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

The invention discloses a normalized planting method of medicinal Lycoris radiate, which comprises the following steps: (1) breeding seed and sprout: reserving seed, (2) planting: selecting ground, grading, planting bed, sowing, breeding, managing sprout, (3) managing field: loosing ground, fertilizing, watering, draining, racking, trimming to remove bud, sealing soil to hibernate, (4) harvesting, grading to satisfy the standard number: GB / T18247.6-2000.

The invention discloses a standardization planting method of tuber pinellia, which comprises the following steps of: step one, breeding material: (1) seed reservation and preservation of tuber pinellia tuber; step two, (1) choosing cultivating land; (2) land preparation; (3) soli sterilization; (4) lifting; (5) planting; step three, field management: (1) weeding; (2) additional fertilizer; (3) picking spathe (4) irrigation and drainage; (5) ridging; step four, harvesting; and disease control and pest control. The indicators of the tuber pinellia obtained by the method are in line with the contents requirements of the traditional Chinese medicinal material GAP; in normal given years, the yield of the drug ingredients of the tuber pinellia (dried goods) can reach 150 kg to 180 kg; the tuber pinellia can be normally planted in large area; the method has little planting investment and high benefits; the rapid development of the tuber pinellia industries in mountain areas not only can create considerable social and economic benefits, but also can bring excellent ecological environment benefits.

The invention discloses a standardization planting method of uncaria, which comprises the following steps of: step one. seed seedling breeding: (1) seed seeding breeding; (2) seed breeding or sticking breeding; step two. main field transplanting: (1) choosing cultivating land; (2) land preparation; (3) basic fertilizer; (4) transplanting; (5) complementary planting of seedling; step three. field management: (1) cultivating and weeding; (2) additional fertilizer; (3) beating inflorescence (4) trimming and shaping; step four. uncaria harvesting; and disease control and pest control. The indicators of the uncaria obtained by the method are in line with the contents requirements of the traditional Chinese medicinal material GAP, can be normally planted in large area; the method has little planting investment and high benefits.

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 ecological cycling freshwater aquaculture method. The method comprises: preparing a culture water source, supplying water to culture ponds, filtering water, and treating sewage. The plurality of culture ponds are arranged from left to right in sequence to form a culture pond group. The culture ponds in the culture pond group are connected in parallel, and form a recirculating aquaculture system with a filter tank, a treating pond, a settling pond, a biological package, an aeration tank, and a sterilization pond. Using the ecological cycling freshwater aquaculture method, water of the whole system forms virtuous cycle, and is suitable for growth of freshwater fishes and shrimps, and zero discharge of aquaculture wastewater is realized, and water resource is saved. The ecological cycling freshwater aquaculture method has obvious ecological environment benefits, and meets the sustainable development strategy of the country.

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 relates to a novel ecological potentiating conditioner, which mainly comprises an amino acid polymer and a sorbent; a preparation method mainly comprises the following steps of: adding the amino acid polymer into the sorbent according to certain percentage; mixing the mixture evenly; pelletizing or non-pelletizing; and drying and packaging. In addition, the invention also relates to application of the conditioner in agriculture. The novel ecological potentiating conditioner has the functions of improving the utilization rate of fertilizer, promoting the equilibrium nutrition absorption of plants, improving the capacities of stress resistance and pest resistance of the plants and the crop yield and improving the quality of farm products; and the novel ecological potentiating conditioner has remarkable fertilizer-saving effect and huge ecological environmental benefit as well as improving the economic benefit at the same time.

The invention discloses a floating type device integrating wave dissipation and offshore culture, and belongs to the field of comprehensive utilization of structures of coastal engineering. The floating type device comprises wave dissipation units with a net cage function, a floating type wave prevention box and an anchoring structure, and is characterized in that each wave dissipation unit consists of a basic block body, an artificial rigid plant and a net cage type wave dissipation drum; the wave dissipation units are fixedly embedded into the wave prevention box by the basic block bodies and are spliced with one another to form an integrated structure; the whole device floats on a sea surface and is fixed at the seabed through anchor chains. By the combination of three functions of wave dissipation of the floating type wave prevention boxes, revetment of the rigid plants and offshore culture, the floating type device integrating wave dissipation and offshore culture is provided. Due to the design, the wave dissipation performance of the floating type wave prevention boxes can be improved, and good conditions are provided for offshore culture.

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 compound artificial wetland treatment process of domestic sewage in villages and towns in rural areas. The process utilizes an artificial wetland treatment technology to bematched with a trough type automatically-flowing aeration channel for treating domestic sewage in rural areas. The treated sewage according with the standard can be drained in a local water environment and recycled as agricultural irrigation or environmental water. Compared with the conventional sewage in rural areas, the process adopts a benign artificial wetland ecological system with a certainecological landscape value; if not used, the artificial wetland can be used for secondary tillage to plant crops or fruit tress, thereby obtaining better ecological environment benefit. The technologyhas greater popularization and application values in rural areas.

This invention discloses a solar photovoltaic nanoscale water purification island used in field waters. The island is composed of: a filler barrel, a water distribution disc, an airlift pump and a solar photovoltaic air pump. A hard pipe and a water outlet pipe are set at the bottom of the filler barrel. The filler barrel is surrounded by foam plastic floating bodies. At least two layers of mesh plates are set in the filler barrel, between which are filled with various nanoscale water purification biomaterials. A through hole is formed at the bottom of the water distribution disc. Through connected grooves are formed on the water distribution disc by trough plates. Filtering sponge is set in the grooves. The water distribution disc covers the filler barrel. An air transmission pipe is set in the hard pipe. One end of the air transmission pipe is connected with an aeration pump, while the other end is connected with an air exhaust stone. The water distribution disc extends from the upper end of the hard pipe. Two solar photovoltaic electric plates are connected with the filler barrel respectively. The output lines of the solar photovoltaic electric plates are connected with the storage battery and the aeration pump, respectively, via the control circuit of the charge / discharge controller. The island is suitable for field fishponds, wastewater treatment plants, pollution remediation waters and landscape green areas.

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 gabion construction method for a subsurface flow constructed wetland. The method comprises the following steps of (1) gabion module construction, wherein a gabion module is composed of a surrounding net and a movable bottom net, the surrounding net is defined by four side nets, the movable bottom net is arranged on the bottom of the surrounding net, the upper part of thesurrounding net is open, a vertical tie bar is arranged on the joint of the two adjacent side nets, upper-layer transverse tie bars are connected with the upper ends of the side nets respectively, bottom-layer transverse tie bars are connected with the lower ends of the side nets respectively, a middle transverse tie bar is connected between each upper-layer transverse tie bar and the corresponding bottom-layer transverse tie bar on each side net, the number of the middle transverse tie bars is at least two, the transverse tie bars are used as scale indication of padding, and the distance between each two transverse tie bars is the height of each layer of the padding; (2) laying of the gabion module and padding loading, wherein the folded surrounding net of the gabion module is pulled up,then the bottom net is placed on the bottom of the surrounding net, placement of the gabion module is conducted from the slope bottom to the slope top, and the padding in the gabion module is loaded from bottom to top layer by layer. By means of the method, deformation of a gabion and gaps of the gabion module are prevented, the engineering construction efficiency is improved, the stability of wetland running is guaranteed, manual laying is not needed, and mechanical work is feasible.

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 a formula and a production technology of red brick-containing recycled aggregate permeable concrete. The permeable concrete prepared from red brick-containing recycled aggregates promotes the recycling of building wastes, is a novel environmentally-friendly material, promotes the sustainable development of the building industry, has great social, economic and environmentalcomprehensive benefits, saves a large amount of natural resources, and has significant economic and environmental benefits.

The invention discloses a composite resistance inducer for preventing and treating early spot leaf cast of actinidia chinensis in southern regions. The composite resistance inducer is prepared from the following raw materials in percentage by mass: 0.05-0.06% of amino-oligosaccharin, 0.05-0.06% of a nutritional supplement, 0.02-0.03% of brassinolide, 0.02-0.03% of sulfur powder, 10-15% of a nitraria davidii water extract and the balance of water. According to the invention, the botanical disease-resistant composite resistance inducer for replacing chemical pesticides to prevent and control the early spot leaf cast of the kiwi fruits is creatively researched and developed, and is sprayed to the back surfaces of kiwi fruit leaves at June 1-15 every year when the early spot leaf cast of the kiwi fruits does not have obvious symptoms, so that plants obtain systematic disease resistance, and the purpose of preventing and controlling diseases in advance is achieved; and the composite resistance inducer can improve the disease resistance of kiwi fruits, can effectively reduce the morbidity and disease index of early spot leaf cast of kiwi fruits, reduces the use of pesticides, and improves the food quality safety of kiwi fruits.

The invention discloses an organic fertilizer with comprehensive nutrition, long fertilizer effect and capability of improving soil for wheat. The organic fertilizer comprises the following raw materials in parts by weight: 15-20 parts of urea, 15-20 parts of ammonium sulphate, 20-30 parts of ammonium chloride, 20-30 parts of potassium chloride, 15-20 parts of potassium sulphate, 20-30 parts of mono-ammonium phosphate, 5-15 parts of double superphosphate, 15-20 parts of calcium-magnesium-phosphorus fertilizer, 5-10 parts of pregelatinized starch, 1-3 parts of a full gemma microbial preparation, 10-15 parts of feather meal, 15-20 parts of gourmet powder residues, 10-20 parts of starch residues, 5-15 parts of sugar residues, 1-3 parts of tung oil, 2-6 parts of disproportionated rosin, 3-5 parts of lignosulfonate, 3-6 parts of polyvinyl alcohol, 2-5 parts of carboxymethyl cellulose, 15-25 parts of activated carbon, 20-30 parts of organic carbon, 3-5 parts of kaolin, 18-23 parts of attapulgite clay powder, 15-20 parts of weathered coal, 5-15 parts of calcium bentonite, 5-10 parts of activated clay, and 20-25 parts of zeolite powder. The organic fertilizer disclosed by the invention has comprehensive nutrition, long fertilizer effect and capability of improving soil.

The invention discloses an efficient slow release composite fertilizer for wheat. The fertilizer comprises the following raw materials in parts by weight: 20-30 parts of ammonium chloride, 15-20 parts of potassium sulphate, 20-30 parts of mono-ammonium phosphate, 15-20 parts of a calcium-magnesium-phosphorus fertilizer, 5-19 parts of a white phosphorus fertilizer, 4-10 parts of pregelatinized starch, 2-4 parts of a full gemma microbial preparation, 20-30 parts of feather meal, 10-20 parts of gourmet powder residues, 20-40 parts of starch residues, 20-30 parts of sugar residues, 2-5 parts of tung oil, 5-10 parts of disproportionated rosin, 5-8 parts of lignosulfonate, 2-5 parts of polyvinyl alcohol, 4-8 parts of carboxymethyl cellulose, 20-30 parts of activated carbon, 30-40 parts of organic carbon, 5-8 parts of kaolin, 15-20 parts of attapulgite clay powder, 10-14 parts of weathered coal, 20-25 parts of zeolite powder, and 5-10 parts of calcium silicate. According to the invention, the efficient slow release composite fertilizer can improve soil, and is comprehensive in nutrition, and high in slow release effect.

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 relates to the field of water body ecological restoration, and discloses a modular floating wetland which comprises a plurality of floating wetland units (1), wherein each of the floating wetland units (1) comprises a jointed mesh cylinder (11), a support member (12) and ecological rods (13); the joint mesh cylinder (11) is a mesh body in which a plurality of mesh cylinders sewn fromnylon meshes are connected as a whole; each ecological rod (13) comprises a planting bag, plant propagules (131) and a lightweight substrate (132); the planting bag is filled with the plant propagules (131) and the lightweight substrate (132). The ecological rods provided by the invention are simple to manufacture, no other floating material needs to be introduced in a floating wetland, the internal structure of the substrate in each ecological bar is rich, the specific surface area and the phosphorus fixing ability are also strong, and the production cost is low, so that the labor intensityis reduced, and the subsequent on-site construction is facilitated; the modular floating wetland has relatively good adsorption capacity on nitrogen, phosphorus and heavy metals. Therefore, the benefits of ecological environment is significant, and the modular floating wetland has a broad application prospect.

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 standardization planting method of tuber pinellia, which comprises the following steps of: step one, breeding material: (1) seed reservation and preservation of tuber pinellia tuber; step two, (1) choosing cultivating land; (2) land preparation; (3) soli sterilization; (4) lifting; (5) planting; step three, field management: (1) weeding; (2) additional fertilizer; (3) picking spathe (4) irrigation and drainage; (5) ridging; step four, harvesting; and disease control and pest control. The indicators of the tuber pinellia obtained by the method are in line with the contents requirements of the traditional Chinese medicinal material GAP; in normal given years, the yield of the drug ingredients of the tuber pinellia (dried goods) can reach 150 kg to 180 kg; the tuberpinellia can be normally planted in large area; the method has little planting investment and high benefits; the rapid development of the tuber pinellia industries in mountain areas not only can create considerable social and economic benefits, but also can bring excellent ecological environment benefits.

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.

A seepage-promoting and emission-reducing method for saline-alkali soil greening comprises the step of sequentially arranging a packing layer, an isolation layer and a soil layer above a conventionalengineering salt discharging layer for saline-alkali soil greening; the packing layer is formed by mixing zeolite, vermiculite and fine sand, the isolation layer is composed of a straw layer and a fine sand layer from bottom to top, and the soil layer is formed by mixing straws, fine sand, zeolite, vermiculite and planting soil. The method not only can promote water infiltration, but also can guarantee the water quality of soil leaching water, and has great practical significance in promoting sponge city construction in saline-alkali areas.