55results about How to "Promote nutrient accumulation" patented technology

The invention provides a breeding method for intermediate breeding of Anguilla marmorata fries. The breeding method comprises the steps of intermediately breeding the Anguilla marmorata fries in a cement breeding pond in the early stage and breeding the Anguilla marmorata fries in an earthen pond in the later stage. A net box and water flow boosters are arranged in the process of intermediately breeding the Anguilla marmorata fries in the cement breeding pond in the early stage, and the Anguilla marmorata fries are bred in the net box, so that the metabolites of the Anguilla marmorata fries can be conveniently filtered and deposited, the survival environment is optimized, and the breeding survival rate is increased; the four water flow boosters are arranged at the four corners of the cement breeding pond, so that water flow circulates anticlockwise, a flowing water environment is created for the Anguilla marmorata fries, Anguilla marmorata can frequently move in the flowing water environment, the bait intake speed and the growth speed of the Anguilla marmorata are increased, and the survival environment of the Anguilla marmorata is optimized; the Anguilla marmorata fries are bred for 1-2 months in the cement breeding pond and fed with blood worms in the early stage and eel powder 7 days before leaving from the pond, after the Anguilla marmorata fries are fed with the eel powder, the Anguilla marmorata fries reaching 1 g per fry are transferred into a half mu (1 mu is 1 / 6 of acre) of the earthen pond for later breeding of the Anguilla marmorata fries, and the unqualified Anguilla marmorata fries are still concentrated in the cement breeding pond and continue to be fed with the blood worms; and during the process of breeding the Anguilla marmorata fries in the earthen pond, the Anguilla marmorata fries are mainly fed with the eel powder in the early stage and occasionally fed with the blood worms, all the Anguilla marmorata fries reaching 5 g per fry are fed with the eel powder, and the Anguilla marmorata fries reaching 10 g per fry are transferred into an Anguilla marmorata growing pond for breeding.

The invention discloses an ecological planting method of red Chinese pears. The planting method includes the following steps of field selection, soil preparation, planting, management of water and fertilizer, management of flowers and fruits, prevention and treatment of diseases and pests and shaping and pruning. According to the planting method, by using a plant extract as pesticide and adoptingdecomposed organic fertilizer as fertility supplement, investment of pesticide and fertilizer is effectively avoided, ecological planting of the red Chinese pears is achieved, no pressure is caused tosoil, the problems such as soil caking and pesticide residues are avoided, and the obtained pears are high in safety and yield, large in size, great in coloring, endurable to preservation and transportation and remarkable in economic benefit. By pruning in spring, growth of branches is facilitated, and illumination is improved. By pruning in winter, tree crowns expand appropriately, and early fruiting is facilitated. Through comprehensive management of the red Chinese pears, the quality of the pears is effectively improved, and the excellent quality and high yield of fruits are achieved.

An autumn silkworm five-instar period mulberry shoot slope rearing technology relates to a silkworm rearing technology. The technology comprises the following operation steps: installing a slope, cutting mulberry shoots, placing silkworms on the slope, feeding the silkworms with mulberry shoots, sterilizing and prevent disease, and mounting. By using the technology of the invention, the work efficiency of the sericiculture can be increased, the utilization rate and refreshing degree of mulberry leaves can be increased, the silkworm diseases can be controlled, the silkworm cocoon quality can be increased, the nutrient accumulation of the mulberry tree can be improved, the diseases of the mulberry tree can be controlled, the rearing instrument investment can be saved, the utilization rate of silkworm rooms is increased, and the domestic sericiculture is easy to realize.

The invention discloses flower planting nutritional soil and a preparation method thereof, and relates to the technical field of nutritional soil. The flower planting nutritional soil is prepared from the following raw materials in parts: 55 to 65 parts of garden soil, 45 to 50 parts of capsule release particles, 30 to 32 parts of crop straws, 24 to 26 parts of animal excrements, 10 to 12 parts of a bactericide, 5 to 8 parts of a rooting agent and 5 to 8 parts of live worms. The flower planting nutritional soil can provide nutritional components for growth of flowers and is long in fertilizer efficiency time, and the fertilizer application cost can be lowered.

The invention discloses a method for increasing the content of siamenoside I in momordica grosvenori. According to the method, jasmonic acid methyl ester is applied in a tissue culture or cultivation process of the momordica grosvenori. By virtue of the method, the yield of the momordica grosvenori siamenoside in the can be effectively increased. The method has the characteristics of fast effectiveness, low cost, simplicity in operation, and convenience in implementation, and the product has no toxicity or residue and the like, can meet the large-scale requirement of the momordica grosvenori siamenoside and has relatively high practicability and promotional values.

The invention relates to an unlimited shaping pruning fruit-bearing high-yield precocity method for greenhouse cultivation of melons. The unlimited shaping pruning fruit-bearing high-yield precocity method comprises the following steps: hoeing to preserve moisture of soil before a melon seedling grows to be 50cm, when the melon seedling grows to be 50cm, retaining a main vine and a strong side vine, completely removing side buds and side vines, suspending the main vine, leaving the side vine on the ground to grow, retaining stubbles to bear fruits when the main vine grows to be 80-100cm, retaining 3-4 adjacent joints to retain stubble and bear fruits, retaining one leaf before the fruits and pinching, pinching the main vine when the main vine grows to be 160-180cm, retaining only one living branch at the top, completely removing other side stubbles and side buds, selecting and retaining melons when melons grow and expand until the diameters are 4-6cm, retaining two small melons, and removing other small melons and side stubbles. By adopting the unlimited shaping pruning fruit-bearing high-yield precocity method, by retaining nutrient vines, the photosynthesis areas of crops can be increased, nutrition can be sufficiently replenished to reproduction vines, the reproduction vines are prevented from premature senility, fruits on the premature senility vines can absorb relatively much nutrition and can rapidly develop and grow, and by increasing water and fertilizers at appropriate time, the purposes of precocity, high yield and high efficiency of greenhouse cultivation of melons can be achieved.

The invention relates to a tomato planting pruning method, comprising the three steps: first, a tomato plant grows freely before blooming of a bottom ear of the tomato without pruning; second, when the bottom ear of the tomato blooms, pinching, clipping or branch twisting is carried out to a lateral branch; third, sucker picking is carried out when the fruit of the bottom ear of the tomato is expanded with about 3cm of diameter, that is, all lateral branches are removed. By adopting late sucker picking in early stage, the tomato fully utilizes sunlight to promote the growth of the root system in the early stage, thereby being beneficial to nutrition accumulation in the whole growth period of the tomato, promoting the nutrition distribution of the tomato in the critical time and solving the problem that the bottom ear fruit in the tomato production is small for a long time; in addition, the method is helpful to solving the problem of premature senility of the tomato and laying good foundation for high yield of the tomato.

The invention relates to a macadimia nut early-fruiting planting method. According to the method, fructescence of macadimia nut is shortened by 20 to 35 days; since crowns are sprayed with indolebutyric acid before florescence, germination of flower buds can be promoted while hormone sensitivity of pollen and stamen can be reduced and malformed fruit occurrence rate can be decreased; a good amountof borax and triacontanol which are added into florescence treating agents are good for absorption of gibberellin and further shortening fruit maturation time of macadimia nut; a good amount of boraxis added into a base fertilizer applied in the florescence, so that nutrient absorption capacity of roots of macadimia nut trees can be improved, fat content of macadimia nut is increased, and quality of macadimia nut is also improved.

The invention relates to a method for growing seedlings of pomelos. The method includes sequential steps of sowing seeds and cultivating rootstock; digging field planting pits; planting the rootstock seedlings in fields; carrying out grafting management. The method has the advantages that the method is high in pollination efficiency and seed collection quantity, early in seed collection time and good in stock-scion grafting compatibility, and the rootstock is high in disease resistance; shortcomings of low winter and spring temperatures, short illumination time, great humidity variation and insufficient soil nutrient supply can be overcome, and growth of the rootstock seedlings can be greatly accelerated; seedling recovering stages due to damage to root systems can be omitted, the growth density of plants is obviously lowered after the plants are planted in the fields, accordingly, tree growing spaces can be greatly increased, utilization of illumination, water and nutrients can be greatly improved, a large quantity of nutrition can be accumulated in trees, tips of branches can grow fast, trunk diameters and thicknesses can be quickly increased, grafting can be carried out in advance, tree forms can be formed early after the trees are grafted, flowering and fruit bearing can be shifted to an earlier time, and economic benefits can be realized quickly; organic fertilizers contain comprehensive and balanced nutritional components, accordingly, growth and development requirements of the pomelos can be met, and growth of the pomelos can be accelerated.

The invention discloses a high-yield promotion method for apples in a high-density continuous-cropping aged orchard. The method comprises the following steps: (1) crown-shrinking and reshaping: a step of reshaping an apple tree according to apple-tree planting density of the orchard, wherein a small-crown open-center tree shape is adopted; (2) fertilization management; (3) apple-tree pollination: a step of continuously spraying pollens with a backpack sprayer for 2 to 3 times by adopting an artificial pollination manner when more than 80% of central flowers bloom and more than 50% of flowers in the whole orchard bloom; (4) apple-fruit bagging; and (5) fertilizer topdressing: a step of starting increasing foliage fertilization by twice to three times in 3 to 5 days after apple-fruit bagging. The invention has the following beneficial effects: the method fully respects and utilizes habits and characteristics of growth and fruiting of the apple tree, so photosynthetic efficiency and nutritive accumulation level are greatly improved; meanwhile, the method is favorable for field operation, opens light paths of the orchard, increases light receiving area of an orchard inside cavity, promotes nutrient accumulation, solves the problem of canopy density of a conventional high-density continuous cropping aged orchard, and improves yield and quality of an apple orchard.

The invention discloses a flowering period extending nutrient solution for wide flower species. The solution is prepared by the following raw materials in parts by weight: 40-42 parts of fresh orange peels, 22-25 parts of peat, 11-14 parts of cottonseed hulls, 4-5 parts of sodium carboxymethyl starch, 3-4 parts of humic acidic ammonium, 6-7 parts of potassium dihydrogen phosphate, 45-47 parts of pomegranate seeds, 1.4-1.5 parts of sodium hexametaphosphate, 24-26 parts of eucommia leaves, 2.4-2.6 parts of ethylene diamine tetraacetic acid powder, a proper amount of a 50% ethanol solution, a proper amount of a 65% ethanol solution, and a proper amount of water. Organic nutrients and inorganic nutrition are combined, and nitrogen phosphor and potassium nutrients of high content as well as abundant medium and trace elements in the nutrient solution can satisfy nutrient demands of most flowers; at the same time, cheap raw materials and a simple preparation method can be used for replacing expensive nutrient solutions for specific flowers, and the solution has a high practical value.

The invention provides a basket type soil moving morchella esculenta cultivating method, which comprises the following steps of: (1) preparing a culture medium, namely placing the culture medium in aculture basket; (2) indoor culture of hyphae; (3) transferring the cultivation basket to a greenhouse; (4) fruiting management; and (5) soil removal and disinfection after fruiting body harvesting. According to the method, mycelium culture and fruiting management are implemented in a mycelium culture room and a fruiting greenhouse respectively, soil in the greenhouse is removed after mushroom harvesting is finished, and soil disinfection is conducted. Compared with traditional morchella esculenta greenhouse cultivation, indoor cultivation of mycelia is more beneficial to growth of the mycelia,the growth speed of the mycelia is higher, and the growth cycle of the toadstool is greatly shortened; meanwhile, after mushroom harvesting is finished, the problem of continuous cropping obstacles of morchella esculenta is solved by taking measures of removing soil and disinfection in the greenhouse and the like.

The invention discloses a pesticide and fertilizer application method for carya illinoensis through root irrigation, leaf spraying and stem smearing. The method is characterized by comprising the steps of root irrigation, leaf spraying and stem smearing. The carya illinoensis is subjected to root irrigation operation by using an aqueous solution of paclobutrazol, and a microbial fertilizer is mixed with water and then is irrigated to roots of the carya illinoensis; the carya illinoensis is subjected to leaf spraying by using a growth regulator, potassium dihydrogen phosphate and a nitrogen, phosphorus and potassium compounded fertilizer are sprayed, domestic animal manure is applied as a basal fertilizer, and a controlled-release fertilizer is sprayed to leaves of the carya illinoensis monthly; stems of the carya illinoensis are smeared with a kinetin solution once monthly so as to promote the coarse growth of nursery-grown plants; a fruit tree special fertilizer is applied in a fruit swelling stage, urea is sprayed at a primary stage and later stage of growth, and fertilizer application is carried out on fruiting trees 2 to 3 times every year; and overwintering water and germination water are sufficiently irrigated in winter, timely drainage and waterlogging control are required in a raining period, more water is saved by adopting a bottom infiltrating irrigation technology compared with upside sprinkling irrigation, and the utilization efficiency of moisture is increased.

The invention discloses a method of pollution-free planting of isatis tinctoria. The method is characterized by comprising the following steps of 1, low-temperature storage, wherein isatis tinctoria seeds are firstly subjected to sterilization treatment and are then mixed with organic matter fertilizer for low-temperature storage; 2, seed germination accelerating, wherein the stored seeds are soaked into plant nutrient liquid to be subjected to poikilothermic treatment, and high-temperature storage and low-temperature storage are repeatedly conducted for 5-6 times; 3, soil treatment, wherein the organic matter fertilizer is splashed to soil in early March, then the soil is subjected to deep plowing and airing, an abamectin solution is sprayed to the soil, lime powder is applied to the soil, then the soil is covered with transparent mulching film, then the nutrient sterilization liquid is utilized for spraying, and finally the treated soil is subjected to bed preparing; 4, planting, wherein the seeds after subjected to germination accelerating are sowed to beds in late March to early April and are covered with mulching film, and the mulching film at the upper portion of planting pits are left with breather holes; 5, daily management, wherein the plant nutrient liquid is periodically utilized for watering, the plant sterilization liquid is utilized for spraying, and the organic matter fertilizer is utilized to topdress isatis tinctoria in July and September.

The invention discloses a method for cultivating caulis spatholobi in a short period. The method comprises the steps that S1, management in the first year comprises the steps of land selection, land preparation and base fertilizer application, field planting, pulling branches to a tree, weeding, topdressing and water management; and S2, management in the second year and the fourth year comprises pruning, intertillage and topdressing, water management and medicinal material harvesting, wherein a selected land is a planting land under a hillside forest or a dense forest valley, pulling the branches to the tree is performed 3-6 months after field planting, or when newly-grown branches grow to 1-2 m, the branches are wound around arbor trunks, and the water management is to keep the soil of the planting land moist, and the humidity is 50%-70%. The method can solve the problems of loose plant shape, a plurality of branches, slow rattan stem transverse growth and the like in the artificial cultivation process of the caulis spatholobi, and achieves the purposes of shortening the production cycle of caulis spatholobi medicinal materials and improving the yield of the medicinal materials.

The invention relates to a bulb cutting cultivation method of hippeastrum rutilum, and belongs to the technical field of artificial plant cultivation. With bulbs of the bulb flower hippeastrum rutilum as a mother bulb material, rapid cultivation production of seed bulbs of the hippeastrum rutilum is conducted through the procedures of cleaning, disinfecting, cutting, matrix planting, cultivation managing and the like. The cultivation method is optimized, the growth speed is increased, and the problems that according to an existing scale vermiculite cuttage cultivation technology, the bulblet development speed is low, the cultivation period is long and the production cost is high are effectively solved. The cultivation method is a beneficial improvement on the prior art and can provide technical support for industrial mass production of the seed bulbs of the hippeastrum rutilum.

The invention relates to the technical field of ginger planting and discloses a high mountain planting method of ginger. The method comprises the steps of seeding in autumn, top application in spring, illumination adjustment, top application in summer and harvest in autumn; the method is simple, the obtained ginger is green and ecological, safe and healthy and abundant in nutrient, the yield of the ginger can reach 4732 kg per mu, and the yield and the quality of the ginger are obviously improved, so that the economic income of farmers is increased by 18.2%; after the ginger is harvested in autumn, the soil is subjected to fertilization and deep harrowing, seed ginger is sowed on the soil under woods, and the seeding depth is larger; meanwhile, the soil surface is covered with fallen leaves, so that the soil temperature can be improved, and freezing injury of the seed ginger in winter is avoided; meanwhile, as the temperature rises in spring, the seed ginger gradually sprouts and comes up out of the ground, the seed ginger can adapt to the temperature and humidity of high mountains completely, a conventional planting method that high temperature stratification is firstly conducted and then planting is conducted is avoided, the adaptive capacity of bud seedlings to the high mountain environment is improved, so that the survival rate reaches 98.4%, the planting efficiency of the ginger is obviously improved, and the planting cost is saved.

The invention discloses a method for cultivating clustered sapium sebiferum seedlings, which comprises the following steps of: selecting seedlings, namely selecting a plurality of sapium sebiferum seedlings with the same color system or different color systems to be planted together; auxin spraying, wherein auxin spraying is conducted in May to July in the growing season; trimming, namely performing stumping treatment in the dormant season of the first year of planting the sapium sebiferum seedlings; thinning and shearing the peripheral branches in May to July in the growing season of the second year so as to control the number and length of the first-stage branches and the second-stage branches, and meanwhile, cleaning the inner bore branches; water and fertilizer management: performing water and fertilizer management in a growing season and a dormant season respectively. According to the method, growth of nursery stock branches can be promoted by timely spraying auxin, and first-layer branches are cultured early; proper pruning is carried out by combining the pseudo-binary branch characteristic of the sapium sebiferum, so that a full crown shape can be quickly obtained; water andfertilizer management in the growing period is matched to promote seedling growth; sapium sebiferum seedlings of different color series varieties are selected for cultivation, and multi-color clustered sapium sebiferum seedlings can be obtained.

The invention provides a medicament capable of prolonging a flowering phase of bletilla striata and a preparation method of the medicament and belongs to the field of flower cultivation. The medicament is prepared from the following raw materials in parts by weight: 30 to 40 parts of grape see, 25 to 35 parts of aloe, 22 to 30 parts of tea leaf, 10 to 15 parts of uniconazole, 10 to 14 parts of urea, 3 to 8 parts of indoleacetic acid, 3 to 5 parts of sodium hydrosulfide, 1 to 2 parts of vitamin, 2 to 4 parts of EDTA (Ethylene Diamine Tetraacetic Acid) salt and 3 to 5 parts of potassium dihydrogen phosphate. According to the medicament provided by the invention, the grape seeds are matched with the aloe and the tea leaves, and antioxidase is matched to clean active oxygen generated in an ageing process of bletilla striata flowers, so that the flowering phase of the bletilla striata can be prolonged for 14 to 18 days, and the phytotoxicity to the bletilla striata flowers is not caused. The preparation method comprises an extraction step and a reaction step; the method has moderate reaction conditions and selected solvents have low toxicity and are green and environmentally-friendly; meanwhile, the prepared medicament has good medicine properties and high stability and can be widely applied to industrial production.

The invention discloses a high-efficiency aphidius gifuensis propagating method capable of improving a formation balance degree of mummified aphids of aphidius gifuensis. The method comprises the following steps: step (1) inhibiting apical dominance of floating and moisture tobacco plants; step (2) performing balanced myzus persicae propagation: introducing myzus persicae onto leaves of the lowerpart of the floating and moisture tobacco plants, performing self diffusion propagation on the myzus persicae, and after axillary buds are removed, performing coating by using a growth inhibitor to continue to inhibit the apical dominance; step (3) performing balanced parasitism: when an average amount of the myzus persicae on the floating and moisture tobacco plants reaches a required value, introducing adult aphidius gifuensis without hyperparasitoids into a net cover, and covering the net cover with a sunshade net during introduction of the aphidius gifuensis; and the step (4) collecting the mummified aphids. The method disclosed by the invention combines the advantages of strong bearing capacity of the tobacco plants and convenient management and short cycle of floating tobacco seedlings, at the same time, water and fertilizer management is performed by a dry-wet alternate method, and the floating and moisture tobacco plants with robust plants, young and tender leaves and good feeding of the myzus persicae are cultivated; and in the follow-up process of myzus persicae propagation and aphidius gifuensis propagation, pinching bud-inhibiting treatment is performed, so that nutrient accumulation of middle and lower leaves is promoted, and the myzus persicae is propagated on leaves of various parts in a balanced manner.

The invention discloses a plant growth regulation composition, a plant growth regulation preparation and applications of the plant growth regulation composition and the plant growth regulation preparation, wherein the plant growth regulation composition comprises 2-(acetoxy)benzoic acid and daminozide according to a weight percentage ratio of 1:(0.5-10). With the plant growth regulation composition and the plant growth regulation preparation of the present invention, the chlorophyll content of the leaf can be increased, the plant height can be restrained, the root dry weight and the inflorescence number can be increased, the flowering time can be prolonged, the chrysanthemum can be prevented from presenility or lodging, the risk of the occurrence of presenility due to the use of the plant growth delaying agent can be reduced, and the problems of narrow application, strong crop selectivity, unsatisfied effect, and high phytotoxicity risk of the single plant growth regulation agent can be solved.

The invention discloses a vegetable growth quality enhancer and a preparation method thereof. The vegetable growth quality enhancer is prepared from the following raw materials in parts by weight: 5-10 parts of magnesium carbonate, 6-12 parts of potassium sulfate, 0.5-0.8 part of citric acid, 3-6 parts of potassium acetate, 0.002-0.004 part of p-chlorophenoxyacetic acid, 0.003-0.006 part of sodiumnitrophenolate, 3-9 parts of wood chips, 0.4-0.7 part of Chinese chive extract, 0.1-0.4 part of tomato extract and 30-50 parts of deionized water. The vegetable growth quality enhancer disclosed by the invention is simple in preparation method and lower in raw material cost, can obviously improve the strength of vegetable stems and leaves, and enables fruits to be full, thus improving vegetable quality and economic value and increasing returns; therefore, the vegetable growth quality enhancer is suitable for being widely popularized.

The invention discloses a method of vegetation restoration of a red soil eroded degraded site, which comprises: firstly screening plant varieties, including comprehensive analysis on restoration vegetation species and planting modes of different red soil eroded sites in south China and screening red soil restoration species of different granite red soil eroded sites, secondly constructing planting modes, including a water conservation grass planting mode which is a mixed mode of arbor shrub grasses in the extremely highly red soil eroded site, a near-nature reforming mode of runtish pine trees in the highly red soil eroded site, and a grass mulching mode of economic forest in the slightly red soil eroded site, and thirdly monitoring and estimating growth condition and water-soil conservation of constructed vegetational communities. The method is feasible and simple in operation, improves the eroded degraded red soil, reduces water and soil loss, enhances the water conservation function, improves the suitability of the red soil to plant growth, highly efficiently restores vegetation in the degraded red soil area, and promotes quick restoration of the vegetation.

The invention relates to an unlimited shaping pruning fruit-bearing high-yield precocity method for greenhouse cultivation of melons. The unlimited shaping pruning fruit-bearing high-yield precocity method comprises the following steps: hoeing to preserve moisture of soil before a melon seedling grows to be 50cm, when the melon seedling grows to be 50cm, retaining a main vine and a strong side vine, completely removing side buds and side vines, suspending the main vine, leaving the side vine on the ground to grow, retaining stubbles to bear fruits when the main vine grows to be 80-100cm, retaining 3-4 adjacent joints to retain stubble and bear fruits, retaining one leaf before the fruits and pinching, pinching the main vine when the main vine grows to be 160-180cm, retaining only one living branch at the top, completely removing other side stubbles and side buds, selecting and retaining melons when melons grow and expand until the diameters are 4-6cm, retaining two small melons, and removing other small melons and side stubbles. By adopting the unlimited shaping pruning fruit-bearing high-yield precocity method, by retaining nutrient vines, the photosynthesis areas of crops can be increased, nutrition can be sufficiently replenished to reproduction vines, the reproduction vines are prevented from premature senility, fruits on the premature senility vines can absorb relatively much nutrition and can rapidly develop and grow, and by increasing water and fertilizers at appropriate time, the purposes of precocity, high yield and high efficiency of greenhouse cultivation of melons can be achieved.

The invention discloses a plant growth regulation composition, a plant growth regulation preparation and applications of the plant growth regulation composition and the plant growth regulation preparation, wherein the plant growth regulation composition comprises 2-(acetoxy)benzoic acid and daminozide according to a weight percentage ratio of 1:(0.5-10). With the plant growth regulation composition and the plant growth regulation preparation of the present invention, the chlorophyll content of the leaf can be increased, the plant height can be restrained, the root dry weight and the inflorescence number can be increased, the flowering time can be prolonged, the chrysanthemum can be prevented from presenility or lodging, the risk of the occurrence of presenility due to the use of the plant growth delaying agent can be reduced, and the problems of narrow application, strong crop selectivity, unsatisfied effect, and high phytotoxicity risk of the single plant growth regulation agent can be solved.

The invention provides a pot-tray precise nitrogen application seedling raising method for controlling nitrogen loss of a rice field, and belongs to the technical field of rice cultivation. The seedling raising method comprises the following steps: applying a nitrogen fertilizer required in the whole growth period of rice into a seedling raising substrate, performing rice seedling raising by utilizing a pot seedling raising tray, and transplanting obtained rice seedling root clusters with the fertilizer, the nitrogen fertilizer is applied in a controlled-release nitrogen fertilizer form. According to the rice seedling raising method adopting the precise nitrogen application in the pot tray, the seedling quality can be improved, the rice yield is guaranteed, the content of nitrogen in different forms in field surface water is effectively reduced, and the nitrogen emission reduction potential of the rice field is improved; fertilization frequency is reduced, labor is saved, and rice operation efficiency is improved.

The invention provides a breeding method for intermediate breeding of Anguilla marmorata fries. The breeding method comprises the steps of intermediately breeding the Anguilla marmorata fries in a cement breeding pond in the early stage and breeding the Anguilla marmorata fries in an earthen pond in the later stage. A net box and water flow boosters are arranged in the process of intermediately breeding the Anguilla marmorata fries in the cement breeding pond in the early stage, and the Anguilla marmorata fries are bred in the net box, so that the metabolites of the Anguilla marmorata fries can be conveniently filtered and deposited, the survival environment is optimized, and the breeding survival rate is increased; the four water flow boosters are arranged at the four corners of the cement breeding pond, so that water flow circulates anticlockwise, a flowing water environment is created for the Anguilla marmorata fries, Anguilla marmorata can frequently move in the flowing water environment, the bait intake speed and the growth speed of the Anguilla marmorata are increased, and the survival environment of the Anguilla marmorata is optimized; the Anguilla marmorata fries are bred for 1-2 months in the cement breeding pond and fed with blood worms in the early stage and eel powder 7 days before leaving from the pond, after the Anguilla marmorata fries are fed with the eel powder, the Anguilla marmorata fries reaching 1 g per fry are transferred into a half mu (1 mu is 1 / 6 of acre) of the earthen pond for later breeding of the Anguilla marmorata fries, and the unqualified Anguilla marmorata fries are still concentrated in the cement breeding pond and continue to be fed with the blood worms; and during the process of breeding the Anguilla marmorata fries in the earthen pond, the Anguilla marmorata fries are mainly fed with the eel powder in the early stage and occasionally fed with the blood worms, all the Anguilla marmorata fries reaching 5 g per fry are fed with the eel powder, and the Anguilla marmorata fries reaching 10 g per fry are transferred into an Anguilla marmorata growing pond for breeding.

The invention provides a strawberry seedling raising method so as to provide operation convenience for cultivating strawberry seedlings and promoting flower bud differentiation of the strawberry seedlings in advance. The method comprises the following steps of 1, cultivating the strawberry seedlings in a cold shed; 2, within 20 days before field planting of the strawberry seedlings, conveying coldair into the cold shed when the cold shed is at night, wherein within the 20 days, the accumulated input duration of the cold air is not less than 240 hours, after the cold air is input into the coldshed, the average temperature ranges from 8 DEG C to 15 DEG C, and the night is a continuous time period in which no continuous sunlight exists from 0 o'clock to 24 o'clock every day; and 3, transplanting the strawberry seedlings reaching the field planting period out of the cold shed. According to the method, very favorable growth conditions are provided for promoting flower bud differentiationbefore strawberry field planting, more nutrients can be accumulated for strawberry fruiting, a stubble breaking period of strawberry fruit supply is filled, and the planting effect that the strawberryyield increment is not lower than 50% compared with that of cold storage seedling raising is achieved.

Relating to a pesticide, the invention provides a plant shaping agent containing chlormequat and paclobutrazol. The plant shaping agent comprises 5%-35% of chlormequat, 1%-30% of paclobutrazol, 10%-15% of tea saponin, and the balance water. The plant shaping agent is prepared by: firstly adding water and tea saponin into a blending kettle and mixing them evenly, then adding chlormequat and paclobutrazol, dispersing the materials in the mixed solution of water and tea saponin, then conducting grinding by a sand mill, performing sample inspection, and if qualified, conducting filling packaging. The plant shaping agent adopts water as the carrier, and uses natural tea saponin as the additive, thus being economical and environment-friendly. The agent is a liquid preparation, the process equipment is simple, and the use is convenient, labor saving and time saving. The agent has no damage to plants, prevents pest and disease attack, and withering cannot occur. The plant shaping agent can effectively inhibit the apical dominance of plants, the plant shape is compact, and the appearance is beautiful. Being conducive to nutrition accumulation of rhizome, the plant shaping agent saves water and fertilizer, and saves the plant maintenance cost, extends the plant regeneration period, saves the plant cultivation cost, and can be used for highways, traffic roads, water conservancy projects, airport lawn and the like.

A peanut yield increasing agent is prepared from diethyl aminoethyl hexanoate, potassium dihydrogen phosphate, borax, multienzyme protein and amino acid. The peanut yield increasing agent is easily absorbed by crops, has advantages of good slow releasing effect, fast effectiveness and less dosage, and is convenient to operate. Output per mu can be remarkably raised without using other yield increasing agents during usage of the peanut yield increasing agent.