30 results about "Arrhenatherum elatius" patented technology

The invention provides a mixed feed formula for a black goat. The formula comprises the following components: a green fodder including alfalfa, ryegrass, oat grass, mulberry leaves, locust tree leaves and sugarcane top; a coarse fodder including straw, cornstalk and bagasse; a concentrated feed including corn bran, wheat bran, peanut meal, bean cake and rice bran; an animal feed including fish meal, shrimp meal and mealworms powder; a mineral feed including bone meal, shell powder, urea, salt and aginomoto. The feed formula is low in cost, preferred by the black goat, quick for grow, healthy in physique and high in meat factor.

The present invention discloses a feed for Chinese Holstein dairy cattle in a subtropical zone. The feed is composed of the following raw materials: corn silage, whole cottonseed, alfalfa, arrhenatherum elatius, sugar beet pulp, beer residues, molasses, water, pineapple residues, rapeseed meal, corn, slow release urea, calcium hydrogen phosphate, distillers dried grains with soluble, edible salt, probiotic yeasts, sodium hydrogen carbonate, magnesium oxide, soybean meal, soybean skin particles, rumen bypass fat powder and a premix additive. A provided feed formula is scientific and reasonable. According to a certain ratio, high-quality hay, a mineral additive, trace elements, vitamins, industrial by-products, etc. are optimized and formulated, so that the feed can ensure rumen health of the Chinese Holstein dairy cattle, reduces heat stress, increases milk production, and improves economic benefits of breeding the Chinese Holstein dairy cattle.

The invention discloses traditional Chinese medicine granules for treating postpartum night sweat and a preparation method, belonging to the field of traditional Chinese medicines. The active ingredient of the medicine consists of the following raw materials: beechey fig root, radix astragali, glutinous rice root, Argentina anserina, henry woodbetony root, rhizome of perny false fairybells, arrhenatherum elatius, liquorice, bidens tripartita, wild groundnut seed, mulberry fruit, salvia miltiorrhiza, glossy privet fruit, caulis spatholobi, alectoria asiatica du rietz, donkey-hide gelatin, rhus chinensis mill, herba aristolochiae, pseudostellaria heterophylla, turtle shell, longspurred fairybells rhizome, rhizoma picrorhizae, platycladi seed and lucid ganoderma. In the invention, the adopted medicinal materials conform to the principle of monarch, minister, assistant and guide; the traditional Chinese medicine granules act appropriately to the situation according to the pathogeny and have the functions of tonifying and replenishing liver and kidney, nourishing yin and moistening lung, invigorating spleen and harmonizing stomach, tonifying and replenishing qi and blood, nourishing yin and clearing heat, nourishing and activating blood, consolidating exterior and stopping sweating and nourishing heart and tranquilizing mind, realize good absorption effect and remarkable curative effect and avoid toxic or side effects or clinical adverse reactions; and according to clinical verification, the cure rate on postpartum night sweat is relatively high.

The invention discloses a compound feed for improving reproductive performance of female rabbits and a preparation method thereof. The feed comprises the following components: 16-17 parts of corn, 6-7 parts of wheat middling, 15-16 parts of bran coat, 7-8 parts of DDGS, 2-3 parts of oil cake, 2-3 parts of cottonseed meal, 10-11 parts of soya bean meal, 19-20 parts of alfalfa, 12-13 parts of oat grass, 4-5 parts of rice bran, 0.5-0.6 part of table salt, 1.2-1.5 parts of calcium powder, 0.3-0.5 part of calcium hydrogen phosphate, 0.8-1 part of composite additive, 0.5-1.5 parts of Chinese medicinal herb decoction dried substance and 3.5-4.5 parts of Chinese medicinal herb decoction dreg. The feed disclosed by the invention can improve immunity of the female rabbits, reduce mastitis incidence of the female rabbits, reduce sunstroke of the female rabbits in summer, reduce heat stress of the female rabbits, increase annual number of births of the female rabbits and improve survival rate of young rabbits, thereby improving reproductive performance of the female rabbits.

The present invention discloses a nutritional sheep feed suitable for ruminants which is manufactured by the following raw materials in parts by weight: soybean hulls 80-90 parts, rose flower petals 7-10 parts, coix chinensis 8-12 parts, yellow rice wine 10-14 parts, arrhenatherum elatius 20-30 parts, cheese 5-7 parts, apple dietary fibers 5-10 parts, egg white 6-9 parts, coconut oil 4-5 parts, morus alba twig additives 4-6 parts, and an appropriate amount of alpha-amylase, tea saponin, arabic gum, cobalt chloride and water. The nutritional sheep feed suitable for ruminants uses soybean hulls as main raw materials, the enzymolysis treatment of the soybean hulls after being baked not only can volatilize the characteristic fragrance of the soybean hulls, but also can increase the water-soluble components of the soybean hulls which improve the dietary fibers, and thereby the physiological activity of cellulose is enhanced.

The invention relates to the technical field of artificial grassland planting, in particular to a method for planting arrhenatherum elatius (L.) presl in a cold region of a circumpolar latitude. The planting method comprises the steps of arrhenatherum elatius (L.) presl seed selection, seed treatment, land selection and land preparation, seeding, field management, first batch of arrhenatherum elatius (L.) presl harvesting and second batch of arrhenatherum elatius (L.) presl harvesting, wherein the steps of seeding comprise that the seeding quantity is 14-15 kilograms per mu, the date of seeding is a period when the soil freezing reaches up to 10 centimeters, the depth of seeding is 5-6 centimeters, and the line spacing of drill seeding is 14-16 centimeters; fertilization is carried out with 2.6-3.0 kilograms of nitrogen per mu, 1.5-1.7 kilograms of phosphorus per mu and 1.5-1.7 kilograms of potassium per mu in seeding. According to the method for planting the arrhenatherum elatius (L.)presl in the cold region of the circumpolar latitude, the characteristics are comprehensively considered that the interannual change of the weather is large in the cold region of the circumpolar latitude, abnormal weather occurs suddenly and frequently, the cold endurance of the arrhenatherum elatius (L.) presl is strong, the tillering capacity and sprouting capacity of root systems are strong, and the growth period is short, the effective accumulated temperature, annual sunshine time and the like in the cold region of the circumpolar latitude are fully used, and the yield per unit area of the arrhenatherum elatius (L.) presl is improved.

The present invention discloses a breeding feed for ecological ducks. The breeding feed comprises the ingredients of a common duck feed and a feed additive. The feed additive is distiller's grains. The common duck feed comprises the following components in parts by mass: 10-20 parts of fly maggots, 10-20 parts of earthworms, 0.3-0.5 part of dry garlic powder, 2-6 parts of yeast powder, 10-15 parts of bran, 8-20 parts of corn flour, 4-8 parts of pine needle powder, 10-15 parts of soybean meal, 18-24 parts of arrhenatherum elatius, 6-14 parts of wheat middling, 3-5 parts of bone powder, 4-8 parts of shell powder, 1-3 parts of vitamin B, 1-3 parts of vitamin A, 6-8 parts of silkworm powder, 3-4 parts of bulbus fritillariae cirrhosae powder, 3-5 parts of pig liver powder, 3-4 parts of pumpkin seed powder, 2-6 parts of prunella vulgaris and 1-5 parts of edible salt. The various ecological substance combined ecological breeding feed is utilized to provide sufficient proteins, amino acids and trace elements for the ecological ducks, can promote the growth and development of the ducks, improves egg production rate, enhances the disease prevention and disease resistance of the ecological ducks, lowers feed costs, and ensures to produce the safer and green duck products.

The invention discloses a Yangtze-Huaihe river basin arrhenatherum elatius overwintering planting method. The invention discloses a Yangtze-Huaihe river basin arrhenatherum elatius planting method. The method comprises the steps of applying biogas manure and conducting deep ploughing in harvested soil, conduct soil preparation and drying seeds simultaneously, afterwards sowing the seeds in rows, then filling the soil after applying the biogas manure, and finally conducting operation of filed management and the like. The Yangtze-Huaihe river basin arrhenatherum elatius overwintering planting method is simple in operation, less in step, reasonable in design, wide in application range, and beneficial to promotion and popularization, the cost is reduced, the yield is effectively increased, and the growing cycle is shortened.

The invention belongs to the field of a biological control technology of arrowroot. The biological control technology of the arrowroot is realized in such a way that the larvae of more than 30000 ladybugs are bred by oat grass at one corner selected in each 5000m<2> of greenhouse; and when the incidence of mite pests is high at the seasons of spring and winter, the oat grass with the ladybugs is distributed at different places in the greenhouse, about 6000 ladybugs are placed at every 1000m<2>, then the ladybugs on the oat grass are lightly shaken off, and the oat grass is taken off. By using the invention to prevent and treat mites, the experiments of 3 years are continuously carried out in the greenhouse in which the arrowroot is planted, the effect of the invention is very obvious, a plant is free from the large-area damage of the mites, the leaves of the plant are healthy, and the malformation of the leaves, the yellowing, the diminishing of the leaves of the plant and the like do not occur. The invention can punctually supply a product for marketing according to a production plan.

The invention discloses a forage grass type fermented total mixed ration, which comprises a coarse feed and a concentrate, the coarse feed comprises the following substances by weight: 6 parts of bran, 4 parts of corn straw, 3-4 parts of corn white skin, and 13 parts of corn; the concentrate comprises the following substances in parts by weight: 29-39 parts of alfalfa, 25-35 parts of oat grass, 6-10 parts of natural forage grass, 1.3 parts of calcium hydrogen phosphate, 0.2 part of table salt, 0.5 part of soda and 1 part of premix. The total mixed ration disclosed by the invention not only can effectively preserve nutrients in the total mixed ration for a long time, but also can enlarge feed sources, can solve the difficulty that high-quality feed resources are limited, can fully utilize agricultural and sideline products, turns waste into wealth, and makes up for the problem that forage grass is short in winter.

The invention discloses lactobacillus plantarum for high-moisture oat silage. The bacillus licheniformis is preserved in the China General Microbiological Culture Collection Center on May 15th, 2019,the strain is Lactobacillus plantarum, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No. 17740. The invention also provides application of the lactobacillus plantarum in preparation of oat silage and a preparation method of the oat silage. The strain disclosed by the invention has strong comprehensive acid production capability; rapid production oflactic acid is realized, the pH is reduced, the content of ammoniacal nitrogen is reduced, the palatability of the silage is well improved, the growth of fungi is inhibited, the aerobic stability of the silage is improved, the storage life of the silage is prolonged, the nutritional quality of the oat grass silage raw material is reserved to the maximum extent, and the prepared silage is free of any additive, good in biological safety and low in preparation cost.

The invention discloses a forage grass type total mixed ration for mutton sheep. The forage grass type total mixed ration includes 1) a special total mixed ration for lamb fattening, which comprises 30% of medicago sativa, 16% of oat grass, 20% of corn germ meal, 10% of corn straw, 15% of DDGS feed and 10% of natural forage grass; 2) a special total mixed ration for fattening of fattening sheep, which comprises 20% of medicago sativa, 20% of oat grass, 24% of corn germ meal, 6% of corn straw, 24% of DDGS feed and 6% of natural forage grass; and 3) a special basic total mixed ration for ewe fattening, which comprises 30% of medicago sativa, 15% of oat grass, 20% of corn germ meal, 10% of corn straw, 20% of DDGS feed and 5% of natural forage grass. According to the total ration, the daily gain of the sheep can reach 229.29 g or above, the content of glutamic acid, glycine and other amino acids as well as linoleic acid and other long-chain polyunsaturated fatty acids in mutton is remarkably increased, and the mutton quality is improved.

The invention relates to the technical field of ruminant feed. The invention discloses a daily ration for preventing ruminant foam type rumen flatulence. The daily ration comprises the following components in parts by weight: 25-30 parts of corn, 5-10 parts of wheat bran, 15-25 parts of a cake feed, 10-25 parts of oat grass, 20-35 parts of ramie, 1.3-2.0 parts of an inorganic additive, 0.5-2 partsof a premix and 5-10 parts of plant peel residues. The preparation method comprises the following steps: carrying out superfine grinding and high-pressure cooking on the corn, the wheat bran, the cake meal feed and the plant skin residues to obtain a first component; and mixing the first component with oat grass, ramie, an inorganic additive and the premix to obtain a second component. The dailyration disclosed by the invention is rich in dietary fibers, proteins, saccharides and trace elements required by ruminant production, and can inhibit the loss of nutrients of the daily ration by microorganisms in rumen, thereby inhibiting the generation of methane in rumen.

The invention relates to the technical field of artificial grassland planting, in particular to a planting method of harvesting both arrhenatherum elatius and feed brassica napus in a high-altitude cold region. The main technology includes the steps that when 10 cm of early spring soil defrosts, arrhenatherum elatius is sowed and is harvested in a grain filling stage; then, root systems and tillers during first harvest are removed, no land needs to be levelled, feed brassica napus is directly resowed and is harvested before a final flowering stage. According to the technology, the high-altitude cold region has the climatic features of being low in temperature, windy, sandy, short in frost-free period, limited in accumulated temperature and the like during early spring, and the climatic features of the high-altitude cold region are comprehensively taken into account; arrhenatherum elatius and feed brassica napus are sowed in sequence in two rounds, effective accumulated temperature, annual sunshine duration and the like in the high-altitude cold region are fully utilized, the soil utilization efficiency of unit area is improved, and the yield of arrhenatherum elatius and the yield of feed brassica napus are increased. By adopting the technology in the high-altitude cold region, the problem of prataculture and stockbreeding development weakness in the high-altitude cold region, namely insufficient high-quality pasture supply can be solved to the maximum degree, high-quality pasture is provided for local prataculture and stockbreeding development, and then rapid and healthy prataculture and stockbreeding development is promoted.

The invention relates to the technical field of artificial grassland planting and in particular relates to a method for planting oat grass by utilizing a pointer type irrigated area arid corner of anarid region. The method comprises the following steps: selecting oat seeds, treating the seeds, carrying out land preparation and fertilizer application, sowing the seeds, carrying out field management and harvesting the oat grass. In the step of sowing the seeds, a sowing region is the pointer type irrigated area arid corner and the seed sowing amount is 16 to 17kg / Mu; a sowing period is a periodafter a sowing period of crops in an irrigated area; the sowing depth is 5 to 6cm and the drill spacing is 14 to 16cm. According to the method provided by the invention, the characteristics of strongdrought resistance, high water utilization efficiency and rapid growth of oat are utilized and are combined with reasonable application of phosphorus fertilizer, i.e., basic fertilizer, and the growth of roots and the increasing of tillering are improved, so that the drought resistance of seedlings in a growth process is improved and the increasing of the tillering number of the oat grass is facilitated; meanwhile, a dense planting technology is adopted, ridges are rapidly sealed and a population photosynthesis effect is increased, so that the accumulation of biomasses is facilitated. The technology provided by the invention facilitates the utilization of fertilizer and cultivated land resources and the production of local high-quality feeding grass is improved.

The invention discloses a camellia oleifera abel container seedling culture matrix, which comprises the following raw materials: arrhenatherum elatius, wheat bran, pueraria lobata, river sand, bamboo charcoal powder, suaeda salsa, chitosan and an EM agent. According to the present invention, the cultivation matrix uses the plant salt-rich suaeda salsa as the mineral source of the camellia oleifera abel, and through the EM agent fermentation, the active component in the cultivation matrix can be increased, the dissolution of the mineral in the suaeda salsa can be promoted, the types of the nutrients in the cultivation matrix can be optimized, and the good growth promotion effect can be provided for the camellia oleifera abel.

The invention relates to fermented feed for lactating cows. The fermented feed is characterized by being prepared from fermentation substrates and a microbial inoculum by fermentation, wherein the mass ratio of the microbial inoculum to the fermentation substrates is (0.2-5):500000; the fermentation substrates comprise 3%-10% of alfalfa, 5%-15% of oat grass, 7%-35% of paddy rice straw, 1%-5% of molasses, 13%-30% of corn, 2%-8% of maize germ meal, 5%-15% of brewer's grains, 5%-15% of bean meal, 1%-3% of a premix and 10%-20% of water, and the content is in mass percent; and the total water content of the fermentation substrates is 35%-40%. The fermented feed can substitute for partial alfalfa and oat grass in pasture TMR, and cannot affect the production performance of primiparous cows and multiparous cows; and as a raw material for TMR production in cow breeding in China, the fermented feed can effectively reduce the consumption of the alfalfa and the oat grass used on the lactating cows in pasture production, and reduce dependence of cow production in China on the alfalfa and the oat grass.

The invention discloses a medicine for treating spleen-lung qi deficiency infantile enuresis. The medicine comprises white fungus, companumoea roots, the herb of wilson passionflower, American ginseng, coix seeds, the herb of wight parnassia, water chestnut, reeves shad, roots of caragana sinica, dracontomelon duperreanum, fructus aurantii, camphor roots, shepherd's purse, hairyvein agrimony, stephania sinica diels, mentha haplocalyx, rhizoma cibotii, begonia wilsonii, agaric, codonopsis convolvulacea, bloody clam, Korean pine seeds, sugarcane, pork liver, the roots of franchet peashrub flowers, mandarin fish, arrhenatherum elatius, themeda triandra fruits and acanthopanax. The medicine has the effects of reinforcing lung to replenish qi, invigorating spleen and stomach, benefiting qi, nourishing blood and stably securing the exterior, is mainly used for treating spleen-lung qi deficiency infantile enuresis in an internal and external application mode, achieves curing and healing at the same time, is made of pure natural traditional Chinese medicinal materials, attaches great importance to the overall concept, is high in targeting property and effective in treatment, has few adverse effects, can improve overall immunity, control disease in time and reduce complications, and the like.

The invention belongs to the technical field of pet feeds, and particularly relates to a pet cat feed formula and a preparation method thereof. The pet cat feed formula is characterized by comprisingthe following raw materials in parts by weight: 1-10 parts of catnip, 1-10 parts of oat grass and 1-10 parts of silvervine actinidia. The pet cat feed formula does not contain additives, uses pure natural plants, can regulate the emotion of cats and relieve the emotion of the cats, can increase the food intake of pets when being used together with the pet feed, and meanwhile, can help to clean teeth when being bitten by toys coated with the silvervine actinidia, and can increase the water drinking desire of the cats when being scattered into water.

The invention discloses a feed additive capable of preventing and treating swine enzootic pneumonia. The feed additive is prepared from the following raw materials: bamboo shavings, curcuma aromatica, thunberg fritillary bulb, common hogfennel root, dandelion, sambucus williamsii hance, trachelospermum jasminoide, lycoris sprengeri, mucuna sempervirens, nandina, zephyranthes candida, hymenocallis littoralis, gendarussa vulgaris, arrhenatherum elatius, rhizoma pinelliae preparata, prunus zippeliana, vermiculite schist seu, clam shell, chitosan and compound enzyme. The feed additive, provided by the invention, capable of preventing and treating the swine enzootic pneumonia is weak acid in taste, and beneficial to promoting appetite, food intake is increased, weight gain is great, the swine enzootic pneumonia is effectively prevented and treated, and incidence is reduced to 0-1%; chitosan is added, nutritional ingredients are enriched, the additive is kept in a stable liquid state, addition amount is small, and application is convenient; and multiple traditional Chinese medicine ingredients are added, compatibility is scientific, pharmacological effects supplement each other, antisepsis and anti-inflammation are realized, no antibiotic or hormone is added, resistance to drugs can not be produced, and immunity is fundamentally enhanced, so that meat quality is delicious, health function of pork is enhanced, no medicament residue is produced, and grade of the pork is obviously improved.

The invention discloses a forage grass feed and a preparation method thereof. The forage grass feed comprises the following ingredients in percentage by weight: 15-25% of desmodium heterocarpum, 15-25% of arrhenatherum elatius, 10-15% of crop stalk, 40-50% of alfalfa, 10-15% of bean cakes, 5-10% of herba plantaginis, and 1-3% of a feed additive. The forage grass feed is capable of reducing breeding cost to the maximum extent so as to increase beef cattle feed effects and economic benefits; moreover, moreover, pollution to the environment caused by waste processing is also avoided.

The invention discloses a spray for treating infant lung-kidney-deficiency type asthma and a preparing method thereof. The spray is prepared from asarum caudigerellum, wild walnut kernels, asarum himalaicum, aster fastigiatus, polemonium caeruleum, liquorice, wild ginger, lacebark pine cones, wolfberry fruits, rhizoma polygonati, herba pyrolae, diaphragma juglandis, frog orchid tubers, astragalus membranaceus, acanthopanax roots, themeda triandra fruits, oat grass, rhodiola rosea, radix ranunculi ternate, Chinese dates, Chinese lizardtail rhizomes, menyanthes trifoliate, junci medulla, spina date seeds, polygala tenuifolia, radix stemonae, rauvolfia verticillate, rhizoma anemarrhenae and orchis. The spray has the advantages that the medicinal materials are used for treating infant lung-kidney-deficiency type asthma, and has the effects of warming the lung, eliminating phlegm, tonifying the kidney, securing the exterior, tonifying qi, calming the nerve, decreasing internal heat and strengthening the heart; due to basic scientific nursing, the effect is good, effect taking is rapid, replasing is not prone to occurrence, toxic and side effects are avoided, the spray is quite suitable for being taken by the infant age group.

The invention discloses a traditional Chinese medicine for treating anaphylactoid purpura caused by qi dysfunction in blood control. The traditional Chinese medicine is prepared from velutinous indigo root, silverweed cinquefoil root, jade hibiscus, oat grass, Tibet Chinese yam, gynostemma pentaphylla, phoenix hawksbeard root, jenkine dendrobium, asarum caulescens maxim andliquorice. The traditional Chinese medicine can be clinically applied to treatment of anaphylactoid purpura caused by qi dysfunction in blood control.

The invention provides a method for cultivating oats by using mixed soil of domestic sludge and aeolian sandy soil and belongs to the technical field of agricultural production. The method comprises the following steps: (1) selecting a paper cup, and forming a circle of small holes in the paper cup so that water can enter the mixed soil through the small holes; (2) mixing domestic sludge and aeolian sandy soil, grinding, and sieving with a sieve for later use to obtain mixed soil; (3) sterilizing; (4) selecting full seeds with the same size, soaking the seeds in a rooting solution overnight, washing the seeds with sterile water, and airing the seeds for later use; (5) sowing; (6) placing the seeds in an artificial climate incubator to cultivate robust oat seedlings; (7) performing field management: planting the seedlings in a field, weeding between a tillering stage and a jointing stage, and harvesting oat grass. According to the method, the domestic sludge and the aeolian sandy soil which is difficult to use are improved and utilized, the cultivated oats are fast and neat in seedling emergence, and a feasible, convenient and fast planting method is provided for oat cultivation.

The invention discloses a strain of Lactobacillus plantarum used for high-moisture oat silage, which was preserved in the General Microbiology Center of China Microbiological Culture Collection Management Committee on May 15, 2019. The strain is Lactobacillus plantarum, and the preservation number is CGMCC No.17740. The invention also provides an application of the plant lactobacillus in preparing oat silage and a preparation method of oat silage. The bacterial strain of the present invention has strong comprehensive acid production ability, can quickly generate lactic acid, lower pH, lower the content of ammoniacal nitrogen, improve the palatability of silage, inhibit the growth of fungi, help improve its aerobic stability, and prolong silage The storage period is long, the nutritional quality of oat grass silage raw materials is retained to the greatest extent, the prepared silage does not contain any additives, the biological safety is good, and the preparation cost is low.

The present invention discloses a pumpkin residue feed with an effect of shrimp motion activity improving, and a preparation method thereof, wherein the raw materials comprise, by weight, 250-270 parts of pumpkin residue, 2-3 parts of zanthoxylum bungeanum shell, 14-17 parts of arrhenatherum elatius, 7-8 parts of barley kernel, 5-7 parts of DDGS, 3-4 parts of chicken bone oil, 3-4 parts of lactuca sativa var longifoliaf. lam, 1-2 parts of carrot leaves, 2-3 parts of apple pericarp, 23-26 parts of soy protein isolate, 2-3 parts of citrus reticulata blanco leaf residue, 5-8 parts of banana residue, 0.3-0.5 part of baker's yeast, 3-4 parts of leonurus artemisia powder, 2-3 parts of hawthorn powder, 2-3 parts of cuttlefish bone powder, 1-2 parts of soybean phospholipid, and 1-2 parts of a yeast extract. The pumpkin residue feed of the present invention has characteristics of aroma, feeding attraction, good palatability, shrimp motion activity improving, shrimp mental status improving, shrimp life vitality enhancing, shrimp immunity improving, shrimp growth and weight gain promoting, feed digestibility improving, material consumption reducing, and feed cost reducing.

The invention relates to a'winter oat grass + summer corn 'planting mode in Huang-Huai-Hai region, which comprises the following steps: (1) sowing oat grass from late October to early November with the effective sowing rate of 6 kg / mu; (2) from the end of March to the beginning of April, irrigating and topdressing when the highest stem node of the oat is 15cm above the ground, and harvesting oat hay or silage in May; (3) after the oat grass is harvested, the late-maturing corn is sown as early as possible in a no-tillage and stubble-attaching mode; and (4) harvesting whole corn silage in mid-to-late September, or harvesting grains in late at proper time in October. The overwintering problem of autumn-sown oat grass is effectively solved, the yield is higher than that of spring-sown oat grass by 40% or above, and the sowing amount is reduced by 40%; autumn sowing oat grass is late in sowing and early in harvesting, early planting and late harvesting of corn can be achieved, and the yield of high-quality forage grass per unit area is increased.

The invention discloses a field crop multiple cropping planting method. The planting method comprises the following steps: planting in a medium-temperature zone with northern latitude of 41 degrees 40 minutes to 44 degrees 84 minutes; (1) conducting first-season planting, specifically, sowing oats, wheat, peas, flax or rape in late March; and (2) conducting multiple cropping of soybean or corn. In the implementation process, the land utilization rate is effectively increased, the use amount of chemical fertilizer and pesticide is reduced, produced soybeans are high-oil soybeans, the quality of the soybeans is improved, farmer benefits are increased, as the oat grass emerges early, green earth surface coverage can be formed in mid-to-late April and is earlier than one-season corn by one month, black soil loss caused by strong wind erosion in early spring is reduced, and the black soil and the ecological environment can be effectively protected.

The present invention discloses a feed for black-bone rams in a mating period and a preparation method of the feed. The feed for the black-bone rams is prepared from the following raw materials in parts by weight: 30-40 parts of oat, 30-40 parts of barley, 10-20 parts of soybean meal, 5-10 parts of black beans, 10-15 parts of wheat bran, 20-30 parts of alfalfa, 10-15 parts of carrots, 10-15 partsof arrhenatherum elatius, 3-5 parts of eggs, 7-10 parts of fish meal, 5-8 parts of bone meal, 5-10 parts of Chinese yams, 5-10 parts of Chinese wolfberry fruits, 1-3 parts of edible salt, 0.2-0.5 partof protein powder, 0.2-0.5 part of arginine, 0.2-0.5 part of vitamin and 0.1-0.3 part of trace element. The feed for the black-bone rams in the mating period can improve physiological activity of theblack-bone rams in the mating period and quickly recover physical strength, enhance body constitution, and improve performance, semen quality and conception rate of the black-bone rams.