan oligosaccharide are applied by a foliage spraying method in a poddingand full fruiting period of the peanuts, so that the formation of peanut pods is promoted; and when the color of peanut leaves turns yellow and stems and leaves at the middle-lower part are withered,the peanut pods can be harvested. According to the invention, through the change of the fertilizers and the fertilizing modes on the basis of crop rotation of the wheat and the peanuts, the physicaland chemical properties of soil can be improved, the soil fertility can be improved, the influence of diseases and insect pests on peanuts can be reduced, the continuous cropping obstacles of the peanuts can be relieved, the vigorous growth of the peanuts is promoted, the full-fruit rate of the peanuts is increased, the peanut yield is increased, and the sustainable development of peanut industryis facilitated.

The invention provides a fresh-keeping preparation for fresh fruits and a preparation method thereof. The preparation comprises the following components: 1-4% of chitin and derivatives thereof, 1-3% of pinus pumila gracilaria polysaccharides, 0.02-0.1% of aminoisobutyric acid, 3-8% of sorbic acid, 0.01-0.04% of nanometer titanium dioxide, 0.04-0.1% of nanometer zinc oxide, 0.5-2% of tween, and thebalance of water. The preparation method comprises the following steps: 1) dissolving the aminoisobutyric acid and the sorbic acid in water, slowly heating the mixture to 50-60 DEG C, conducting uniform stirring, adding the chitin and derivatives thereof, conducting uniform stirring, and conducting heat insulation for 20-40min to obtain a solution A; 2) mixing the pinus pumila gracilaria polysaccharides with the tween under a water bath temperature of 40-50 DEG C so as to obtain a mixed liquid; and 3) adding the mixed liquid of the step 2) into the solution A of the step 1), then adding the nanometer titanium dioxide and the nanometer zinc oxide, and continuing stirring at the temperature of 40-50 DEG C for 1-2h. The fresh-keeping preparation can effectively reduce the rot rate of fruits,maintain fruit quality, improve the commodity rate of the fruits, and prolong preservation period.

The invention discloses an edible compound coating antistaling agent for drupes. The edible compound coating antistaling agent belongs to the field of fresh preservation and treatment of fruits and vegetables and is characterized in that chitosan and other auxiliaries are dissolved in a water solution prepared in an acetic acid solution with low concentration. According to the invention, glycerylmonostearate and Tween 80 are added in chitosan coating, thus the connecting strength of antibacterial components is enhanced and, the toughness and air permeability of the coating are improved; and meanwhile, other components in the fresh preservation agent, such as sodium ascorbate, sodium chloride, and the like, have greater bacterial resistance and fresh preservation effects. The edible compound agent, after being applied to coating the drupes, can form a layer of shiny transparent film on the surface of each drupe and achieves the functions of preserving water, reducing bacterial contamination, preventing the growth of microorganisms, resisting oxidation and inhibiting the fruit respiration. The edible compound agent can be widely applied in the storage and fresh preservation of the drupes and achieves greater fresh preservation effects than other methods. The edible compound agent is convenient to prepare and use, requires small equipment investment, occupies a small operation area, and is suitable for industrial batch production.

The invention discloses a bare-toot planting method for a large chestnut tree. The method comprises the following steps of 1, selecting a planting period; 2, pretreating a tree body of the large tree; 3, lifting seedling; 4, transporting; 5, planting, and carrying out water retention; and 6, carrying out maintenance and green-recovering. The method has the advantages that 1, the early spring with minimum transpiration amount of the tree body is adopted as the planting period, and five comprehensive water retention measures of (1) adopting a branch reshaping method of cutting 1 / 2 to 2 / 3 main branches of the planted large tree; (2) smearing cuts of the cross section; (3) adopting a root comprehensive moisturizing method after the seedling lifting of the large tree; (4) dewatering for two times after planting; and (5) covering mulching films, so the moisture transpiration amount of the tree body is reduced, and the survival rate of the planted large tree is improved; 2, the bare-root planting method is adopted, a root system only remains little heart protecting soil, and the integral weight and volume of the large tree are only about 1 / 4 of the weight and volume of a plant with soil, so the manual operation is convenient in the seedling lifting, transportation and planting processes, the labor workload is greatly reduced, the machinery assisting operation rate is reduced, and the planting cost is obviously reduced.

The invention belongs to the technical field of tree planting, and particularly relates to a method for keeping alive bare-root transplanted zelkova serrata. The method sequentially includes four steps of A), digging trees; B), pruning; C), spraying protective agent; D), loading and transporting and transplanting and the like. When necessary, the method further includes step of E), maintaining and managing after transplanting. By the method, a conventional working mode of transplantation of the zelkova serrata with soil balls is broken up, soil loss in a nursery garden is avoided, and conservation of water and soil is benefited; working efficiency is improved by implementing processes of digging, transporting and transplanting and the like in a mechanized way; convenience is brought to loading, loading capacity of each vehicle is increased by more than a third, so that transportation cost is reduced; by a series of scientific and practical processes, survival rate of the bare-root transplanted zelkova serrata is ensured to be similar to the transplantation of the zelkova serrata with the soil balls; therefore, the method for keeping alive the bare-root transplanted zelkova serrata has good application prospect in the technical field of the tree planting.

The invention provides a method for erecting outdoor arc-shaped frames for pumpkins. The method includes planting two rows of the pumpkins on both sides of a moisture surface; when the plant height ofthe pumpkins reaches 25-35 cm, at positions which are 5-15 cm away from two corresponding parallel pumpkin plants and located on the both sides of the moisture surface, respectively inserting two ends of each arc-shaped support into the both sides of the moisture surface until the whole moisture surface is plugged with the arc-shaped supports; connecting all the arc-shaped supports in series through transverse rods; covering the erected arc-shaped supports with a sunshade net; guiding vines of each pumpkin plant onto the sunshade net in a direction parallel to the corresponding arc-shaped support, removing all lateral vines, reserving main vines as fruiting vines, and performing pinching after the main vines cross the arc-shaped supports to reach the edge of the moisture surface on the other side. The method has the advantages that only lateral branches need to be removed in the whole growth period of the pumpkins, and flower and fruit thinning is not needed; materials for the methodare easy to obtain, and the planting density is increased; through the three-dimensional arc-shaped supports and the sunshade net, ventilation and light transmission among the pumpkin plants are improved, pests and diseases are reduced, and formation of the fruit shape and color of the pumpkins is promoted.

The invention discloses a fresh-keeping storage method of Chinese chives, which comprises the following steps: selecting fresh and complete Chinese chives without disease damage, removing impurities,and washing with tap water; soaking the drained Chinese chives in the special preservative for the Chinese chives for 15 minutes, and airing the Chinese chives with cold air; putting Chinese chives into special fresh-keeping bags with air-regulating and moisture-permeable functions, keeping the weight of each bag not more than 2kg and consistent, tightening bag openings, putting the bags into a packaging box, and storing at a proper temperature. The storage method can effectively prolong the preservation time and keep the color, freshness and taste of the leaves for a long time, and is safe and non-toxic.

The invention discloses an antitranspirant foliar fertilizer and a preparation method thereof. The antitranspirant foliar fertilizer comprises the raw materials of copper sulfate, ethylene diamine tetraacetic acid, monopotassium phosphate, zinc sulfate, ferrous sulphate, manganese sulphate, ammonium molybdate, composite rare earth, boric acid, sodium dodecyl sulphonate, urea, fulvic acid, hexanoic acid 2-(diethylamino) ethyl ester, compound amino acid, magnesium sulfate, calcium nitrate, ethylene diamine tetraacetic acid, microbial agent, azone and ammonia water. The antitranspirant foliar fertilizer provides nutrient elements and microbial agents which are required by the growth of plants, the rare earth and amino acid and other beneficial elements, can promote the growth of the plants, improve the yield, the quality, the stress resistance of the plants and the absorbing and operating capabilities on trace elements, simultaneously can effectively reduce the transpiration of the plants and is applied to afforesting in arid regions.