200 results about "Alfalfa seed" patented technology

The invention discloses a method for cultivating alfalfa in a low- salt and -alkali cultivated land, relates to a method for cultivating the alfalfa and solves the problems of low rate of emergence, low yield and low alfalfa wintering rate in a saline and alkaline land by the conventional alfalfa planting method. The method comprises the following steps of: 1, turning over soil of the low- salt and -alkali land in autumn and forming ridges; 2, softening and air-drying alfalfa seeds before sowing; 3, ditching in spring, watering, sowing and preventing against insects and weeding; 4, mowing in an early flowering season and mowing once every 30 to 40 days until 20 days before frosting; 5, mowing for the last time after frosting; and 6, keeping 16 and 25 percent of the water content (mass) of the soil in an alfalfa land after reviving in a second year, performing normal fertilizer and water management and mowing. The rate of emergence of the method is between 80 and 90 percent, grass yield in a first year is 25 to 28 percent higher than that of the conventional method and wintering rate is between 78 and 92 percent. The method is suitable for cultivating the alfalfa in the low- salt and -alkali cultivated land.

The invention relates to the agricultural field, which is a method for improving output and quality of lucern seeds, and comprises selecting and preprocessing land blocks, selecting grass seeds and breaking dormancy of lucern seeds, producing nodule bacteria into bacteria liquid, spraying the bacteria liquid to seeds in the dark, low-temperature and humid environment, and fully and evenly churning the nodule bacteria with the seeds, and planting and sowing, the occupied area of each seedling is 0.24-0.35m 2, adopting mild irrigating and fertilizing weedicide to weed, penetratingly irrigating for a time in the early stage of budding and flowering, and further watering in flowering and pod-bearing period, auxiliary pollinating by human labor and preventing and curing pests, when 2 / 3-3 / 4 of green pods of lucerns become brown and seeds become yellow, the seeds of lucerns are mature, and people can reap, and thinning out of branches and planting after seeds are reaped. The invention overcomes the shortcomings in the prior art and controls line space and planting distance to continuously achieve the highest seed output in many years.

The invention discloses a method for remediating polycyclic aromatic hydrocarbon (PAH) polluted soil through cooperation of alfalfa and complex microbial inoculants. Alfalfa seeds are pretreated, and the plant sprouting period is shortened by 2-3 days, so that the tolerance of the plant to soil containing PAHs is enhanced, and the remediating capacity of the plant on the soil is improved. Besides, in an alfalfa-trichoderma-nodule bacterium combined remediating system, the synergistic effect of trichoderma and nodule bacteria is used for promoting degradation of the alfalfa to the PAHs in the polluted soil. Meanwhile, the physiological contour of the microbial population level of alfalfa rhizosphere soil is changed, and the diversity and the stability of the microbial ecological functions of the soil are recovered, so that the growth environment of crops is improved, and the quality and the yield of the crops are improved; the method has wide market application prospects.

The invention discloses a bioremediation method for the heavy-metal contaminated soil of a mining area, comprising the following steps: (1) applying thoroughly decomposed farmyard manure and superphosphate to the surface of the heavy-metal contaminated soil of the mining area, and spraying a biological surfactant which is rhamnolipid with the mass concentration of 1.5%; (2) ploughing, leveling and irrigating the heavy-metal contaminated soil of the mining area; (3) coating the alfalfa seeds with a microbial inoculum containing alfalfa-rhizobia; (4) coating the alfalfa seeds coated with the microbial inoculum; (5) treating Chinese wildrye seeds at low temperature; (6) mixing the coated alfalfa seeds and the Chinese wildrye seeds treated at low temperature, and sowing the mixed seeds into the heavy-metal contaminated soil of the mining area; and (7) carrying out field management after the seedlings emerge. Due to the adoption of the bioremediation method, the heavy metal in the heavy-metal contaminated soil of the mining area can be adsorbed and absorbed efficiently, and the residual heavy metals in the soil can be reduced. The bioremediation method has the characteristics of high remediation speed, good effect and large treating amount and is easy to operate and master manually.

The invention discloses a method for planting alfalfa in a moderately severe alkaline sulfuric acid saline soil on a large scale. The method comprises the steps as follows: (1), broadcasting fully rotten a farming manure, diammonium phosphate, potassium sulfate and industrial coal ash on the surface of the moderately severe alkaline sulfuric acid saline soil, and uniformly spraying coal-washing wastewater; (2), ploughing, leveling and irrigating the moderately severe alkaline sulfuric acid saline soil; (3), selecting alfalfa seeds of a salt-tolerant and drought-resistant variety, and soaking the seeds by using ABT rooting powder; (4), covering the soaked alfalfa seeds with bactericides with alfalfa root nodule bacteria; (5), coating the alfalfa seeds covered with the bactericides; (6), sowing the coated alfalfa seeds into the moderately severe alkaline sulfuric acid saline soil; and (7), after seedling emergence, carrying out field management. The method can be used for planting the alfalfa in the moderately severe alkaline sulfuric acid saline soil on a large scale, and has the characteristics of high seedling emergence speed, high seedling percentage, simplicity for operation, suitability for mechanical operation, easiness in manual control and the like.

The invention discloses a repair method for cadmium polluted soil by an arbuscular mycorrhiza-alfalfa symbiont. The repair method comprises the following steps: S1, preparing an arbuscular mycorrhizafungi fungicide; S2, treating alfalfa seeds; and S3, inoculating the arbuscular mycorrhiza fungi fungicide to the surface sol layer of the cadmium polluted soil; then planting the alfalfa seeds for field management; and after growth, harvesting plant materials, airing and transferring the plant materials, and incinerating the plant materials in a centralized manner to repair the cadmium polluted soil. By combining a microbial repair technology with a plant repair technology, the repair method solves the problem that the repair method is prevented from being popularized and applied on a large scale as a green repair technology because the microbial repair speed is slow, the responding time is long and the soil environmental requirement is high, is low in cost by plant repair, good in comprehensive ecological benefit, suitable for being popularize on a large scale and the like, and has the characteristics of being economical and convenient to repair microbially, not changing the inherentphysical and chemical properties of soil and the like. The obtained repair method is high in treatment capacity, economic, convenient and suitable for being popularized on a large scale.

The invention discloses an alfalfa seed obducens agent which is prepared from the following raw materials in percentage by weight: 1.5-5% of carboxymethylcellulose, 0.5-3% of rhizobium of alfalfa, 0.5-7% of biological humic acid, 0.2-3% of urea, 0.2-3% of monopotassium phosphate, 0.1-0.7% of ammonium molybdate, 0.1-0.5% of borax, 2-6% of sulfur powder, 0.15-0.7% of ferrous sulfate, 5-8% of sodium polyacrylate, 0.01-0.05% of indolebutyric acid, 0.01-0.05% of gibberellin, 0.01-0.05% of lysine acetate, 1.0-8.0% of thiram, 2.0-8.5% of thiophanate-methyl and the balance of alfalfa seeds. Aiming to the characteristics that alfalfa in the seedling stage is not saline-alkaline tolerant, draught tolerant, susceptible to diseases and the like, anti-salt and alkali, anti-drought and soil sterilizing factors are respectively added into the obducens agent disclosed by the invention, and moreover, the alfalfa seed obducens agent is obvious in production and application effects and is deeply welcomed by farmer households.

The invention provides a planting method of underwood grassland for breeding chickens, which pertains to the agricultural technical field. The method comprises the following steps: firstly, a forest land with a canopy density less than 70 percent is selected; secondly, purple alfalfa and chicory are sowed in a mixed way according to a percentage by seed weight of 30 to 60 percent and 70 to 40 percent, namely, each kilogram of mixed sowing seeds contains 0.3 to 0.6kg of purple alfalfa seeds and 0.7 to 0.4kg of chicory seeds, the sowing rate is 1.5 to 3.0 kg / mu (mu: a Chinese unit of area, 1 / 15 of a hectare), thereby forming an underwood grassland for breeding chickens, which can improve the immunizing ability of the chickens but reduce the total cholesterol content in the chickens. Breeding and utilizing the grassland start when the purple alfalfa and the chicory planted on the grassland grow to an average height of 15cm. The underwood grassland of the invention is characterized by improving the immunizing ability of the chickens, reducing the total cholesterol content of the chickens, saving feed, promoting the economic benefit of ecological forests and economic forests and producing high quality chickens.

The present invention is fermentation process of preparing conjugate linoleic acid with the seed of halophyte alfalfa as material. The process includes the following steps: 1. compounding culture medium, 2. pre-culturing the seed liquid via adding alfalfa seed oil and lactic acid bacteria to the culture medium, 3. fermenting to isomerizes and to obtain fermented liquid, and 4. extracting conjugate linoleic acid via dissolving the fermented liquid in isopropyl alcohol and extracting the fermented liquid with n-hexane. The preparation process of the present invention has low material cost, simple process, mild reaction condition and single isomer composition.

The invention discloses a method for planting alfalfa in the typical grassland rainfed condition. The method comprises selecting grassland NO.2 alfalfa, grassland NO.3 alfalfa or Aohan alfalfa seeds to serve as alfalfa seeds to be sown to be subjected to hull breaking; performing soil preparation and base fertilizer applying on a land block in the typical grassland, and performing mixed sowing on alfalfa seeds and gramineous forage grass seeds in the first or the middle ten days of June, wherein the alfalfa seed sowing rate is 7.88kg / hm<2> to 15 kg / hm<2>, the gramineous forage grass seed sowing rate is 21.43 kg / hm<2> to 24 kg / hm<2>, and the sowing depth is in a range of 1cm to 3cm;compacting the land lock; harrowing the land block before alfalfa seedling emergence after land block caught in the rain; cradling the alfalfa in the last ten days of July from the second year, wherein the cradling stubble height is larger than or equal to 5cm. According to the method, the alfalfa is planted in large area in the typical grassland based on the rainfed condition, and the alfalfa planting cost in the typical grassland is reduced.

The invention discloses a method for breaking dormancy in hard seeds of clover; inoculation of Penicillum, Aspergillus oryzae, Trichoderma viride, or the combination of the strains is adopted in the method for treating the seeds of clover. The method solves the main problem for breaking dormancy in hard seeds of clover and can improve the germination rate and emergence rate of the seeds; the used fungi of microorganism can be made into coating agent of clover seeds or seed dressing microbial inoculum and used in the production directly, thus reducing some links for breaking hard seeds before sowing, and saving materials and manpower. Meanwhile, the method has low production cost, high benefit and convenient use. The method has good market prospect in restoring the vegetation of the degenerated grassland, ecology construction and the production of grassland agriculture.

The invention discloses a method for planting alfalfa in a moderately severe carbonate saline-alkali soil on a large scale. The method comprises the steps as follows: (1), broadcasting fully rotten a farming manure, diammonium phosphate and potassium sulfate on the surface of the moderately severe carbonate saline-alkali soil in the rainy season of from the sixth to the eighth months, and uniformly spraying coal-washing wastewater; (2), ploughing, leveling and irrigating the moderately severe carbonate saline-alkali soil; (3), selecting alfalfa seeds of a salt-tolerant and drought-resistant variety, and soaking the seeds by using ABT rooting powder; (4), covering the soaked alfalfa seeds with bactericides with alfalfa root nodule bacteria; (5), coating the alfalfa seeds covered with the bactericides; (6), sowing the coated alfalfa seeds into the moderately severe carbonate saline-alkali soil; and (7), after seedling emergence, carrying out field management. The method can be used for planting the alfalfa in the moderately severe carbonate saline-alkali soil on a large scale, and has the characteristics of high seedling emergence speed, high seedling percentage, simplicity for operation, suitability for mechanical operation, easiness in manual control and the like.

The invention discloses an alfalfa seed pretreatment method for improving vigor of seedlings and saline-alkali resistance. The alfalfa seed pretreatment method comprises the steps of: firstly putting seeds in an air-permeable mesh bag, placing in a dry container filled with silica gel and sealing with aluminized paper, drying the seeds with the silica gel at the room temperature to reduce the water content of the seeds to be 4.59 to 7.09 percent, sealing the dried seeds with the aluminized paper, placing in a dry container filled with drying silica gel, and storing the seeds at the room temperature. Before seeding, the highly dried and stored seeds are sequentially placed in closed environments the relative humidity of which is increased in sequence, and the water content of seeds is improved gradually. The seeds are highly dried so that the vigor of seeds and the stress resistance of seedlings can be improved, thus the method is a simple, energy-saving and effective seed pretreatment method which can prolong the storage life of seeds. Simultaneously, the osmotic stress resistance of seeds in the germination period is enhanced, and the osmotic stress resisting function of seedlings in a saline environment is improved. The water saving effect and the drought tolerance are achieved in alfalfa cultivation by adopting a method of improving the seedling regularity and germinating speed.

The invention discloses a mining area land repair agent and a repair method. The repair agent includes the components by the mass percentage: 60%-70% of an organic matter, 1%-3% of a nitrogen fertilizer, 1%-3% of a phosphate fertilizer, 0.5%-2% of a potash fertilizer, 15%-20% of humic acid, 10%-15% of a mineral powder and 10%-15% of a water retention agent. The repair method comprises the steps: deeply plowing mining area land, thoroughly plowing the land, harrowing the land to be broken and smoothing; applying the water retaining agent to the soil; applying the mining area land repair agent to the soil; and sowing alfalfa seeds in the soil, and managing after seedling emergence. The mining area land repair agent provided by the invention can quickly repair the land, cannot cause secondary pollution on the soil, fully complements plant essential elements in the soil, and enhances the activity of the soil; and the method greatly reduces the cost of repairing the soil, and has the advantages of economy, environmental protection, high repair efficiency and easy popularization.

The invention discloses a method for increasing the alfalfa seed yield. The method comprises the steps that soil is prepared and fertilizers are applied from the middle ten days to the last ten days of March and membrane covering, bunch planting and alfalfa seed pelleting are carried out in the middle and last ten days of March; the seedlings of alfalfa emerge in the middle ten days of April, alfalfa enters the squaring stage in the last ten days of May, and 3-4g of mepiquat chloride is sprayed per mu at the squaring stage; boron fertilizers, potassium dihydrogen phosphate and molybdenum fertilizers are sprayed every other ten days from the bud stage to initial flowering, and watering is carried out once at every flowering stage in the middle and last ten days of June; pesticides are sprayed before flowering to control thrips and aphids and alfalfa enters the flowering stage in the first ten days of July; the seeds are harvested when 70-80% of seed pods become brown in the first ten days to the middle ten days of September. The method has the beneficial effects that the used coated seeds are inoculated with rhizobia, so that the application amount of nitrogen fertilizers is reduced, and environmental pollution of the nitrogen fertilizers is alleviated; the production cycle of the alfalfa seeds is shortened from two years to one year, namely, one season of seeds are additionally produced, so that the occupation ratio of the land on which alfalfa is planted in the current year can be reduced, the use ratio of the land is increased, and the seed yield and the incomes of growers are increased.

The invention discloses a mixed-sowing method of forage grass in a high altitude area of the Three Gorges reservoir area, comprising soil preparation before sowing, mixed sowing and fertilizer application, wherein the mixed sowing means mixed sowing of orchard grass seeds, trifolium repens seeds and alfalfa seeds, and specifically comprises the following steps of: performing row-spaced drilling on the orchard grass seeds and the alfalfa seeds, with row spacing of 0.3m; and uniformly sowing the trifolium repens seeds among the rows of the orchard grass seeds and the alfalfa seeds, wherein the dosage ratio of the orchard grass seeds to the trifolium repens seeds to the alfalfa seeds is 1: (1 to 1.6): (1 to 1.6), in parts by weight. The leguminous forage grass and gramineous forage grass selected for the mixed-sowing of forage grass disclosed by the invention are featured with heat resistance, drought resistance and leanness resistance, and are mixed-sowed with each other, thus adequately utilizing light energy and increasing photosynthates; additionally, the leguminous forage grass has a high protein content and the rhizobia of the leguminous forage grass has a function of nitrogen fixation, thus remarkably increasing the yield of the forage grass, and improving the quality of the forage grass and soil fertility, so that the advantages of the leguminous forage grass are very prominent. The method disclosed by the invention is simple and convenient, and simple in operation; and the artificial pasture established by the method has the characteristics of heat resistance, drought resistance and leanness resistance.

The invention discloses a high-frequency somatic embryo regeneration culture method for overcoming alfalfa variety genotype limitation, which comprises the following steps of: (1) selecting materials: selecting three explants of the epicotyl, the hypocotyl and the regenerated plant blade of an aseptic seedling after flushing, sterilizing and disinfecting as well as drying a mature alfalfa seed; (2) inoculating the selected explants onto a somatic embryogenesis induced culture medium for culture; (3) inoculating the explants subjected to somatic embryogenesis induced culture onto an embryo successive formation culture medium for culture; (4) inoculating the explants subjected to embryo successive formation culture onto an embryo maturation germination seeding-formation culture medium for culture to form a seedling; (5) carrying out seedling strengthening and rooting culture; and (6) transplanting a regenerated plant to survive. The invention can effectively overcome the problems of different varieties and genotype limitation in alfalfa high-frequency somatic embryo regeneration culture, greatly improves the somatic embryogenesis frequency and the plant regeneration frequency and improves the breeding efficiency.

The invention provides an alfalfa seed soaking liquid and a related method. The alfalfa seed soaking liquid comprises 2, 4-epi-brassinosterold, KNO3, ethyl alcohol and water, wherein dosage ratio of 2, 4-epi-brassinosterold to KNO3, to ethyl alcohol to the water is (0.01-1.0mg): 20g: 0.5ml: 1L. The method comprises the step of before sowing, soaking the alfalfa seeds by the alfalfa seed soaking liquid. The method is simple in process, low in cost and good in effect, and the problem that the germination rate of the alfalfa seeds is low under the high salt stress in the production of alfalfa can be effectively solved.

The invention belongs to the technical field of insect breeding, and specifically discloses a management method for overwintering of bees. The management method for the overwintering of the bees comprises the following steps: (1) performing management on beehives: checking the beehives before the beehives are moved into a hive; (2) performing management on the hive: after moving the beehives are moved into the hive, removing mites by adopting a miticide, and controlling temperature and humidity, wherein the miticide is mainly prepared by mixing glacial acetic acid, a peppermint extraction liquid and a cuscuta chinensis extraction liquid; and (3) performing feeding management: performing supplementary feeding on the bees by adopting bee feed, wherein the bee feed is mainly prepared from a certain weight of spirulina, alfalfa seeds, carrots, liquorice roots, corn stigma, mixed pollen, composite vitamins and honey. The management method for the overwintering of the bees disclosed by the invention mainly combines two aspects of overwintering environment control and overwintering feed, and effectively improves an overwintering survival rate of the bees.

The invention discloses a saline and alkaline land improvement method. The improvement method comprises the following steps: crushing plant straw to prepare plant straw powder, then, scattering the plant straw powder into saline and alkaline land, and carrying deep ploughing and turning; applying a mixture consisting of soybean meal, furfural residues, activated biochar powder, a microbial agent,inorganic fertilizer, natural zeolite powder, mineral-sourced humic acid and modified calcium alginate aerogel to the surface layer of the saline and alkaline land, and using a rotary cultivator for rotary cultivation and mixing; flattening the soil surface layer of the saline and alkaline land, uniformly sowing alfalfa seeds on the flattened saline and alkaline land, then, performing earthing up,and controlling the sowing depth at 1-2 cm; during harvesting, keeping the stubble height of alfalfa at 5.5-7.5 cm; carrying out deep ploughing, turning and burying on the saline and alkaline land toturn and bury the alfalfa stubbles in the soil; and then, planting wheat or corn crops. The method can effectively reduce the soil alkalization degree and salt content, and the physiochemical properties of the soil are effectively improved.

The invention discloses a method for improving drought resistance of paddy rice, alfalfa and Bermuda grass through drought induction treatment. The method comprises the following steps: A, planting: fertilizing, deeply ploughing and leveling a seedling land, fertilizing base fertilizers, preparing the land before sowing, sterilizing soil with ferrous sulfate, and leveling a bed surface; growing seedlings of paddy rice: firstly culturing seedlings in a certain farmland; cleaning alfalfa seeds, carrying out coating treatment on the seeds before sowing, ventilating, transmitting light and carrying out field management; carrying out lawn planting on Bermuda grass with two methods of seed sowing and rhizome propagation, and sowing seeds in late spring and early summer; B, seedling management: watering in seedling early period; and C, drought induction treatment: no watering paddy rice, alfalfa and Bermuda grass at any period of growth stage continuously so as to induce drought stress, and watering according to normal condition in other periods. The method is easy to implement, simple and convenient to operate and quick to take effect, and drought resistance of plants can be improved in short period of time, so that the crop yield and herbage yield during seasonal drought and at drought areas are increased.

The invention discloses a method for planting alfalfa in saline-alkali soil. The method comprises the following steps: deep application of a base fertilizer, a sowing process, irrigation, field management, a clipping process and greenness returning management. According to the invention, the soil structure is improved and the salt content of soil is reduced through soil preparation and deep application of the humic acid organic fertilizer. At the same time, a low-salinity environment is created in the germination period of alfalfa seeds by utilizing a drip irrigation mode, so that the seed germination and the seedling growth are promoted. Winter water for irrigation penetrates through a cultivation layer, so that the icing caused by water accumulation on the ground is avoided, and topdressing is carried out with the combination of irrigation by greenness returning water. In addition, a saline-alkaline-resistant alfalfa variety is selected as a recommendation variety, and the planting success rate is further improved. According to the method provided by the invention, the organic matter content of soil is increased before the alfalfa is planted, the disadvantages to the alfalfa germination and seedling growth caused by increased the salinity of dry soil in spring are overcome through the utilization of the drip irrigation method, conditions are created for normal growth of the alfalfa in the later stage, and the technical support for the production of high-quality alfalfa and the development of animal husbandry in saline-alkali areas is provided.

Disclosed is an alfalfa seed designated Magnum VI and deposited as ATCC Accession Number PTA-8324. Also disclosed are plants, or parts thereof, grown from the seed of the cultivar, plants having the morphological and physiological characteristics of the Magnum VI cultivar, and methods of using the plant or parts thereof in an alfalfa breeding program.

The invention discloses a planting method of pastures for dairy cows. The planting method comprises the following steps: selecting ryegrass and alfalfa seeds with full particle and without mothy phenomenon as pasture mixed seeds; seeding the pasture mixed seeds into a plot; planting sweet sorghums among line spacings of the pastures and forming natural pollination; obtaining first generation of hybrid pasture mixed seeds; seeding the first generation of hybrid pasture mixed seeds into a soft plot to obtain first generation of hybrid pastures; planting sweet sorghums among line spacings of the first generation of hybrid pastures, forming natural pollination and obtaining first generation of hybrid pasture mixed seeds; selecting the first generation of hybrid pasture mixed seeds with full particle as pasture seeds and seeding into a soft plot; fertilizing. The planting method disclosed by the invention has the benefits that the yield and the leaf quantity of the pastures planted can be improved during pasture planting, so that stems are crisper, and the palatability is good; meanwhile, the sweet sorghums for people to eat can be planted.

The invention mainly relates to an agricultural machinery, in particular to a structure of an alfalfa seeding machine. A small hard seed stepless precision drill comprises a rack consisting of a suspension device and a load bearing platform; a sowing depth regulating device and a traveling ground wheel transmission system are arranged below the suspension device; a seed metering device and a fertilizer feeding device are arranged above the load bearing platform; and an opener and an earth covering and pressing device are arranged below the load bearing platform. The small hard seed stepless precision drill is mainly characterized in that helical transition slots are arranged on seed metering wheels of the seed metering device; a single chain wheel is arranged on a ground wheel shaft of the traveling ground wheel transmission system; a drive chain is connected with a duplex chain wheel arranged on a fertilizer feeding shaft by the single chain wheel; and a second drive chain is connected with a triple chain wheel arranged on a seed metering shaft by the duplex chain wheel. The small hard seed stepless precision drill has novel design and compact structure, is simple and convenient to operate and has strong universality and good complete machine adaptability. Particularly, by the matching and regulation of the helical transition slots on the surfaces of the seed metering wheels and the duplex and triple chain wheels on the fertilizer feeding shaft and the seed metering shaft, the stepless precision seeding of small hard seeds can be implemented, the seeding quality and the working efficiency are improved, the yield of the agriculture and the grassland farming is ensured and the crop or grass mechanical harvesting working conditions are improved.

The invention relates to a method for remedying degenerated soil resulting from water and soil loss, and the method is characterized by remedying the barren and compact soil by biological nitrogen fixation of rhizobia of purple alfalfa rhizosphere and microecological function of the rhizosphere of other beneficial microbes. The method comprises the following steps: dressing purple alfalfa seeds with acid-resistant alfalfa rhizobia 91522 and sowing the purple alfalfa seeds on the degenerated and untilled soil; only applying living bacteria or sterile bacteria suspension and water during a growing process of the purple alfalfa, wherein, the bacteria suspension comprises a bacillus megatherium suspension, an associative nitrogen-fixation bacteria suspension and a bacillus mucilaginosus suspension; harvesting the alfalfa plants after planting the purple alfalfa three months later, turning the alfalfa roots into in-situ soil, applying living cellulose-decomposing bacteria or sterile cellulose-decomposing bacteria suspension, and aging the in-situ soil for two months; tilling the soil to plant the alfalfa of the next season until the soil is remedied. The method can effectively improve microbial activities of the degenerated soil, increase all-purpose and effective nutrients in the degenerated soil and scarify the soil, and conserve water and soil and get a great quantity of fine pasture to develop the animal husbandry.

The invention discloses a method for improving drought resistance of paddy rice, alfalfa and Bermuda grass through low-salt induction treatment. The method comprises the following steps: A, planting: fertilizing, deeply ploughing and leveling a seedling land, fertilizing base fertilizers, preparing the land before sowing, sterilizing soil with ferrous sulfate, and leveling a bed surface; growing seedlings of paddy rice: firstly culturing seedlings in a certain farmland; cleaning alfalfa seeds, carrying out coating treatment on the seeds before sowing, ventilating, transmitting light and carrying out field management; carrying out lawn planting on Bermuda grass with two methods of seed sowing and rhizome propagation, and sowing seeds in late spring and early summer; B, seedling management: watering in seedling early period; and C, low-salt induction treatment: continuously pouring sodium chloride solution with low concentration for a given period on paddy rice, alfalfa and Bermuda grass seedlings in growth stage. The method is easy to implement, simple and convenient to operate and quick to take effect, the drought resistance of plants is improved during a short period, the crop yield during seasonal drought or at arid areas is improved, and the ecological benefits and economic benefits of lawn vegetation conservation and water and soil conservation are achieved.

The present invention discloses an alfalfa seed rhizobia seed coating agent and a preparation method thereof. The alfalfa seed rhizobia seed coating agent of the present invention is prepared from raw materials containing a rhizobia agent, an adhesive and a substrate, wherein the rhizobia agent is formed by uniformly mixing a rhizobia liquid and a rhizobia adsorbent, the active ingredient of the rhizobia liquid is the Sinorhizobium meliloti, the mass content of ammonium molybdate in the rhizobia agent is 0.1-0.2%, and the ammonium molybdate content in 100 g of the rhizobia agent is (0.1-0.2) g and the Sinorhizobium meliloti content in 100 g of the rhizobia agent is more than or equal to 5*10<11> cfu according to the ratio of the ammonium molybdate in the rhizobia agent to the Sinorhizobium meliloti. According to the invention, the alfalfa rhizobia and the molybdenum with the optimal concentration are matched, and the skimmed milk is added to the adhesive as the protection agent, such that the prepared alfalfa seed pill coating agent has characteristics of rhizobia activity prolonging, plant nodulation and nitrogen-fixation promoting, substantial alfalfa yield increasing and alfalfa quality improving.

The present invention belongs to the technical field of feeds and specifically discloses a preparation method of a feed for bees. The preparation method of the culture feed for the bees comprises thefollowing steps: (1) raw materials are weighed: spirulina, alfalfa seeds, carrots, fresh ginger, mixed pollens, honey, etc. in a certain part by weight are weighed; (2) the raw materials are treated:the weighed spirulina, alfalfa seeds, carrots, fresh ginger, grape seeds and mixed pollens are sequentially subjected to crushing and mixing, microwave treating, irradiation treating, etc.; and (3) the raw materials are mixed: the raw materials are subjected to mixed fermentation; and the fermented raw materials are subjected to an irradiation treatment to obtain the feed for the bees. The prepared feed for the bees is safe and hygienic, and comprehensive and balanced in nutrients, can fully satisfy physiological needs of the bees, also has functions of improving body immunity of the bees, preventing bacteria and killing insects, can effectively reduce morbidity of the bees and promotes healthy growth of the bees.