31 results about "Leucaena leucocephala" patented technology

The invention discloses a method for forestation by means of level trenches on separated slopes in arid-hot valleys of the Jinshajiang River, pertaining to the technical field of soil and water conservation. The method comprises the essential steps of building level trenches on separated slopes, refilling soil, setting nursery stocks and covering with grass. The method of the invention adopts measures such as utilizing the reasonable level trenches on separated slopes to accumulate nature rainfall, mixing appropriate base fertilizers in the refilling soil, etc., which greatly increases the survival ratio and preservation rate of forestation nursery stocks. The method of the invention can ensure that the survival ratio of nursery stocks of jatropha curcas and hedge acacia under the circumstances of no irrigation water is increased to more than 95 percent, which is increased by 32 percent and 18 percent respectively than the control group, and both preservation rates are increased to more than 92 percent in 1 year and are respectively 42 percent to 82 percent higher than the control group; after half a year, the tree crown growing widths of the jatropha curcas and the hedge acacia are increased by 50 cm multiplying 49 cm <2> and 32 cm multiplying 32 cm <2> respectively. The method of the invention successfully solves the problem of soil moisture during forestation in arid-hot areas of the Jinshajiang River and has practical and profound significance in revegetation and ecological reconstruction of such areas.

[Object] To provide a solid fuel suitable for thermal power generation by making use of the residue left after beneficial seeds, grains or bulbs are collected.

[Solution] A solid fuel which comprises a composition containing 70 wt % or more, on dry basis, of dried Arundo donax, Leucaena leucocephala, Saccharum officinarum, Manihot esculenta, straw, seaweed, seagrass or algae and which is hot compression molded.

The invention relates to the technical field of feeds, in particular to a special feed for special wild boars. The feed is prepared from the following raw materials in percentage by weight: 80 to 90 corns, 12 to 15 broken rice, 45 to 50 soybean straws, 15 to 20 rye bran, 15 to 20 beet tubers, 8 to 10 lettuce residues, 6 to 8 soybean curb residues, 10 to 12 peanut shells, 12 to 15 sorghum straws, 5 to 6 locust tree leaves, 6 to 8 leaves leucaena leucocephala, 3 to 4 daucus carota, 3 to 4 acorn, 2 to 3 goose egg shell powder, 1 to 2 meat and bone meal, 3 to 4 white gourd seeds, 2 to 3 ficus pumila, 5 to 6 pennisetum alopecuroides, 5 to 6 saxifraga stolonifera, 1 to 2 alpinia japonica, 1 to 2 premix, a proper amount salt and 0.2 to 0.5 phagostimulant. According to the special feed for the special wild boars, which is provided by the invention, the proportion of an original feed is changed; the ratio of coarse grains is increased; each nutritional ingredient is balanced; the cost of the feed is greatly reduced; incidence of a wild boar herd fed by the feed is reduced; the weight increase speed of the wild boars fed by the feed is high; the wild boars fed by the feed are well-proportioned in body shape and have no obesity phenomenon; the special wild boars fed by the feed have high quality and high market competitiveness.

The invention relates to the technical field of freshness retaining of aquatic products and provides an aquatic product freshness retaining agent and a preparation method thereof. The aquatic product freshness retaining agent is prepared from the following main raw materials in parts by weight: 13-15 parts of a rosemary extraction solution, 11-13 parts of a leucaena leucocephala extraction solution, 11-13 parts of a saivia officinalis extraction solution, 8-10 parts of an apple extraction solution, 13-15 parts of a tea extraction solution, 7-9 parts of sorbitol, 7-9 parts of maltitol, 13-15 parts of a bamboo vinegar solution, 8-10 parts of an onion extraction solution and 8-10 parts of a ginger extraction solution. The preparation method of the aquatic product freshness retaining agent comprises the steps of treating the raw materials, preparing the extraction solutions, and uniformly mixing and stirring to prepare the aquatic product freshness retaining agent. The aquatic product freshness retaining agent is various in functions and excellent in effects of retaining freshness and protecting color; the shelf life of the aquatic products can be effectively prolonged; the original quality of the aquatic products can be effectively retained; flavor and texture of the aquatic products are not influenced.

The invention belongs to the technical field of seed ultra-dry preservation, and provides a leucaena leucocephala seed ultra-dry preservation method. According to the invention, silica gel and leucaena leucocephala seeds with a weight ratio of 6:1 are placed in a drying device, and dehydration drying is carried out under room temperature; dry silica gel processed through 120 DEG C bake-drying and cooling is replaced every day; the ultra-dry seeds are fetched after 5 days; the seeds are sealed in double-layer aluminum foil bags; and the seeds are preserved under room temperature. Before imbibition germination of the preserved ultra-dry leucaena leucocephala seed, a rewetting treatment is carried out, such that the vitality of the ultra-dry seeds is effectively ensured. Before rewetting of the ultra-dry seeds, the seeds are rewetted for 1.5-2.5 days in a drying device with saturated NH4Cl solution in the bottom; the seeds are then rewetted for 1.5-2.5 days in a drying device with water in the bottom; and the seeds are fetched and placed under room temperature. The leucaena leucocephala seed ultra-dry preservation method is simple and feasible, and has the advantage of low investment, low cost of year-round operation, high practicality, and high popularization and application values.

The invention relates to a natural anti-blackening agent. The natural anti-blackening agent comprises, by mass, 0.5 to 0.8 part of freeze-dried powder of Semen Leucaena leucocephala, 100 to 160 parts of deionized water and 1.2 to 3 parts of a natural thickening agent. The invention also relates to a preparation method and application of the natural anti-blackening agent. The natural anti-blackening agent uses purely natural Semen Leucaena leucocephala as a raw material, is nontoxic and harmless, and poses no harm to human beings and environment; the preparation method is simple; the natural anti-blackening agent exerts obvious anti-blackening and preservation effect on Penaeus vannamei, can remove and inhibit microbes on the surface of Penaeus vannamei and improves the quality of products of Penaeus vannamei.

The invention relates to a broken root bag penetrating prevention treatment method for leucaena leucocephala cv. Salvador nursery-grown plants, and belongs to the technical field of afforestation. The treatment method relates to nursery-grown plant treatment requirements and a treatment technology and specifically includes the steps that annual container-grown seedlings are adopted in bag penetrating prevention treatment, containers are generally nutrition bags with the specifications being 11 cm*14 cm, the bag seedlings are pulled up by the roots 10-20 days before the nursery-grown plants are planted, one thing to note is that the nutrition bags cannot be broken when the seedlings are pulled up, and soil balls in the nutrition bags cannot be broken either; the root systems of the nursery-grown plants which penetrate out of the nutrition bags are cut, trunks of 0.6-1.5 m are reserved, and the redundant parts are cut off; lateral branches and leaves are removed, seedling ridge furrows are dug, the treated nursery-grown plants are neatly arrayed and fully watered, and planting is carried out when buds sprout from the trunks after 10-20 days. After treatment is completed, lateral root growth can be promoted, the transpiration function is reduced, dehydration of the nursery-grown plants can be prevented, the nursery-grown plants can be fully lignified, the natural disaster risk resistance ability such as drought resistance, insect prevention and rabbit pest prevention of the nursery-grown plants is improved, and therefore the survival rate of afforestation is effectively improved.

The invention provides a novel rock-soil body side slope ecological stabilizer which is used for solving the problem of water and soil losses caused by rain wash on a side slope soil body, playing a role in corrosion resistance and also achieving the aim of ecological restoration of an exposed side slope of a rock body. The novel rock-soil body side slope ecological restoration and corrosion resistance stabilizer is characterized by being prepared by anionic polyacrylamide, potassium chloride, ethyl acrylic ester, epoxy acrylic ester and water according to the proportion, the blending mass ratio under the condition of the room temperature is 0.5: 2: 0.5: 0.5: 96.5 in sequence, the blending proportion of the stabilizer and the soil body makes the moisture content of the soil body after blending be controlled between the best moisture content of the soil body and the plastic limit of the soil body, then grass seeds and shrubs are added to be blended, the mixture is aired to be the moisture content state under which wet spraying operation requirement is met, the size of the caked soil body meets the operation requirement of a selected wet spraying machine, finally the pump-type wet spraying machine is utilized for wet spraying, the grass seeds are formed by blending ryegrass, dodonaea viscosa and Chinese pennisetum according to the mass ratio of 1: 1: 1, and the shrubs are formed by blending magnolia multiflora, leucaena leucocephala and pyracantha fortuneana according to the mass ratio of 1: 1: 1.

The invention discloses a method for extracting total RNA from leucaena leucocephala leaf tissues. During a leucaena leucocephala leaf tissue total RNA extraction process, 0.9-1.0g of crosslinked polyvinyl pyrrolidone (PVPP) powder is added, such that polysaccharides, proteins, and transparent viscous insoluble substances are comprehensively removed. With the method, the OD260/OD280 ratio of the extracted leucaena leucocephala leaf tissue total RNA is 1.8-2.0. The obtained RNA has high purity and high yield. Also, when the obtained RNA extract liquid is detected by using 1.5% agarose gel denaturation electrophoresis, the obtained strip is clear, RNA integrity is good, and the extracted RNA can be completely used in leucaena leucocephala molecular biology researches. The method has important significance in analyzing leucaena leucocephala gene expression and regulation, gene cloning and function identification, and molecular marker-assisted breeding. The method has high practicality, and good promotion ad application value.

The invention discloses milk pig feed capable of improving the lactation performance. The milk pig feed is prepared from, by weight, 50-60 parts of flour, 60-70 parts of sugarcane leaves, 20-25 parts of distiller's grains, 25-30 parts of mung beans, 5-9 parts of garlic, 8-12 parts of cream, 20-25 parts of leucaena leucocephala, 25-30 parts of banana peel, 7-9 parts of waste molasses, 7-8 parts of butter, urea, sodium hydroxide, urea phosphate, trichoderma viride, candida utilis, saccharomyces uvarum and an appropriate amount of water. The milk pig feed is balanced in nutrition matching, stimulates sex hormone secretion, not only can improve the milk yield of milk pigs, but also can improve the pig milk quality and is beneficial for development and lactation promotion of the milk pigs, and the palatability of the feed is improved.

The invention discloses application of leucaena glauca in reparation of soil polluted by heavy metal cadmium. Leucaena glauca seedlings belonging to cultivated leucaena glauca are directly transplanted into the soil polluted by cadmium heavy metal in the middle of May every year, wherein the seedlings are 6 to 9cm high, the row spacing is 20cm, the line spacing is 25cm, 22 seedlings are planted every square meter; before transplanting, base fertilizer, comprising 10 to 12kg of pure nitrogen, 7 to 8kg of phosphorus pentoxide and 8 to 9kg of potassium oxide, is applied per mu; and then the base fertilizer is covered with thin soil which is about 1cm thick; after the seedlings grow for 60 days, topdressing is carried out, to be specific, 3kg of pure nitrogen is applied per mu; in a plant cultivation stage, the water irrigation amount per mu is 6 to 8m<3>; and the leucaena glauca is harvested once or twice one year. By using the enrichment characteristic of the leucaena glauca to cadmium, the soil polluted by cadmium can be repaired for a long time by the leucaena glauca; the root and secreted nitrogen-fixing bacteria of leucaena glauca also can be used for regulating water in soil and conserving nitrogen in the soil; diffusion of pollutants and water and soil loss can be prevented; and the fertility of the soil can be improved.

The present invention discloses a heat stress reaction alleviating pig feed. The pig feed is prepared from the following raw materials in parts by weight: 50-60 parts of flour, 60-70 parts of sugar cane leaves, 30-40 parts of rice brans, 3-4 parts of grape seeds, 13-17 parts of beets, 9-13 parts of aloe vera, 20-25 parts of leucaena leucocephala, 25-30 parts of banana peels, 7-9 parts of wasted molasses, 7-8 parts of butter, and an appropriate amount of urea, sodium hydroxide, urea phosphate, trichoderma viride, candida utilis, grape juice yeast and water. The prepared feed has a good food attractivity, suits the taste requirements of the pigs, alleviates the heat stress reaction, is low in costs and rich in nutrition, can provide different nutritional components for the growth of the pigs, enables the pigs to have a very morbidity, and has a very good breeding efficiency.

The invention discloses a rocky desertification control method. The rocky desertification control method comprises the steps that firstly, leucaena subspecies seeds are soaked, seedling is conducted through seedling-raising plates, and seedlings are transplanted to a barren mountain subjected to rocky desertification when growing to 10 cm; secondly, the seeds can sprout after being sown for 2-3 days, seedlings emerge 5-7 days later, and the seedlings are transplanted to the barren mountain subjected to rocky desertification when growing to 10 cm; thirdly, seedling groups are planted every 200 m, the elevation difference of the seedling groups is controlled to be about 5 m-30 m according to the terrain, each seedling group includes 5-20 leucaena subspecies seedlings, and the leucaena subspecies seedlings are spaced from one another by 10 cm; and fourthly, control and greening are conducted by combining self reproduction, continuous transplanting and manual seed sowing according to the site growing condition of the seedling groups. According to the rocky desertification control method, since the leucaena subspecies seeds have high drought tolerance and sprouting capacity, the leucaena subspecies seeds can grow in the barren mountain subjected to rocky desertification, and the leucaena subspecies seedlings have the characteristics of soil building capacity, rapid growth and the like; and the purpose of rocky desertification control is achieved through cultivation and self reproduction after seeds are sown and the leucaena subspecies seedlings are transplanted to an area subjected to rocky desertification.

The invention discloses a slow release pesticide-fertilizer for preventing and controlling sclerotinia of strawberries. The slow release pesticide-fertilizer comprises a pesticide-fertilizer core andan envelope. The pesticide-fertilizer core is prepared from the following raw materials in parts by weight: 50-60 parts of cake fertilizer, 2-4 parts of alpha-amylase, 10-15 parts of potassium dihydrogen phosphate, 8-12 parts of a water-soluble phosphate fertilizer, 15-18 parts of urea, 2-4 parts of ferrous sulfate, 0.5-1 part of zinc sulfate, 0.4-1 part of copper sulfate, 1-3 parts of sodium ascorbate, 9-15 parts of ethyl silicate, 3-5 parts of a silane coupling agent, and 8-11 parts of a Chinese herbal medicine extract, wherein the Chinese herbal medicine extract is prepared from wild pepper, cortex phellodendri, melia azedarach leaves, leucaena leucocephala leaves and cortex fraxini. The envelope is prepared from the following raw materials in parts by weight: 9-13 parts of polyvinyl alcohol, 1.5-2.2 parts of chitosan, 0.5-0.8 part of silica, 2-4 parts of starch, 1-3 parts of cellulose, 3-6 parts of gelatin, and 71-83 parts of water. The invention also provides a preparation methodof the slow release pesticide-fertilizer. When used for preventing and controlling sclerotinia, the slow release pesticide-fertilizer can effectively improve the disease resistance of strawberries, increase the yield and quality of strawberries, and greatly reduce the labor intensity of farmers.

The invention relates to a plant matching scheme and pretreatment method applied to lateritic red earth slope protection. The principles of combining fast growing and slow growing plants, combining legume trees and shrubs and gramineous and herbaceous plants and combining shallow-rooted and deep-rooted plants are followed, and six water and soil conservation plants common in the south are selected and matched in parts by mass: 30 parts of cynodon dactylon, 25 parts of paspalum notatum, 15 parts of festuca arundinacea, 14 to 16 parts of white tephrosia, 12 to 14 parts of leucaena leucocephala and 2 to 3 parts of acacia confusa. In addition, the invention further provides a plant seed pretreatment method applied to lateritic red earth slope protection. The method specifically comprises the following steps: (1) grinding seed skin with stirring; (2) preparing a seed pretreatment solution; (3) impregnating and air-drying herbaceous plant seeds; (4) impregnating and air-drying tree and shrub seeds. The method is convenient to operate and low in cost, and the adopted vegetational plants are readily available, reasonable in matching, high in growth speed and adaptability and particularly applicable to the ecological protection of a southern lateritic red earth slope.

The invention discloses a pig feed capable of increasing the daily-gained weight. The pig feed capable of increasing the daily-gained weight is prepared from, by weight, 50-60 parts of flour, 60-70 parts of sugarcane leaves, 30-35 parts of beet pulp, 10-12 parts of yellow rice or millet wine, 7-11 parts of longan, 20-24 parts of peanuts, 20-25 parts of leucaena leucocephala, 25-30 parts of banana peel, 7-9 parts of waste molasses, 7-8 parts of butter, a proper amount of urea, a proper amount of sodium hydroxide, a proper amount of urea phosphate, a proper amount of trichoderma viride, a proper amount of candida utilis, a proper amount of saccharoinyces uvarum sw-58 and a proper amount of water. The feed is good in feeding induction, includes amino acid, microelements and vitamins, is capable of increasing the daily-gained weight of pigs and performs the double effects of providing nutrition and improving immunity, the feed utilization rate is increased, and the growth speed of pork pigs is increased.

The present invention discloses a meat quality improving pig feed. The pig feed is prepared from the following raw materials in parts by weight: 50-60 parts of flour, 40-50 parts of corn grains, 3-4 parts of pearl powder, 10-12 parts of red wine, 8-12 parts of fresh orange peels, vitamin A, 60-70 parts of sugarcane leaves, 20-25 parts of leucaena leucocephala, 25-30 parts of banana peels, 7-9 parts of wasted molasses, 7-8 parts of butter, and an appropriate amount of urea, sodium hydroxide, urea phosphate, trichoderma viride, candida utilis, grape juice yeast and water. The pig feed is balanced in nutrition matching, rich and enough in effective fibers, easy to digest, and high in nutrient concentration, and improves the meat quality of pork.

The invention discloses Mesorhizobium zengchengense and application thereof. The Mesorhizobium zengchengense RITF1218 is preserved in China Center for Type Culture Collection (CCTCC), Wuhan University, China, on Oct. 17th, 2014, with an accession number of CCTCC NO: M2014492. The Mesorhizobium zengchengense RITF1218 is separated and screened from root nodules of Acacia melanoxylon, can bond with Acacia melanoxylon, Acacia aneura, Albizia falcataria, Leucaena leucocephala and the like, has strong stress resistance, and has wide application prospects in production of nitrogen-fixing microbial agents and bio-organic fertilizers.

The invention relates to solid fuel, and is prepared by the following raw materials in parts by weight: 10-20 parts of castor-oil plants, 2-10 parts of Chinese tallow trees, 5-30 parts of Alenrites, 1-30 parts of Brassica campestris, 4-50 parts of palm, 4-20 parts of corn, 4-20 parts of Arundo donax, 3-20 parts of Leucaena leucocephala, 2-10 parts of sugarcanes, 2-20 parts of cassava residues, 1-20 parts of straw, 1-20 parts of seaweed, and 4-10 parts of sea grass. The solid fuel is fundamentally formed from plants in nature without generation of harmful gas. Waste timbers and used paper which do not have utilization values and should be treated by burning are effectively used as energy, and the energy can be used as a cleaning energy for electrical generation.

The invention relates to the technical field of pipeline protection, and discloses an ecological protection system suitable for a stone channel region pipeline. The ecological protection system comprises a matrix layer, a buffer layer, a transition layer, a root blocking layer and a rock ballast backfill layer which are sequentially arranged from top to bottom, and the pipeline is buried in the rock ballast backfill layer; the matrix layer comprises a matrix particle material and rock ballast; the buffer layer comprises rock ballast, attapulgite, peat, super absorbent resin and polyacrylamide;the transition layer comprises rock ballast and bacillus dregs; and the root blocking layer is prepared from acrylate emulsion, copper sulfate powder, leucaena leucocephala extracting solution and vermiculite. According to the ecological protection system, the comprehensive protection function of a plant system can be utilized, the phenomena of water erosion and collapse after pipeline landfill are reduced, the external impact force and the damage effect of plant root systems on the pipeline are reduced, and therefore the pipeline can be continuously and stably protected under the condition of no management and protection, and the plant survival rate can be increased.