85results about How to "Good ecological and environmental benefits" patented technology

The invention relates to an integral indoor ecological circulating water culture system, belonging to the technical field of culture water biological purification. The system comprises a vinyl house, a sedimentation basin, a methane tank, a biological filter pool A, a biological filter pool B, a biological filter pool C, a water storage tank, a breeding pond A, a breeding pond B, a breeding pond C, a breeding pond D and a breeding pond E, and wherein the sedimentation basin, the biological filter pools, the water storage tank, and the breeding ponds are symmetrically arranged in the vinyl house in a straight line. A water collecting main pipe, a back-flow pipe and an aeration main pipe are sequentially arranged on two sides of the sedimentation basin, the biological filter pools, the water storage tank and the breeding ponds. After being processed by multiple steps such as automatic collection and sedimentation, filtration, and absorption and conversion by water plant and stuffing materials, the breeding water of the system enters into the water storage tank to be subjected to reoxygenation and sterilization, then the breeding water is promoted into the breeding ponds for circulation and utilization through an immersible pump, thus the production cost of indoor industrial culture is lowered, and the system has remarkable popularization and application prospect in water shortage areas in our country for developing the high-density culture.

The invention discloses a method for planting buerger lespedeza root. The method mainly comprises the following steps of: (1) performing seminal propagation, namely, collecting seeds, screening and storing seeds, selecting a seedbed land and performing land preparation, treating the seeds, sowing seeds, performing management before seedling emergence, performing management after seedling emergence and pulling up seedlings; (2) performing cuttage propagation, namely, selecting a land, selecting a seedbed land and performing land preparation, making preparations for cutting propagation, performing cottage, performing seedling exercising and performing field management; (3) transplanting the seedlings to the field, namely, selecting a land, performing land preparation, applying base fertilizer, transplanting the seedlings and filling gaps with seedlings; and (4) performing field management. Indexes of the buerger lespedeza root planted by the method are accordant with the content requirement in Traditional Chinese medicine good aquaculture practices (GAP); the annual output of a 5-year-old buerger lespedeza root medicinal material is up to between 550 and 700 kilograms/mu (a Chinese unit) (fresh) and between 200 and 300 kilograms/mu (dry); standardized large area planting of buerger lespedeza root can be performed, planting investment is small and benefit is high; the development of buerger lespedeza root industry in a mountainous area can create considerable social and economic benefits and bring good ecological environment benefits.

The invention discloses a simplified straw-returning-to-field method applicable to clay paddy fields. The technique of wheat harvesting, straw smashing and directly returning to field, the technique of more nitrogen application for regulating carbon nitrogen ratio of straw, the technique of applying straw decomposition additives for quickening straw decomposition and degradation, the cultivation technique of subsoiling, burying and pressing the straw and improving the poor soil profile pattern of clay, the technique of field steeping, waterlogged compost and soil acidity regulation, the technique of soil preparation and optimum balanced rice fertilization and the like are integrated.

The invention provides an aquaculture method of a high-quality and high-yield clear water grass carp. The aquaculture method comprises the following concrete steps: (1) building a pond; (2) carrying out pre-treatment on the pond; (3) stocking fries; (4) feeding feed; (5) regulating and controlling water quality; (6) preventing and treating diseases; and (7) fishing in good time. By adopting the aquaculture method provided by the invention, fish flesh quality of the grass carp is improved after the grass carp is cultured for two years, content of fibers and proteins in the fish flesh is greatly increased, the fish flesh is tender and crisp, and the fish flesh is boilproof and does not break and taste is delicious and refreshing, so that high-quality grass carp with crisp flesh is obtained; besides, by virtue of reasonable distribution of feed, on one hand, the fish flesh quality of the grass carp is hard, crisp and tasty and the fish flesh is delicious and refreshing in taste, and on the other hand, the feed adopts Se-enriched feed, organic selenium content of a feedstuff fish is increased, digestive absorption of the grass carp to selenium is promoted. Compared with common grass carp, selenium content of the grass carp cultured by adopting the method is 10 times that of the common grass carp, health function is obviously enhanced, and immunity of a human body can be enhanced.

The invention discloses an assembly type grass-planted concrete precast block and a construction method of an ecological bank adopting the same. The assembly type grass-planted concrete precast blockis composed of a convex block body and concave block bodies, wherein the convex block body and the concave block bodies are connected into a whole, the convex block body is located in the middle, theplurality of concave block bodies are arranged next to the convex block body, and the convex block body and the concave block bodies are made of ecological concrete with ecological holes; greening soil coverings suitable for the growth of herbaceous plants are laid on the upper surface of the convex block body and the upper surfaces of the concave block bodies respectively, the herbaceous plants take roots on the greening soil coverings and in the convex block body and the concave block bodies; and the concrete precast blocks can be spliced and clamped together. Meanwhile, the invention provides a construction method of the ecological bank adopting the assembly type grass-planted concrete precast block according to the characteristics of the assembly type grass-planted concrete precast block. The assembly type grass-planted concrete precast block has the advantages that the structure is reasonable, the coverage rate of the planted-grass is high and the construction is convenient and rapid; and the assembly type grass-planted concrete precast block can be used for ecological protection of medium and small rivers, and can also be used for ecological protection of channels, lakes, reservoirs and ponds.

The invention belongs to the technical field of sewage treatment, in particular to a Taihu Lake region village sewage treatment and Duantou creek water environment repair method. The method comprises the following steps of: after sewage and rain are collected by a town rain header pipe, joining in a regulating reservoir after the sewage and the rain flow to a grid via an overflow flood discharge pipe; lifting to an A/O integration-type brick-built sewage treatment facility via a water pump; in the facility, enabling the sewage to be subjected to anaerobic tank and contact aerobic tank treatment, flowing into a sedimentation tank for solid and liquid separation; causing parts of supernate to flow back to the anaerobic tank for denitrification; lifting lower-layer sludge at a fixed time to a sludge tank; after carrying out aerobic digestion in the sludge tank, externally conveying precipitates or composting; after precipitate effluent is collected by a clear water tank, externally discharging to an aeration fishpond for biological strengthening treatment; and finally, overflowing and discharging via an overflow dam. With the method disclosed by the invention, village domestic sewage treatment, creek ecological environment recovery and aquatic product efficient culture are combined into a whole. The method has the advantages of simpleness in construction, small investment and obvious ecological environment benefit and is easy for popularizing, and no surrounding lands of a river are occupied.

The invention discloses a method for treating sewage of scattered village peasant households by aquatic animal and plant purification pond, and belongs to the technical field of environment protection. The method mainly aims at the difficult problem of water pollution caused by sewage discharge from scattered village peasant households in south rural areas of China, based on surrounding topographic conditions of villages, creeks or ponds, to which sewage of scattered peasant households is discharged, are used as treatment carriers, and by planting aquatic plants, adding benthonic animals and arranging artificial seaweeds, a purification pond based on aquatic animals and plants and artificial seaweeds is built. The treatment method can realize in-situ sewage purification without building sewage collection pipe networks and sewage treatment facilities, not only has good treatment effect and low cost of construction, but also spends no operating cost, occupies no cultivated land, is convenient to maintain and has remarkable benefit of ecological environment.

The invention relates to a lignin organic slow-release liquid fertilizer for wheat and a preparation method thereof, belonging to the technical field of organic slow-release fertilizers. The lignin organic slow-release liquid fertilizer for wheat is prepared from the following raw materials in parts by weight: 20-35 parts of lignin, 10-20 parts of a high molecular polymer, 2-8 parts of cellulose mud cakes, 3-7 parts of organic abamectin, 10-15 parts of acidic hemicellulose liquid, 10-15 parts of alkaline hemicelluloses liquid, 8-13 parts of a nitrogen fertilizer, 10-15 parts of a phosphorus fertilizer, 12-16 parts of a potassium fertilizer, 5-10 parts of nitric acid, 10-20 parts of plant cytokinin, 16-20 parts of zeolite powder, and 5-10 parts of activated carbon. The raw material components in the lignin organic slow-release liquid fertilizer for wheat coordinate with one another to achieve a synergistic action, the nutrient proportions of the raw materials consider the total nutrient requirement in the whole growth period of the wheat to ensure that the nutrient elements required by the growth and development of the wheat can be comprehensively supplied, so that the lignin organic slow-release liquid fertilizer is complete in nutrition, more in function, high in comprehensive fertility and great in potentiality and is special for the wheat.

The invention discloses a Rosa laevigata planting method, and relates to the technical field of plant cultivation. By the aid of a seed propagation and cultivation method, the method includes the steps: 1) seed selection and treatment: sufficiently and uniformly mixing mature clean Rosa laevigata seeds and wet sand according to the proportion of 1:3, and storing the seeds and the wet sand to following spring; 2) seedling culture: uniformly scattering mixed seeds and plant ash into cross trenches, covering soil to be flush with a ridge surface, performing inter-tillage weeding, top application and pruning after aligning seedlings; 3) seedling transplantation; 4) planting according to the row spacing of 1*1 meter; 5) fertilization and nursing: performing inter-tillage and fertilization once in spring, summer, autumn and winter after planting, and performing pruning in winter every year. The row spacing between the cross trenches is 20 centimeters, the depth of each cross trench is 1.5 centimeters, the seeding rate per mu is about 3 kilograms, the seedlings can be transplanted after cultivated for two years, roots of the seedlings are provided with soil balls when the seedlings are lifted, and the soil balls are packed and sealed by plastic bags, so that the soil balls are moisturized. The planting method can effectively solve the problems of small artificial Rosa laevigata cultivation scale, high cost and unstable quality.

The invention discloses dedicated water-flush formula fertilizer for thinned ginger. The pure nutrient of the water-flush formula fertilizer comprises the following effective chemical elements by weight percentage: 20.0 to 25.0 of nitrogen, 5.0 to 10.0 of phosphorus, 15.0 to 20.0 of potassium, 1.0 to 5.0 of sulfur, 2.0 to 6.0 of calcium, 0.1 to 0.5 of zinc and 0.2 to 1.0 of manganese. The dedicated water-flush formula fertilizer of the invention has the advantages of complete nutrient components and reasonable nutrient ratio, thereby fitting the absorption pattern of nutrient of weak-gluten wheat; the use efficiency of the water-flush formula fertilizer is high, so the invention can significantly promote the growth of weak-gluten wheat, increase the grain yield, increase the economic benefit and improve the quality of weak-gluten wheat; and meanwhile, the adverse environmental effect caused by the improper fertilization of nitrogen fertilizer can be reduced.

The invention discloses a cement clinker preparation method and device. The method comprises the step of applying a voltage to a blank to sinter the blank to obtain cement clinker at 900-1200 DEG C, wherein the blank is obtained by pre-sintering crude cement powder at 900-1200 DEG C. The device comprises a rotary kiln, wherein a feeding hole and a discharge hole are formed in the rotary kiln; a first electrode coil and a second electrode coil are sequentially arranged inside the rotary kiln in a direction from the feeding hole to the discharge hole; notches are formed in the first electrode coil; notches are formed in the second electrode coil; the area between the first electrode coil and the second electrode coil is an electric heating area. The method is simple in process, the sinteringspeed is a hundred times or above of a conventional sintering speed, the furnace temperature can be reduced by 200 DEG C or greater, and the cement clinker is good in quality.

The invention discloses a celery high-yield biological regulation cultivation method, and relates to a vegetable cultivation method. The method belongs to the field of vegetable cultivation. The method is characterized in that celery seeds are soaked continuously for 10-12h in warm water with a temperature of 5-10 DEG C; the seeds are washed and wrapped by using a cotton cloth, and are shaken loose; the seeds are placed for 10-12h in air under a room temperature; the above steps are repeated for 5-7 days; after the seeds are sowed on seedbed soil, the seeds are covered with a black shading mesh; conventional management is carried out; and when each celery seedling has 5-6 true leaves, seedling transplanting and field planting is carried out. The method has the following advantages: selected seedbed soil and transplanting and field planting soil are suitable for celery growth, and the seeds are subjected to germination treatment before sowing, such that seed germination rate and celery yield are greatly increased, seed cold resistance and drought resistance are enhanced, pesticide and chemical fertilizer doses are reduced, and celery quality is improved; planting investment is low, and planting benefit is high; considerable social economic benefit can be brought in, and great ecological and environmental benefits can be produced.

The invention relates to an artificial domesticating and planting method of wild Paris polyphylla. The method includes steps: land selection and preparation, seed selection, seed seedling raising, field management and harvesting, wherein field management includes steps: seedling supplementing, intertillage weeding, fertilizer-water management, flower removal, earthing up and shading. Paris polyphylla domesticated and cultivated by adopting the method is normal in growing and free of pest and disease; chemical fertilizer and pesticide are not used in the whole cultivation process, so that root blocks of underground portions of plants are thick and strong, branch leaves of overground portions of the plants are green and beautiful, and the plants are high in resistance to disease and pest, high in yield and environment-friendly. Actual measurement of several years shows that saponin content in active ingredients is up to 2.27 metering units, which is 2-3 times of Standards of Pharmacopoeia. No toxic and harmful heavy metal and residual pesticide are contained, so that environment protection is realized, and a foundation is laid for producing healthy and safe Chinese medicinal materials for people.

The invention provides an immobilization method for nutrients in cow dung water. The immobilization method comprises the following steps: slowly adding calcium superphosphate into cow dung water in anadjusting tank, continuously performing stirring, and adjusting the pH value of the cow dung water to 6.0-6.5, wherein the addition amount of the calcium superphosphate is 2-15% of the mass fractionof the cow dung water. According to the invention, ammonia gas emission flux in the storage process of the cow dung water can be reduced by 7.6-21.3%, so the fertilizer efficiency of the cow dung water is improved; meanwhile, the number of fecal coliform groups in the cow dung water meets the national standard requirement in China, the cow dung water is added with calcium superphosphate before storage and then returned and applied to fields, so crop yield can be increased; and ammonia emission and nitrogen leaching loss in farmland are reduced, and good ecological and environmental benefits are achieved.