237 results about "Pennisetum purpureum" patented technology

The invention discloses a quick-growing high-yield and high-efficiency carbon-catching cultivation method of pennisetum alopecuroides and pennisetum purpureum schumach. According to the method, vegetative propagation is conducted on the pennisetum alopecuroides, the pennisetum purpureum schumach and breeds cultivated after the pennisetum alopecuroides and the pennisetum purpureum schumach are crossed through stems, wherein the breeds comprise pennisetum hydridum, pennisetum purpureum schum ev, crossed pennisetum alopecuroides and the like. Exclusive quick propagation, high-yield cultivation, multi-time harvesting and scientific burying technologies are adopted to achieve quick growing, high yields and high-efficiency carbon sequestration burying of the pennisetum alopecuroides, the pennisetum purpureum schumach and crossed breeds of the pennisetum alopecuroides and the pennisetum purpureum schumach, and accordingly the artificial propagation, cultivation and carbon sequestration burying method of the pennisetum alopecuroides and the pennisetum purpureum schumach is created. By utilizing the method, fresh products of the pennisetum alopecuroides or the pennisetum purpureum schumach can be harvested with an amount of 75-150t / hm<2> for one year, and a maximum amount of 450t / hm<2>. The method ensures that planting, burying, and large-sale and industrialized production of the pennisetum alopecuroides, the pennisetum purpureum schumach and crossed breeds of the pennisetum alopecuroides and the pennisetum purpureum schumach are possible to happen, achieves negative increase of discharge capacity of CO2 in the atmosphere, and releases greenhouse effects of the atmosphere.

The invention relates to Pennisetum purpureum Schum-derived bacillus megaterium and a use thereof and belongs to the technical field of microbes. The Pennisetum purpureum Schum-derived bacillus megaterium pp02 has a class name of Bacillus megaterium pp02, is preserved in the China general microbiological culture collection center (CGMCC) and has a preservation number of CGMCC 9415. The Pennisetum purpureum Schum-derived bacillus megaterium has iron-producing carrier, azotification and IAA production characteristics, has an IAA yield of 10.57 microgrammes per milliliter, has a strong plant root colonization ability and good salt resistance, can grow in a culture medium containing 5% of NaCl (50g / L) and is an excellent plant growth promoting endophyte strain. Through infection of hybrid pennisetum with the Pennisetum purpureum Schum-derived bacillus megaterium, plant salt resistance is substantially improved, plant growth is promoted, and fresh weight, dry weight and height of the plant above the ground are substantially improved. The Pennisetum purpureum Schum-derived bacillus megaterium has important development and application prospects in study of hybrid pennisetum microbial fertilizer and promotion of growth and development of plants in saline marginal land.

The invention discloses a chick feed for promoting digestion and absorption and a preparation method for the chick feed. The chick feed is prepared from the following raw materials in parts by weight: 230-240 parts of corn powder, 50-60 parts of rice bran, 30-40 parts of crab shells, 15-17 parts of sweet elephant grass, 20-26 parts of rice vinegar grain, 20-30 parts of pennisetum hydridum, 8-14 parts of tealeaf residues, 7-11 parts of fishbone powder, 25-30 parts of screw clam meat, 10-12 parts of celeries, 4-6 parts of pear leaves, 3-5 parts of toona sinensis leaves, 5-6 parts of hindu lotus seedpod, 6-7 parts of hawthorns, 1-3 parts of palm barks, 4-5 parts of siberian elm barks, 2-3 parts of puerarin, 5-9 parts of pericarpium citri reticulatae, 2-4 parts of calcium hydrogen phosphate, 5-7 parts of montmorillonite powder and 6-8 parts of a nutrition additive. According to the chick feed, corns are used as main raw materials, and the rice bran, the crab shells, the sweet elephant grass, the rice vinegar grain and the like are used as auxiliary materials, so that the prepared feed is rich and complete in nutrition; the added traditional Chinese medicine components can promote the intestines and stomach digestive functions of chicks; calcium hydrogen phosphate and the montmorillonite powder can be used for preventing diarrhea and flatulence; meanwhile, intake of the chicks is promoted, so that chicken meat is higher in quality; garlic powder can be used for effectively improving the disease-resistant and anti-microbial capacity of the chicks, so that the occurrence rate of other diseases is reduced.

The invention provides a pig feed containing a Chinese herb additive. Pennisetum purpureum and moringa oleifera that are planted on a large scale are adopted as the main feed, corn, soybean meal, rice bran and other raw materials are added to achieve comprehensive nutrition and high palatability, also licorice, radix bupleuri, radish seed, codonopsis pilosula, lily, radix isatidis, radix saposhnikoviae, dried tangerine peel and other Chinese herbal medicines are added, so that the pig feed can tonify middle-Jiao and replenish Qi, strengthen the pig constitution, enhance immunity, and effectively prevent and treat pig asthma, cough and other diseases. The formula involved in the invention does not contain antihormone and is green and natural, the pork quality is good, and at the same time the food safety is ensured.

The invention discloses a cultivation method of sweet elephant grass. The cultivation method comprises adopting mature sweet elephant grass stem sections as seedlings, performing cultivation in an asexual mode and performing rapid expanding propagation through stem section cutting or root stock plant division transplanting; directly planting on the field when the soil, climate and management conditions are good; performing watering every day in the seedling growing period to maintain the moist soil, performing once topdressing of organic fertilizer and compound fertilizer until plants are grown to 60 cm height and combining with soil loosening to perform once watering and topdressing in two days after every time harvest; harvesting which comprises performing interlacing harvest from spring to early summer, wherein the harvest height is 2.5 to 3.5 m. According to the cultivation method of the sweet elephant grass, different operation processes are implemented according to the four seasons and accordingly the yield per mu of the sweet elephant grass can be improved by 60 to 70 tons, the quality of the sweet elephant grass is high, the requirements of the livestock and poultry industry can be met, the economic benefit is improved, the investment return period is shortened, and the agricultural sustainable development is implemented.

The invention relates to an screening method in vitro of elephant grass salt-tolerant somatic mutant belongs to a field of agricultural biotechnology. The process is: granular callus is transferred into proliferation medium with 16g / L NaCl, into differentiation medium with 16g / L NaCl after 45 days, and into rooting medium with no NaCl after 35 days to get regeneration plant; pot salt-tolerance identification of the regeneration plant is applied after tidal flat field comprehensive agronomic characters evaluation and grass-production measurement to get plants of which the fresh grass yield is higher than a control by 23.8% in tidal flat field with pH8.67-9.01; the fresh grass increment of the first time and the second tiome of cutting for the clonal progeny of the plants is higher than the control by 9.2% and 7.4% respectively in 1 / 2Hoagland nutrient solution with 8.25g / L sea-salt; therefore, the salt-tolerant somatic mutant of good comprehensive agronomic characters and significantly high salt-tolerance is selected. The invention has the advantages of simple-operation, short-cycle, and high selection efficiency.

The invention belongs to an elephant grass-mushroom fungus crop rotation combined recovery technique for heavy metal polluted soil of farmlands in the technical field of resources and environment, which comprises the following steps: elephant grasses and mushroom fungi are planted by means of crop rotation on the polluted farmlands to enrich heavy metal ions in the soil; when the elephant grasses and the mushroom fungi in the treated lands are mature, the elephant grasses and mushroom fungi are harvested respectively and thrown into a biogas tank according to a specific proportion of the elephant grasses and mushroom fungi for bio-decrement and fermentation production of biogas; a biogas liquid undergoes chemical precipitation, and the heavy metal ions in the biogas liquid are removed; and deposits and biogas residues are accumulated and buried. The elephant grasses have the characteristics of strong capacity of enriching the heavy metal ions, large biomass and promotion of the growth of the mushroom fungi; the mushroom fungi have the characteristics of strong capacity of enriching the heavy metal ions, short growth cycle and easy after-treatment; when the elephant grasses and the mushroom fungi are combined to recover the heavy metal polluted soil, high recovery efficiency can be achieved; the chemical precipitation method in the subsequent treatment can eliminate heavy metal environmental pollution fundamentally; and the overall recovery effect of elephant grass-mushroom fungus crop rotation combined recovery technique is as follows: 15 to 30 percent of polluted heavy metals in cultivated horizons of the farmlands are removed each year.

The invention discloses a fragrant pig feed and belongs to the technical field of feeds. The fragrant pig feed comprises the following raw materials in parts by weight: 30 to 50 parts of big-leaf fast-growing sophora japonica, 30 to 50 parts of sweet grass, 15 to 20 parts of a vitamin additive, 60 to 80 parts of extruded corn, 30 to 50 parts of fermented soybean meal, 8 to 15 parts of yam flour, 10 to 15 parts of auxiliary material, 60 to 80 parts of water and 20 to 30 parts of complex beneficial microorganism, wherein the auxiliary material is a Chinese traditional herb feed additive. The original flavor and quality of Bama miniature pigs fed by the feed disclosed by the invention are kept. Due to the special effects of the big-leaf fast-growing sophora japonica and the like which comprise a great amount of excellent growth factors, the fragrant pigs are more mellow in meat, are more delicious in taste; lean meat of the fragrant pigs is fine and mellow; fat meat of the fragrant pigs is crispy; soup prepared by the fragrant pigs is thick and white, and the endless aftertaste is achieved; not only is healthy and green meat which is attractive in price and quality and is nuisanceless produced, but also loss of grain feeds is greatly reduced, the cost is reduced and economic benefits are increased.

The invention discloses a method for rapidly standing elephant grass cutting seedlings in coastal mud flat saline-alkali lands, which specifically comprises the steps of: transplanting elephant grass cutting seedlings raised in nutrition pots on May 1 approximately, digging holes and planting the seedlings in the mud flat saline-alkali lands with salt content being four-thousandth to seven-thousandth, pruning excessive leaves, irrigating with root stimulating agent, covering with sea couch grass and cooperatively watering freshwater to enable the elephant grass cutting seedlings to rapidly root and stand in the saline-alkali lands. Therefore, the problem that a large area of elephant grass cutting seedlings die after the elephant grass cutting seedlings are transplanted in the mud flat saline-alkali lands with the salt content being four-thousandth to seven-thousandth is solved.

The present invention discloses to feed mulberry and feed ramie mixed complete materials for a beef cattle, and relates to the technical field of feeds. The mixed complete materials consist of the following raw materials in percentages by mass: 10-15% of feed mulberry powder, 0-10% of feed ramie powder, 0-5% of pennisetum purpureum powder, 0-5% of sweet sorghum powder, 40-50% of corn flour, 0%-15% of soybean meal, 5%-15% of wheat bran, 5%-12% of dry distillers' grains, and 3%-8% of beef cattle premixes. The raw materials are crushed, the crushed raw materials are screened, the screened raw materials are mixed, the mixed raw materials are stirred evenly, the beef cattle premixes are added, an appropriate amount of an antioxidant is added, the mixture is stirred evenly to obtain the mixed materials, the mixed materials are granulated into granular materials, the granular materials are finally cooled, and the cooled granular materials are dried to obtain the finished products. The feed is mainly used for the breeding and fattening of the beef cattle in a growing and fattening period, can significantly reduce the use amount of grain protein powder and reduce the culturing costs under the conditions of ensuring no reduction of production performance of the beef cattle, can also balance the structure of daily grains, and reaches the effects of improving daily weight gains, improving slaughtering rates, and shortening the fattening effects in a fattening cycle.

The invention discloses a white fungus culture medium and a preparation method of the white fungus culture medium. The white fungus culture medium is prepared by the following raw materials in parts by weight: 25-40 parts of sweet grassiness, 10-15 parts of rubber seed cake, 20-30 parts of needle mushroom dregs, 15-19 parts of chestnut shell powder, 10-15 parts of legume shell powder, 5-10 parts of burdock peel, 20-26 parts of rapeseed dregs, 8-13 parts of soy sauce residure, 4-8 parts of secondary powder, 1-3 parts of gypsum, 2-3 parts of egg shell powder, 1-2 parts of medical stone powder and 5-10 parts of nutrition additives. According to the white fungus culture medium, main raw materials are extensive in source, nutrition is sufficient and rich; meanwhile, the added needle mushroom dregs is easily absorbed by the fungus; the economy and environmental protection are achieved; the cost is reduced; the conventional forest material culture is changed and replaced; the pressure of forest resources can be relieved; the white fungus obtained by the culture medium are high in biological transformation rate and sufficient in nutrition, the obtained white fungus great in thickness and diameter, and is transparent and white in color and luster.

The invention provides a processing method of ramie and pennisetum purpureum mixed silage, and belongs to the field of feed additives. The processing method comprises the following specific steps: mixing 60%-80% of pennisetum purpureum and 20%-40% of ramie to obtain silage; then spraying fermentation liquor to the silage, spraying an additive at the same time, and then performing fermentation. Thefermentation liquor comprises compound bacteria, compound enzyme and water, and the compound bacteria comprise lactobacillus plantarum, lactobacillus buchneri, pediococcus pentosaceus and bacillus subtilis; the compound enzyme comprises cellulase, xylanase and laccase; and the additive comprises calcium propionate, molasses, urea, ethanol and water. According to the processing method of the silage, ramie and pennisetum purpureum mixed silage is adopted, nutrients are complemented, the fermentation liquid and the additive are combined for fermentation, the defect that ramie and pennisetum purpureum silage is difficult to silage is overcome, the dry matter and crude protein content and lactic acid bacteria of the silage are increased, and the crude ash content, the acid washing fiber content, the lignin content and the pH value are reduced.

The invention discloses a method for raising phasianus colchicas by using napier grass and relates to the field of chicken culture. The raising is divided into three stages, i.e., chickling raising, growing chicken raising and grown chicken raising, a feed formula adopted during the raising of each stage comprises a concentrated feed, fermented napier grass and a premix, proportioning ratios of the concentrated feed to the fermented napier grass to the premix in the three stages are all different, and the proportion of the fermented napier grass gradually increases; the fermented napier grass is prepared through fermenting 4 kinds of microbes, i.e., streptomyces, white-rot fungi, Lactobacillus acidophilus and Streptococcus lactis with peptone, molasses, calcium chloride, potassium sulfate, magnesium sulfate and citric acid jointly. According to the method for raising the phasianus colchicas, disclosed by the invention, the quality of fermentation of the napier grass is improved, and the quality of chicken is further improved; the raising ratio of the concentrated feed to forage is reasonably prepared according to growth characteristics of the phasianus colchicas, so that the aims of saving the concentrated feed, reducing the cost and improving the economic benefit are achieved.

The invention discloses feed capable of guaranteeing high yield and high income of blunt-snout bream and a preparation method of the feed. The feed comprises the following raw materials in parts by weight: 130-150 parts of barley flour, 120-140 parts of corn flour, 80-100 parts of oat powder, 70-90 parts of soybean cake powder, 70-80 parts of bran, 20-30 parts of leaves of asparagus lettuce, 30-40 parts of pennisetum purpureum Schumach, 3-4 parts of pumice, 30-40 parts of fish meal, 10-20 parts of animal liver meal, 3-4 parts of korsakow monochoria herb, 2-3 parts of cochinchinese asparagus root, 2-4 parts of radix ophiopogonis, 0.5-1 part of subprostrate sophora, 3-4 parts of dogwood, 6-8 parts of chicken bones, 8-10 parts of pig tendons, 0.2-0.4 part of salt, 0.5-0.8 part of pricklyash peel, 0.5-1 part of netmeg, 1-2 parts of sesame grains, 3-4 parts of oil, 8-9 parts of beet root, 13-15 parts of pumpkin peel, 20-30 parts of rice bran, 5-7 parts of fishbone dust, 10-15 parts of a phagostimulant and a proper amount of water. According to the feed disclosed by the invention, the defects that traditional feed for blunt-snout bream is simple in components, deficient in energy, bad in taste and low in disease resistance, blunt-snout bream fed with the traditional feed is slow in growth, prone to disease infection and low in yield, and the like are overcome, and the prepared feed is high in nutrition and good in taste and has the effects of promoting the growth and weight increment of blunt-snout bream, shortening the growth period of blunt-snout bream, enhancing the resistance to pathogenic bacteria of blunt-snout bream and increasing economic benefits of blunt-snout bream breeding.

In the nature, dictyophora indusiata grows on bamboo humus, and nutrition is obtained in a way that rotten bamboo organic matters are decomposed by mycelia. Bamboo rats also known as Mangli, Zhuli and the like belong to mammalia rodentia rhizomyidae rhizomys, and are named because staple food is bamboo. The bamboo rats are rich in nutritional value and high in economic effect, and are bred in a large scale at present. At present, a crude feed for artificially feeding the bamboo rats mainly comprises bamboo (accounting for 50% of the feed), other crude feeds comprise neyraudia reynaudiana, saccharum arundinaceum, miscanthus floridulus, pennisetum purpureum and pennisetum sinese roxb seeds, and a fine feed is starch grains (accounting for 10% of the feed). The feeds are digested to form feces through bamboo rat unique digestive tracts and digestive enzymes. The bamboo rat feces contains cellulose, hemicellulose and lignin obtained from microorganism and enzyme decomposition and conversion, and also contains a certain amount of proteins, starch, wax, fat and resin. The feces also contains amino acids, various effective trace elements, various vitamins, saccharides, carbohydrates and the like, and is rich in nutrition. The bamboo rat feces can be supplied for dictyophora indusiata growth without stacking and fermentation, and is an important cultivation base for formation of high-quality dictyophora indusiata.

A method for three-dimensional cultivating pennisetum purpureum and eucalyptuses includes the steps of preparing eucalyptus planting areas; three-dimensional cultivating pennisetum purpureum and eucalyptuses; tending management of pennisetum purpureum and eucalyptuses; and rear period management of pennisetum purpureum and eucalyptuses. Since eucalyptuses are tall, heliophile and deep-rooted, and pennisetum purpureum is low, shade tolerance and shallow rooted, pennisetum purpureum is planted between rows of an eucalyptus planted forest to establish a three-dimensional eucalyptuses and herbage ecological composite group, promote growth of eucalyptuses, and make full use of ground and underground nutrition spaces. The biological yield and land utilization efficiency per unit woodland area are improved, sand and soil are reserved, and water and soil loss can be reduced. Ecological sustainability is maintained, and eucalyptus industrial transformation and efficient construction are promoted.

The invention belongs to the technical field of chicken feeds and particularly relates to a Jinling broiler feed prepared from purple vanilla, alfalfa and kudzu vines as primary materials and a preparation method thereof. The Jinling broiler feed is prepared from purple vanilla, alfalfa, kudzu vines, a vitamin premix, a mineral premix, table salt and microbial compound bacteria. The Jinling broiler feed prepared from purple vanilla, alfalfa and kudzu vines as primary materials provided by the invention achieves energy-protein balance, is good in palatability, improves the daily food consumption and the daily gain of the Jinling broiler. The laying rate, the protein content of eggs and the eggshell hardness are also improved, and the contents of fat and cholesterol in the eggs are reduced.

The invention discloses an easily digestible feed for sow in a lactation period. The feed is prepared from the following raw materials in parts by weight: 60-70 parts of peanut pulp, 60-70 parts of palm kernel pulp, 20-25 parts of corn fibers, 20-25 parts of green bean starch, 1-2 parts of maca, 2-3 parts of ramie roots, 3-4 parts of hemerocallis fulva, 10-13 parts of figs, 10-13 parts of malts, 20-25 parts of pennisetum purpureum schum., 8-12 parts of pennisetum sinese roxb, 10-14 parts of soy protein powder, 3-4 parts of yeast, 3-4 parts of a phagostimulant and a proper amount of water. The easily digestible feed for sow in the lactation period disclosed by the invention is prepared by a series of processes such as fermentation and puffing by taking peanut pulp, palm kernel pulp, corn fibers and green bean starch as primary raw materials. The feed is free of antibiotics, high in safety and absolutely safe and nutritional to sows in the lactation period. The feed not only is tasty and easily digestible, but also can be used for enhancing the immunity of the sow, so that the feed is a green and health nutritional feed.

The invention relates to a method for quickly propagating grassiness, belonging to the technical field of plant cell engineering. By taking young spikes of grassiness as materials, the grassiness cell engineering seedlings are quickly propagated by callus induction, clump bud induction and clump bud multiplication and root-strengthened culture; one young spike can generate 85 to 406 cell engineering seedlings by expanding propagation once; the average propagation coefficient of the cell engineering seedling is 198 plants / spike; the transplanting survival rate for cell engineering seedling greenhouse or field seedbed is 98%; and after the growth for more than 30 days, the young spikes can be taken as seedlings for field planting. The method can overcome the defect that the known method for regenerating the culture plants of grassiness cells can not induce the clump buds; furthermore, the method in the invention is a beneficial supplementation for the existing technologies of asexual propagation of grassiness seed stems and propagation-expanding of cell engineering of seed stems, has the advantages of having high propagation coefficient, conveniently obtaining materials, simple and convenient operation, and provides technical supports for the industrial application of the grassiness.

The invention relates to the field of feed and processing technologies thereof, and particularly relates to pennisetum purpureum biological feed and a preparation method and a purpose thereof. The pennisetum purpureum biological feed is prepared by mixing and fermenting pennisetum purpureum, auxiliary materials and probiotics in a weight ratio of (20 to 30):(10 to 15):(1 to 3), the pennisetum purpureum is fermented mainly through the probiotics and cellulase degrading enzyme, fiber in the pennisetum purpureum is softened and degraded after fermentation of the pennisetum purpureum, so that the palatability of the pennisetum purpureum is improved and the storage life of the pennisetum purpureum is prolonged. By using the preparation method to produce the pennisetum purpureum biological feed, the pennisetum purpureum can be preserved for over two years, and further, the pennisetum purpureum biological feed is a culture medium suitable for growth of beneficial microorganisms. After an animal eats the pennisetum purpureum biological feed, the beneficial microorganisms in the body of the animal are fermented and then propagate, thereby effectively improving animal digestion, and playing an important role in reducing odor of animal waste and improving the animal house environment.

The invention discloses a peacock growth promoting feed and a production method thereof. The peacock growth promoting feed comprises the raw materials in parts by weight: 230-250 parts of corn flour, 180-210 parts of sorghum flour, 13-18 parts of fish flesh, 5-8 parts of fly maggot, 3-5 parts of silkworm chrysalis, 2-3 parts of table salt, 0.5-1 part of a ginger powder, 2-3 parts of astragalus membranaceus, 1-2 parts of codonopsis pilosula, 2-3 parts of rhizoma atractylodis macrocephalae, 1-2 parts of suberect spatholobus stem, 2-3 parts of Chinese wolfberry, 13-14 parts of lesser duckweed, 10-12 parts of typha orientalis presl, 21-24 parts of pennisetum purpureum schum, 14-16 parts of Chinese cabbage leaves, 5-7 parts of pineapple peel, 3-5 parts of table vinegar, 0.5-0.6 part of powdered Chinese prickly ash, 4-6 parts of a citrus juice, 5-8 parts of an enteromorpha prolifera powder, and 3-4 parts of a bactericide. The feed has refined, fine, fragrant and crisp characteristics; the prepared feed is rich in nutrients and crisp in mouthfeel, and a peacock grows and develops more rapidly, is fast in weight gaining, healthy and strong in physique, strong in vitality, loud and clear in calling, bright-colored and beautiful in feather colors and beautiful in body type, and does not get sick.

The invention discloses sheep feed taking cassia alata Linn as a raw material and a preparation method of the sheep feed, belongs to the technical field of feed. The sheep feed is prepared from the following components: cassia alata Linn powder, dry pennisetum purpureum schumach, corn, bean pulp, sodium bicarbonate, a sheep feed additive, table salt, mountain flour and probiotics. The preparationmethod of the sheep feed comprises the following steps: harvesting the cassia alata Linn, blanching and drying at 100 to 110 DEG C, thus obtaining cassia alata Linn dry grass; smashing the cassia alata Linn dry grass with other components, and uniformly stirring and mixing, thus preparing pellet feed; then air-drying, thus obtaining the sheep feed. According to the sheep feed disclosed by the invention, beneficial components of vegetable protein, bioactive substances and the like in the cassia alata Linn are fully utilized for replacing a part of gramineous forage grass containing low protein,the content of grain feed in daily ration of sheep can be reduced, and the body immunity of the sheep can be enhanced while the breeding feed cost is effectively reduced.

The invention discloses a straw mushroom culture medium and a preparation method thereof. The straw mushroom culture medium is prepared from the following raw materials in parts by weight: 20-30 parts of straw stalk, 25-29 parts of cotton seed hull, 5-8 parts of amorpha fruticosa branch and leaf, 4-8 parts of bean cake, 18-25 parts of sweet pennisetum purpureum schum, 15-25 parts of corn cob particles, 10-16 parts of dried cow dung, 3-6 parts of shell powder, 0.4-0.8 part of calcium superphosphate, 0.15-0.35 part of monopotassium phosphate, 1-4 parts of quick lime, 0.1-0.25 part of cellulase, and 5-10 parts of a nutrition additive. The culture medium is wide in raw material source; due to the addition of nutrition additive, the mushroom can grow better, has thick stalk, and is not easy to fall; the shape of the whole mushroom is attractive; and the production cost is relatively low, the culture medium has good practical effect, and the biological conversion rate of the straw mushroom is high.

The invention discloses a method for planting hybrid napiergrass Guimu No.1 in the karst region. The method includes the steps that first, seeds are sown in the last ten days of February or the first ten days of March; second, transplanting is performed in April, calcium magnesium phosphate fertilizer is applied as base fertilizer before the transplanting, the planting distance is 60 cm, and the distance between every two rows is 60 cm; third, nitrogenous fertilizer is applied, urea is used as the nitrogenous fertilizer and has the N content of 46 percent, after the transplanting, the nitrogenous fertilizer is added according to the proportion of 125 kg / hm<2> for the first time, the nitrogenous fertilizer is applied in June, July, September and October every year for the second time to the fifth time, and the application amount per time is 125 kg / hm<2> to 375 kg / hm<2>; fourth, the grass is mown, the forage grass is mown two to four times from July to November for a whole year, the mowing time interval is between 35 days to 100 days, and the grass is mown according to the mowing strength with the distance from the mowing portions to the roots of the plants between 5 cm and 35 cm. The method is easy to perform and easy and convenient to operate, the hybrid napiergrass Guimu No.1 is high in photosynthesis capacity, high in yield and good in quality, and the readily available nutrient content of soil is high. Therefore, the method can be taken as the method of the first choice for planting forage grass in the karst region, the grain conflict between people and livestock can be effectively relieved in the karst region, and sustainable development of agriculture is promoted.

The invention discloses a method for preparing a biological culture material by grinding and stirring before insulated fermentation. The method comprises steps as follows: S1, preparing the biological culture material: a material A contains cottonseed hull, bagasse, distiller's grains, rice bran, pine wood chips, soybean meal, palm kernel shells, decomposed pig manure, sucrose, light calcium carbonate, calcium superphosphate, potassium dihydrogen phosphate, magnesium sulfate and vitamin B; a material B contains spica prunellae slag, coconut shell powder, walnut shell powder, chestnut bracteal shell powder, lotus shell powder, banana stems and leaves, honeysuckle stems and leaves, radix angelicae dahuricae stalks, ginkgo leaves, garlic stalks, cassava stem bits, spartina anglica powder, ageratina adenophora, chrysopogon zizanioides, dicranopteris linearis, pennisetum purpureum, poplar leaves, ganoderma lucidum fruiting bodies, apple pomace, mushroom bran, xylose cinder and cyanobacteria; S2, the biological culture material prepared in the S1 is placed in a grinding and stirring device. A device for grinding and stirring before insulated fermentation is adopted for treatment, so that nutrients in a biological culture solution are easier to absorb, and the nutrients are richer.

The invention discloses a selenium-enriched mutton sheep breeding method. The method comprises the steps that selenium-enriched forage is planted, selenium-containing farm manure is applied to a meadow, sweet napier grass and astragalus sinicus are sowed in a mixed mode, selenium-containing foliar fertilizer is sprayed, and the selenium-enriched forage is obtained; silage is prepared; a sheep house of selenium-enriched mutton sheep is provided, fodder is stacked on the upper layer of the sheep house, and the mutton sheep are bred on the lower layer of the sheep house; selenium-enriched mutton sheep fattening and sheep house management are conducted, the selenium-enriched forage is used for feeding the mutton sheep, and the lower layer of the sheep house is cleaned regularly; the selenium-enriched mutton sheep are ready for slaughter. Accordingly, by culturing the selenium-enriched forage on the meadow and then preparing selenium-enriched fodder for feeding the button sheep, direct uptake of sodium selenite is avoided, and it is guaranteed that the selenium poisoning accident does not occur; meanwhile, due to the fact that the forage converts selenium absorption into the existence form of being absorbed by the mutton sheep easily, selenium absorbed by the mutton sheep is safe and reliable, the selenium content of mutton reaches the high target, and the nutritional value of the mutton is effectively improved.

The invention discloses a mushroom plantation culture medium which comprises 60-70 parts of fermentation waste fungus sticks, 10-15 parts of Pennisetum purpureum straw powder, 10-15 parts of plant charcoal, 13-16 parts of bean cakes, 7-12 parts of rapeseed hull, 2-6 parts of lime powder, 6-10 parts of waste Chinese medicine residues, 2-6 parts of yeast selenium, 16-20 parts of waste shrimp heads,6-12 parts of a Chinese herbal sterilizing solution, 7-12 parts of plant ash, 5-10 parts of diatomite, 4-8 parts of chicken manure, 6-10 parts of tree leaves, 2-5 parts of humic acid, 7-13 parts of coconut shell activated carbon, 12-16 parts of nutrients and 0.5-5 parts of a water retaining agent. The mushroom plantation culture medium uses the fermentation waste fungus sticks as a main component,makes full use of waste resources, and has the economic advantages of low cost and easy availability. Cooperating with the diatomite, the mushroom plantation culture medium has strong adsorbability,ensures the effective and continuous release of the nutrients, and enhances the overall effect of water and fertilizer conservation.

The invention discloses a laying duck feed capable of ensuring flavors of local duck eggs and a preparation method thereof. The laying duck feed comprises the following raw materials in parts by weight: 100-120 parts of corn flour, 160-180 parts of soybean flour, 70-80 parts of wheat middling, 50-80 parts of asparagus schoberioides kunth, 80-100 parts of pennisetum, 30-50 parts of toona sinensis leaves, 70-80 parts of Yezhucao, 40-60 parts of melon and fruit peel residues, 20-30 parts of pods, 0.05-0.15 part of EM (effective microorganisms), 30-40 parts of river snails, 10-15 parts of clams, 50-70 parts of earthworms, 10-15 parts of shrimps, 2-3 parts of salt, 3-4 parts of rhizoma polygonati, 2-3 parts of yerbadetajo herb, 1-2 parts of glossy privet fruit, 2-3 parts of prepared rhizome of rehmannia, 2-3 parts of fleeceflower root and 5-15 parts of insect repellent. The laying duck feed has the beneficial effects that the feed is prepared according to the dietary habits and characteristics of local ducks, is rich in nutrients and tastes crisp; the laying ducks eat more feeds, have good digestion, have healthy and strong bodies, do not get ill and have high egg yields; the duck eggs have excellent quality, taste delicious and have crisp and tender yolks and bright colors; eggshells are smooth and hard and look beautiful.

The invention discloses a method for inducing elephant grass to become a seedling fast in soilless culture. The strong tiller sprouting and adventitious root growing capacity of the elephant grass is utilized, spraying processing is carried out on the cultivated elephant grass with 0.2-5.0mg / L plant growth regulator 6-benzyladenine of a cytokinin type, and processing time is 1-2 weeks. When a great number of adventitious buds of the elephant grass are generated and grow to be 6-10cm or have 2-3 leaves, the adventitious bud is cut down from a stock plant with a trenchant edge and is placed in culture solutions with water, 0.20mmol / l K2SO4, 0.15mmol / l MgSO4, 0.06mmol / l KH2PO4, 0.5mmol / l Ca(NO3)2, 0.25mmol / l KCI, 12.5 micronol / l Fe(II)-EDTA, 2.5 micronol / l H3BO3, 0.25micronol / l MnSO4, 0.15 micronol / l ZnSO4*5H2O and 0.02 micronol / l(NH4)6Mo7O24*4H2O to be induced to take root. After the root of the adventitious bud is 2cm, the adventitious bud is placed in culture solutions with reduplicated nutrient elements to continue to be cultivated for a week to become the seedling, and the problem of how to fast obtain the seedling of the elephant grass without tissue culture and with low cost is solved.