297results about How to "Solve compaction" patented technology

A full nutrition fertilizer of biology type and its producing method belongs to organic complex fertilizer field in biology type. The components of the full nutrition fertilizer is 20-50% of organic waste liquid, 10-30% of urea, 8-15% of diammomium phosphate, 10-25% of potassium sulfate, 5-20% of medium trace element, 1-5% of microbial inoculum, 0-0.2% of root-promoting agent; 0-2% of solutizer, effective viable count content of the microbial inoculum of more than 1010 / g. The fertilizer is produced by adding the urea, diammomium phosphate, potassium sulfate, medium trace element, root-promoting agent, solutizer into organic waste liquid and blending uniformly, then adding microbial inoculum. The invention uses the wastes to produce fertilizer with a low cost a high availability and a good prospect in the fertilizer industry. The fertilizer can be widely applied to the vegetables, melon and fruits, food, tobacco, forests and different commercial crops.

The invention belongs to the technical field of environmental engineering wastewater treatment, and particularly relates to multi-component oxidized micro-electrolysis filler and a preparation method thereof. The multi-component oxidized micro-electrolysis filler is mainly prepared from the following components in percentage by mass: 50-60% of iron, 20-30% of activated carbon, 12-15% of adhesive and 3-5% of catalyst through mixing, wherein iron is iron scrap or iron powder with particle size not more than 80 mesh; and activated carbon is in a powder and has particle size not more than 100 mesh. The preparation method of the multi-component oxidized micro-electrolysis filler comprises uniformly mixing iron, activated carbon, the adhesive and the catalyst according to the ratio, adding water, stirring and aging, then carrying out extrusion molding to obtain molded filler, demolding to obtain a filler blank, after naturally drying, drying, sintering in the absence of air, and cooling thefiller blank to obtain the multi-component oxidized electrolysis filler. According to the invention, the hardening, dead pool, stoppage and other practical problems existing in the use of the traditional micro-electrolysis fillers are solved.

The invention discloses a method for comprehensively improving saline and alkaline land soil, which is characterized by comprising the following steps of: applying different amounts of special improving medium for the saline and alkaline land soil according to the saline and alkaline conditions and carrying out rotary tillage for 1-2 times to uniformly mix the medium with the soil, wherein the applying amount of the improving medium is 10 kg / sq.m in a severe saline and alkaline land, 8 kg / sq.m in a moderate saline and alkaline land and 5 kg / sq.m in a light saline and alkaline land; inputting water to immerse the land surface, and then draining water after immersing for 3-8 hours; then covering a layer of nutrient-rich substrate with the thickness of 5-10 cm on the surface layer of the water-drained soil; finally, putting at least 20 alive earthworms into each square meter of soil and then farming. The method provided by the invention can overcome the disadvantages that the traditionalimproving technology is single and the saline and alkaline problem cannot be radically solved; by utilizing the method, the composition of a microorganism system of the whole farming layer is abundant, the structure is complicated and the function is complete; a good circulation of a spontaneous fermentation synthesis is formed, the growth of pathogenic bacteria in the soil is inhibited, and the saline and alkaline land is effectively and systematically improved.

The invention relates to a manganese residue compound fertilizer and a preparation method thereof. Manganese ore leached residue is used as the main raw material, a carbonate-containing fertilizer is added to convert calcium sulfate in the manganese residue into calcium carbonate, and the manganese residue compound fertilizer is prepared from the manganese residue containing the calcium carbonate, the lignin-containing additive, and one or more of nitrogen fertilizer, phosphate fertilizer and potash fertilizer. The carbonate-containing fertilizer and the lignin-containing additive can effectively prevent soil from packing together, keep the acid-base balance in soil, and enhance the fertilizer efficiency. The invention can effectively utilize abundant manganese residue generated in electrolytic manganese industry, and provides an effective way for recycling manganese residue.

The invention discloses a saline-alkali soil improving agent, and a preparation method thereof. The preparation method comprises following steps: fermented plant fiber and fermented animal excreta are uniformly mixed and grinded so as to obtain a mixture of 80 to 100 meshes; wood vinegar and water are added, uniform mixing is carried out, and an obtained mixed material is subjected to pelletizing and drying until water content ranges from 3 to 8%, wherein the adding amount of water accounts for 5 to 30% of the total weight amount of the mixture; an obtained product is sieved so as to obtain a granular mixture with a particle size ranging from 3 to 5mm; the granular mixture is subjected to drying and cooling, and a microorganism agent is sprayed onto the surface of the granular mixture; and an obtained semifinished product is uniformly mixed with a mixture A and a mixture B so as to obtain a finished product, wherein the mixture A is obtained via uniform mixing and grinding of ground phosphate rock, vermiculite, medical stone, sodium alginate, and polyacrylamide to 120 to 200 meshes, and the mixture B is obtained via uniform mixing and grinding of humic acid and furfural residue to 80 to 100 meshes. The saline-alkali soil improving agent is capable of reducing soil alkalinity, activating soil, reducing salinity and alkalinity effectively, improving saline-alkali soil structure, improving soil fertilizer conservation and water-holding capacity, improving saline-alkali soil physical and chemical properties, and realizing positive cycling of saline-alkali soil.

The invention discloses an organic cultivation method of leaf vegetables. The method mainly comprises the following steps of vegetable variety selecting, crop rotation soil preparing, fertilizer applying, seedling transplanting sowing, insect preventing net covering, spraying irrigating, field managing, topdressing and harvesting. The vegetables are covered with an insect preventing net, insects are prevented, the organic fertilizer formed by fermenting pure wormcast, plant ash, straw, smoked soil, bean cakes and cottonseed cakes is applied, and the organic vegetables without pesticide residues is produced. The organic cultivation method is simple, management is convenient, a new technology approach is provided for improving the vegetable quality and safety and producing organic vegetables, and the organic cultivation method is suitable for scale cultivation for farmers.

The invention discloses a water quality purifying agent. A formula of the water quality purifying agent comprises the following components in parts by weight: 15 to 55 parts of potassium hydrogen persulfate composite salt, 0 to 5 parts of sulfamic acid, 5 to 20 parts of citric acid, 1 to 12 parts of sodium carbonate, 0 to 10 parts of sodium bicarbonate, 0 to 0.5 part of magnesium carbonate, 0 to 9 parts of sodium hexametaphosphate, 15 to 30 parts of calcium peroxide, 0 to 1 part of sodium dodecyl benzene sulfonate, 0 to 2 parts of lauryl sodium sulfate, 0.05 to 0.1 part of polyethylene glycol, 5 to 15 parts of anhydrous sodium sulphate and 15 to 25 parts of composite microbial agent. In the formula of the water quality purifying agent, a composite potassium hydrogen persulfate product detoxifying technology and a sewage treatment technology beneficial for microorganisms to restore the micro-ecological balance are used for substituting the existing product capable of leading to the secondary pollution, the advantages such as fast onset of action and lasting effect can be realized, and the water quality purifying agent can take effect within half an hour; the water modification, detoxifying, bacteriostat and water purifying effect can last for 7 to 10 days, and the treatment on the water pollution and the restoration of the ecological balance can be realized in 7 days to 1 month.

The invention discloses an intercropping furrow irrigation method which comprises the following steps: ridging and making channels in farmland and arranging at least two channels and three furrows, wherein each furrow is trapezoid, the bottom width of each channels is 60cm, the bottom width of each furrow is 60cm-105cm, the height of each furrow is 15cm-25cm, the included angle of each furrow side and each channel bottom is 30 degrees to 45 degrees; arranging the line spacing as 13cm-20cm if wheat is grown on the furrows, and arranging the line spacing as 20cm-30cm if soybean is grown on the furrow; growing two lines of corn in the channels, wherein the line spacing is 40cm-50cm, and the row spacing is 25cm-45cm; and irrigating farmland irrigation water in the channels when the crops are in the critical growth period. Compared with ground irrigation, by means of the intercropping furrow irrigation method, water can be saved by 30%-50%, yield can be increased by 10%-40%, the water use efficiency is obviously improved, and not only the economic benefits are significantly obtained, but also the resources can be saved. Therefore, the intercropping furrow irrigation method plays a significant role in stable and sustainable development of the agricultural ecosystem.

The invention discloses a multi-stage thermal desorption device for waste salt refining. The multi-stage thermal desorption device comprises a first-stage hot air heating furnace, a first-stage rotary kiln, a second-stage hot air heating furnace, a second-stage rotary kiln, feeders and an induced draft fan, wherein a feeding hole and one of the feeders are arranged at the top of the first-stage rotary kiln; the bottom of the first-stage rotary kiln is connected on the feeder of the second-stage rotary kiln through a pipeline; a discharge hole is formed in the bottom of the second-stage rotary kiln; an air outlet of the second-stage hot air heating furnace is connected with the bottom of the second-stage rotary kiln; a pipeline connected with the top of the first-stage rotary kiln is arranged on an air inlet of the second-stage hot air heating furnace; an air outlet of the first-stage hot air heating furnace is connected with the bottom of the first-stage rotary kiln; and a pipeline and the induced draft fan which are connected with the top of the second-stage rotary kiln are arranged on an air inlet of the first-stage hot air heating furnace. The device and a technology provided by the invention are mainly used for refining of waste salt, the structure is simple, the thermal desorption efficiency of organic matters is high, gases generated by thermal desorption are circularly utilized, no tail gas is generated, atmospheric pollution is avoided, and economic benefits and environmental benefits are achieved.

The invention provides a soil improvement and anti continuous cropping multifunctional biological agent which contains the mixed microorganism of trichoderma pseudokoningii and bacillus subtilis, faveolate humic acid and zinc sulphate; the trichoderma pseudokoningii is a bacterial strain obtained by separating and screening maize straw; the bacterial strain is named after (Trichoderma pseudokoningii) DLDI and is preserved in China general microbiological culture collection (CGMCC), and the number thereof is CGMCC NO.3221; the bacillus subtilis obtained by separating soil is named after (bacillus subtilis) DLD2 and is preserved in China general microbiological culture collection (CGMCC), and the number is CGMCCNO.3222; the biological agent has the effects that (1) biocontrol microorganism is used for blocking harmful flora from infecting plants and killing pathogenic bacteria, induces the plants to generate disease resistance and prevents dead seedlings from rotting roots; (2) the microorganism and the faveolate humic acid are compounded to induce the root system to grow, thus realizing root regeneration and plant regeneration and inhibiting the anti continuous cropping diseases; and (3) the faveolate humic acid and the zinc sulphate are used for breaking the soil hardening of the soil, forming the crumble structure, realizing no deep ploughing, retaining water, alleviating fertilizer damage and increasing the soil productivity.

The invention belongs to the field of a fertilizer, in particular to a potassium humate compound fertilizer and a preparation method thereof. The potassium humate compound fertilizer is prepared by mixing urea, potassium humate, monoammonium phosphate, ammonium chloride, calcium powder and bentonite with magnesium sulfate, zinc sulfate and medium / trace elements. The potassium humate compound fertilizer granulated by using a steam drum physical agglomeration method and the preparation method of the compound fertilizer have the advantages that the prepared potassium humate compound fertilizer has large particle size and high strength and does not agglomerate; the capabilities of water and fertility retention, heat preservation and ventilation of the soil are enhanced; the soil structure is improved; the soil fertility is increased; the problems of reduced soil fertility, environmental pollution, soil hardening, nutrition unbalance and stress resistance of crops are solved; the utilization rate of the fertilizer is improved; the defects of low fertilizer efficiency, insufficient nutrition utilization, overproof pesticide residue, severe nitrate accumulation and heavy metal pollution are overcome; the sustained-release effect against pesticide is realized; the agroecological environment is protected; and the efficiency, yield and crop quality are improved.

The invention relates to the technical field of fruit tree planting and particularly relates to a method for planting passion fruits. The method provided by the invention comprises the following steps: a. carrying out land preparation and seed preparation: deeply plowing land after Beginning of Spring, applying lime and carbendazim during deep plowing, sunning soil for 4 to 8 days, then, carrying out leveling, and digging passion fruit planting pits; b. shelving passion fruit planting shelves; c. planting the passion fruits: firstly, applying a bedding material to the bottom of each planting pit, planting passion fruit seedlings, covering the planting pits with soil, irrigating field planting water, and digging a round of dressing furrow in a manner of taking each passion fruit seedling as a center; d. carrying out field management: 3 years after planting, pulling out 1 / 4 to 1 / 3 of old vines in turn every year in a spaced manner; and e. carrying out harvesting: carrying out picking in a non-scheduled manner when the passion fruits are mature. According to the method provided by the invention, soil properties are improved, the problem, i.e., soil hardening is effectively solved, and the soil is high in permeability and plays roles in preserving moisture and heat; and by rational application of fertilizer, the utilization rate of the fertilizer is increased, yield and income are increased, and thus, a reference is provided for sustained development of the passion fruits.

The invention provides a preparation method for a composite carbon based nano zero-valent iron micro electrolysis material and a method for treating antimony-contained wastewater. The composite carbonbased nano zero-valent iron micro electrolysis material provided by the invention is a micro electrolysis material which takes an element carbon as a carrier, is loaded with nano zero-valent iron, and is doped with an element copper as auxiliaries, wherein the metal element is covered by the element carbon. The material has relatively high redox potential difference of the micro electrolysis material, an over-sized specific surface area of a mesoporous material, excellent redox activity and excellent performances of the nano material. The composite carbon based nano zero-valent iron micro electrolysis material provided by the invention is low in preparation cost, is high in efficiency of treating antimony-contained wastewater, is simple in operation method and is very suitable for adsorbing pollutants in an environment water sample.

The invention discloses a planting method for an early chrysanthemum. The planting method comprises the following steps of land preparation and soil preparation, seedling cultivation, timely transplanting, field management, harvesting and processing. The planting method for the early chrysanthemum is easy to learn and popularize, beneficial to high yield and suitable for large-scale production. Through using an organic fertilizer with a unique formula, soil permeability, water retention, fertility conservation, and soil and plant diseases and insect pests prevention can be improved, thereby fundamentally solving the problem of soil compaction. Through disinfection and pre-culture, cuttings obtain a good disease resistance and a high survival rate. After being transplanted, the early chrysanthemum is covered by a black film so that herbicides can be eliminated, and management is simplified. An insecticidal yellow sticky board combines with a Chinese herbal medicine spray insecticide, thereby meeting the requirements of environmental protection and energy conservation, greatly reducing the plant diseases and insect pests of the early chrysanthemum, and improving the quality of the early chrysanthemum. Spraying nutrient solution can provide comprehensive nutrition, and enable the early chrysanthemum to be not easy to die and obtain vigorous and fast growth, moreover, the nutrient solution also has zinc and selenium elements with a health care effect.

The invention discloses a planting method of phyllostachys pracecox shoots. The planting method comprises following steps of: step S1, soil improvement: arranging planting holes, having 30 to 70 cm in length and width and 20 to 50 cm in depth, prior to planting; applying organic fertilizers into the holes: step S2, selecting parent bamboos; step S3, planting of seedlings: putting parent bamboos into holes according to direction of bamboo rhizome, horizontally placing bamboo rhizome, back-filling soil of holes in layers, watering and moisturizing and piling for fixation; step 4, water and fertilizer management performed in such a manner that watering amount per mu is up to 10 to 20 tons between the shooting period in February and differentiation of shoot bud from August and September, commercial organic fertilizers are applied between February and March of the shoot-fattening period, bullwhip fertilizers are applied between June and July and applying microorganism punching fertilizers and uniformly stirring up by adding water, applying commercial organic fertilizers per mu between July and August of the period of applying sprouting fertilizers, applying shoot-delivering fertilizers and self-made compost; and step 5, keeping mother bamboos. The planting method of phyllostachys pracecox shoots has following beneficial effects: phyllostachys praecox can be smoothly intruded so that overall survival rate of introduction is up to 98%; on the condition that quality is ensured, output reaches 2500 kg per mu; and compared with a source area, phyllostachys pracecox shoots can appear on the market as usual in terms of shoot-emerging time.

The invention discloses an environment-friendly, sanitary and saving type meat breeding duck fermentation bed raising house and belongs to the technical field of poultry raising. The environment-friendly, sanitary and saving type meat breeding duck fermentation bed raising house is mainly characterized in that a breeding duck shed comprises a bottom inflation fermentation bed, and the bottom inflation fermentation bed comprises a fermentation bed cushion layer and an inflation fermentation system below the fermentation bed cushion layer; the fermentation bed cushion layer comprises a surface layer discrete padding layer with the thickness of 20 cm and a lower layer straw layer with the thickness ranging from 15 cm to 20 cm; the inflation fermentation system comprises an inflation power device and an inflation pipeline device connected with the inflation power device and located below the cushion layer. Due to the environment-friendly, sanitary and saving type meat breeding duck fermentation bed raising house, the problem that fermentation bed padding hardens because of biological characteristics of ducks is effectively solved, the aerobic degradation capacity of fermentation bed padding for dung of the breeding ducks is improved, emission of foul gas and greenhouse gas is reduced, and the aerobic degradation capacity for dung of the breeding ducks is improved; the water requirement in the drought raising stage is met by a drinking device and a spraying cleaning device, and meanwhile, consumption of water sources is reduced.

The invention discloses a system and a method for simulating water inrush from coal mining floor above artesian water aquifers. The system is composed of a two-dimensional similar simulation experimental device, a loading device, a rising guide device and a data acquisition device, wherein the two-dimensional similar simulation experimental device comprises a test bed; the rising guide device comprises a sac body, a board guard trough, a U-shaped groove and a rising guide pipe positioned on the upper surface of the sac body, the U-shaped groove is disposed on the bottom plate of the test bed, the sac body is fixed in the U-shaped groove, the board guard trough is arranged at two sides of the bottom plate, a plurality of holes are formed on the inner wall of the board guard trough, a plurality of branched pipes are arranged on the rising guide pipe at uniform intervals in a vertical direction, and are disposed at the outer side of a model when the model is laid. The system can monitor the formation process of the water inrush channel of the coal mining floor above artesian water aquifers and the rising guide position of artesian water, thereby having a certain guiding significance on simulation of water inrush from coal mining floor above artesian water aquifers.

A bioreactor with internal with internal circulation and dual filters for treating sewage is composed of water distributing chamber with water distributor, bearing plate, bearing layer, fitlering layer and cyclic aerating cylinder with filter-water outlet unit. The sewage is circulating through said water distributor, cycle aerating cylinder and filter layer, and is filtered by filter layer and the filter-water outlet unit.

The invention belongs to a method for preparing a microelectrolysis filler by using various industrial solid wastes and particularly relates to a treatment method for comprehensive utilization of various industrial solid wastes. Aiming at the drawbacks of the conventional microelectrolysis filler, the invention provides a method for preparing the microelectrolysis filler, which is different from the conventional microelectrolysis filler, by using various industrial solid wastes. In the method, the various industrial solid wastes are subjected to innocent treatment in high-temperature and high-heat environments by taking full advantage of the chemical components of the various industrial solid wastes, adopting a mixing, pelletizing and roasting process and fully utilizing a roasting system, and then are prepared into the microelectrolysis filler; and the method has unique technical and economic advantages and meets environment-protection requirements.

The invention belongs to the field of polymer materials, and concretely discloses an antibiotic degradable water retaining agent and a preparation method thereof. The water retaining agent is prepared from acrylic acid, acrylamide, long-chain quaternary ammonium salt, kaolin and sodium alginate through a redox system aqueous solution polymerization technology with ammonium persulfate or potassium persulfate as an oxidant, sodium bisulfite as a reducing agent and N,N-methylenebisacrylamide as a cross-linking agent. Acrylic acid is neutralized with ammonia water or ammonium bicarbonate, so the problem of soil hardening induced by long-term application of a sodium base water retaining agent to soil is avoided, and nutrients are provided. Kaolin with low price and wide sources and biodegradable sodium alginate are introduced to a copolymerization system, so the preparation cost of the water retaining agent is effectively reduced, and the gelly strength, the water absorption rate, the salt resistance and the biodegradability of the water retaining agent are improved. A wide-spectrum antibiosis material is also introduced, so storage of the degradable water retaining and further prolongation of the service life of the water retaining agent are facilitated. The antibiotic degradable water retaining agent can be widely applied in the fields of agriculture, forestry, gardening, ecologic construction and desert treatment.

The invention discloses a method for culturing clanis bilineata walker by utilizing kudzu vine. The method comprises the following steps of: (1) kudzu vine planting and field management; (2) clanis bilineata walker stocking, catching and marketing; and (3) kudzu root harvesting and seedling reservation through pruning. The method disclosed by the invention has the advantages of three-dimensional culture, great leaf quantity, less diseases, non-lodging, long culture cycle, high acre yield of clanis bilineata walker and no overlapped stubble of perennial; and by utilizing the method disclosed by the invention, kudzu roots can be harvested simultaneously and processed into kudzu powder with a health-care function, thus the method is beneficial to the further improvement of clanis bilineata walker culture benefits.

The invention relates to an acid soil regulator with a plant nutrient function and a preparation method thereof. The acid soil regulator is prepared by uniformly mixing basic materials and auxiliary materials, wherein the basic materials are prepared by mixing and fermenting brewer's grains, peat soil, traditional Chinese medicine dregs, soybean meal powder, straw powder, edible fungi dregs, pineapple paste, apple paste, silkworm excrement, proteolytic enzyme, nitrogen-immobilizing bacteria, rhizobium, potassium-decomposing bacteria, cellulose decomposing bacteria, antibiotic producing bacteria and water; the auxiliary materials are prepared by uniformly mixing earthworm manure, charcoal residues, urea, plant ash, lime powder, urea iron complex, and chelated zinc. The preparation method comprises the following steps of A, preparation of the basic materials; B, preparation of the auxiliary materials; C, preparation of the soil regulator. The acid soil regulator has the advantages that multiple rich and absorbable nutrients are provided for the plant growth, the problem of soil caking is effectively solved, the air ventilating property of the soil is improved, the acidity of the soilis reduced, and the fertilizer-maintaining and water-maintaining ability of the soil is enhanced. The preparation method has the advantages that the preparation method is simple, the implementing iseasy, the investment cost is low, and the preparation method is suitable for large-area popularizing.

The invention relates to a liquid fertilizing and water-retaining mulching film and a preparation method thereof and belongs to the technical field of agricultural production. The liquid mulching film comprises components in percentage by mass as follows: 1%-10% of a modified macromolecular composite polymer and 90%-99% of a fertilizing agent; the modified macromolecular composite polymer comprises components in parts by weight as follows: 35-45 parts of ultra-fine silica sol, 5-10 parts of zinc oxide, 40-100 parts of carboxymethylcellulose or hydroxypropyl methyl cellulose, 20-30 parts of N-isopropylacrylamide, 0.02-0.3 parts of a cross-linking agent and 0.4-1.2 parts of an initiator; the solid content of the ultra-fine silica sol is in a range of 10-30wt%, and particle sizes of silica in the ultra-fine silica sol are in a range of 1-100 nm. The prepared liquid mulching film can significantly increase the water-retention rate of soil and improve physical and chemical properties of the soil, can be completely degraded, is free of pollution and can substitute for plastic mulching films on a large scale.

The invention discloses a processing production and use method of a microelectrolysis filler for wastewater treatment. The prepared microelectrolysis filler consists of the following raw materials: iron powder, inert carbon powder, a binding agent, a surfactant A10, and trace amounts of molybdenum powder and chromium powder. The microelectrolysis filler disclosed by the invention can solve the problems of hardening, passivation, activation and difficulty in replacement of the filler adopted by the conventional microelectrolysis sewage treatment process.

The invention relates to a micro infiltrating irrigation pipeline for water-saving irrigation, which is in a pipe-shaped structure, and is characterized in that a pipe body is made of waste tyres and polyethylene in high-temperature injection molding, a large quantity of capillary micropores in different shapes and uncertain directions are distributed in a pipe wall, and water is uniformly permeated from inside to outside. Compared with the irrigation pipeline, the micro infiltrating irrigation pipeline has the advantages of good quality, saving, economic property, production increase, income increase being over 50%, and remarkable economic benefit. By using the product of the invention, the fertilizer-free planting can be realized under a certain environment, water can be saved over 90% compared with spray irrigation, the irrigation efficiency is high, the growth of crops can be prompted, the soil agglomerate phenomenon can be reduced, and the soil improvement is facilitated.

A Preparation method for total-degradation layer-structured rice seedling-growing tray relates to the preparation method for the rice seedling-growing tray. The preparation method settles the following problems in existing rice seedling growing: degrading incapability of plastic seedling-growing tray, low moldability of a degradable seedling-growing matrix, requirement for matched use of the seedling-growing tray, and incapability of realizing soilless cultivation. The preparation method of the invention comprises seven steps: a first step, preparing rice straw biological carbon; a second step, performing nitriding modification processing on the rice straw biological carbon; a third step, processing compost; a fourth step, preparing a seedling growing main material; a fifth step, performing acid treatment and drying treatment; a sixth step, performing laying operation by means of a seedling-growing tray mold; and a seventh step, laying a lower-layer fiber felt, the seedling growing main material and an upper-layer fiber felt. According to the preparation method, the waste material of a crop is sufficiently utilized, and total degradation of a rice seedling growing matrix is realized. The seedling growing matrix which is prepared according to the invention can improve the condition of a farmland soil year by year. The preparation method is used for preparing the total-degradation rice seedling-growing tray.

The invention discloses a waste water reduction treatment process, which comprises steps as follows: (1), processing pretreatment on waste water, adjusting the pH value of waste water to acid, removing suspension, and arranging electrodes in a reactor, while the electrode distance is 1-50cm and the electrodes are alternatively arranged with cathode and anode, or arranged radial, wherein the anode material is iron, and the cathode uses carbon, copper, nickel, palladium or manganese dioxide, (2), arranging the waste water after pretreatment into the reactor, using a wire to connect the anode and cathode to process 0.5-4h, discharging waste water, adds sodium hydride or lime solution to adjust pH value to 8-9, deposits flocculates, and feeding supernatant into following treatment. The invention is characterized in low energy consumption, environment protection, better treatment effect, and simple operation.

The invention discloses a novel seal box type scraper conveyor and belongs to the technical field of conveyors. By means of the novel seal box type scraper conveyor, the high-viscosity high-temperature powder-shaped material is avoided from hardening, bonding and dust in conveying. The novel seal box type scraper conveyor comprises a headstock, a head wheel component, a tail frame, a tail wheel component, a scraper chain, a regulating chain, a single-layer transportation intermediate tank, support legs, connecting bolts, a drive device, a single-layer transportation intermediate tank with a hole, and a flat plate gate; the head wheel component is connected with a left rack and a right rack through connecting bolts, after a closing plate A and a closing plate B are placed in side rack slots, each of a left press beam and a right press beam is fixed through connecting bolts; a left climb passage, a right climb passage and a transitional arc plate are fixed at the arc-shaped transition position of the inner side of a transition rack through countersunk bolts; a cover board and a rubber sealing strip are fixed with the side racks and the transition rack through connecting bolts. The novel seal box type scraper conveyor is mainly used for conveyors.

The invention relates to a compound microbial fermented soil conditioner including the following raw materials in parts by weight: 290-315 parts of urea, 290-315 parts of a nitrogen and potassium compound fertilizer, 235-260 parts of ammonium dihydrogen phosphate, 40-60 parts of potassium pyrophosphate, 1-3 parts of chelated iron, 3-5 parts of chelated zinc, 80-100 parts of a fermented product oflignite or weathered coal and a microbial agent, and 900-1100 parts of an anticaking agent. The compound microbial fermented soil conditioner provided by the invention comprises humic acid rich in mineral sources, solves the problems of soil hardening, acidification, salinization and the like, also has a good role in promoting plant root systems, and greatly improves other corresponding agronomictraits. The microbial agent has the abilities of nitrogen fixation, phosphorus removal, potassium removal, plant hormone production or antibiotic secretion, promotes the material circulation and nutrient supply in soil, and improves the soil fertility and the fertilizer utilization rate.

The invention discloses a method using poultry cultivation waste water to process soil hardening and belongs to the field of waste water treatment. The method includes: guiding activated sludge in an anaerobic tank into a treatment tank with the poultry cultivation waste water, well mixing, then adding extracted plant extract into the treatment tank to obtain mixed liquid, performing anaerobic fermentation on the mixed liquid until black mixed turbid liquid is obtained, and guiding the black mixed turbid liquid into perforated hardened soil to solve the soil hardening problem. Practical examples prove that the method has economic benefits and is simple and practicable, low in cost, free of secondary pollution and capable of solving the soil hardening problem.