63results about How to "Improve salinization" patented technology

The invention provides a method for preparing environment-friendly and high-efficiency biological organic fertilizer by using distilled spirit vinasse, comprising the following steps of: puffing fermentation substrate by a threaded rod type puffing machine; transporting into a wet material mixing machine, cooling and adding microelement mineral salt, and inoculating bacterium liquid in proportion when the temperature is reduced to 30-35DEG C, completely mixing; and filling the inoculated and mixed fermentation substrate into a novel silica gel breathable membrane fermentation bag, packaging and sealing by an automatic metering and packing system, and fermenting for 5-7 at constant temperature in a fermentation room to obtain a finished product. The fermentation substrate is prepared by evenly mixing 50-60 parts by weight of distilled spirit vinasse, 5-10 parts by weight of humic acid, 5-15 parts by weight of sunflower husk powder, 5-10 parts by weight of ammonium sulfate, 5-10 parts by weight of potassium chloride and 5-10 parts by weight of corn steep liquor, wherein the water content of the fermentation substrate is 30-40 wt%; and the mixed bacterium liquid comprises bacterium liquid of streptomyces jingyangensis, clostridium butyricum, pseudomonas mendocina, azotobacter chroococcum and rhizopus oryzae.

The invention relates to a saline-alkali soil improving method. The method combines farming improvement, water conservation improvement and application of a saline-alkali soil amendment, wherein farming improvement comprises deep ploughing, upturned soil sunning and land levelling; water conservation improvement comprises underground salt drain pipe laying and irrigation. With adoption of the method, soil bulk density and soil salinity of the saline-alkali soil can be reduced, soil porosity and soil nutrients can be increased, so that salinization of the soil is effectively improved, and the problems of reduction of grain yield, reduction of vegetation cover area, deterioration of the ecological environment and the like caused by salinization of the soil are relieved; the method is high in pertinence and remarkable in effect, popularization and promotion of technologies are facilitated, and large-scale application can be realized.

The invention discloses a saline and alkaline land improvement method adopting compound waste, and relates to the technical field of saline and alkaline land improvement. The method comprises the following steps that S1, a desulfurized gypsum improvement agent is uniformly thrown to the surface of to-be-improved coastal saline and alkaline land, wherein the application amount of the desulfurized gypsum improvement agent is 1,800-2,000 kg / mu; S2, the coastal saline and alkaline land is subjected to rotary tillage by 15-20 centimeters; S3, after rotary tillage, the coastal saline and alkaline land is deeply ploughed by 30-40 centimeters; S4, the desulfurized gypsum improvement agent is uniformly thrown to the surface of the saline and alkaline land again, wherein the application amount of the desulfurized gypsum improvement agent is 1,800-2,000 kg / mu; S5, the saline and alkaline land is subjected to rotary tillage by 15-20 centimeters again; S6, after 1-2 months, land irrigation, salt leaching and alkali discharging are conducted. The saline and alkaline land improvement method adopting the compound waste has the advantages that industrial waste such as desulfurized gypsum and iron and steel slag is utilized, the improvement cost is reduced, and the salinity in soil and the pH value of the soil are reduced.

The invention discloses a preparation method of a multifunctional soil conditioner. The method comprises the following steps: firstly preparing fiber microcrystal, potassium acrylate and bacterial suspension, then mixing the obtained fiber microcrystal and the potassium acrylate with an initiator and a cross-linking agent, performing stirring reaction in a 60 DEG C water bath condition, reducing the temperature to 40 DEG C, slowly adding the bacterial suspension, continuously stirring, then leaving the materials to stand and performing ageing to form gel, and performing cleaning, drying and crushing, so as to form the soil conditioner. The preparation method is simple in operation, low in technical difficulty and high in operability, and the soil conditioner has water retention and fertilizer retention properties, further has the property of organic matter degrading, has certain absorption effect on heavy metal, can effectively improve oil depletion, desertization and salinization, and has a good market value and application prospect.

The invention discloses a water-saving green drip irrigation cultivation method of facility melons. The cultivation method comprises the steps of building a micro-nano bubble oxygen-adding drip irrigation system, a solar heating system, a greenhouse structure and a disease and insect pest green prevention and control system. Micro-nano bubble water generated through a micro-nano bubble generatingdevice has a high dissolution capacity, the absorption and utilization of crops to fertilizer can be improved, the fertilizer applying amount is reduced, and a desalination salt separation area is formed in a root area; before the crops are planted, by conducting micro-nano bubble water drip irrigation with the assistance of an ultrasonic sterilizing lamp to sterilize and disinfect soil and air, breeding and propagation of pests can be effectively controlled. In the cultivation process, water-fertilizer-air integrated irrigation by adding oxygen through the micro-nano bubble water is conductedwith the assistance of a compound EM fungicide, and the high yield and good quality can be guaranteed while the utilization rate of the fertilizer is increased, the soil salinization and ventilationare improved, and the irrigation amount is saved.

The invention provides a method for planting rice in saline and alkaline land. First, fermented ferns and ardealite are applied into soil to improve the salinity and pH value of the soil, and meanwhile the fermented ferns contain rich organic nutrients needed by growth of the rice, thereby prompting growth of the rice greatly; then, ammonium chloride is applied, and after the rice absorbs NH3+ in the growth process, acid radical ions of the ammonium chloride have the effect of further lowering the pH of the soil. Thus, by means of the planting method, the yield of the rice planted in the saline and alkaline land can be increased by 20-30%, the salinization and alkalinization of the soil are improved, the pH value of the soil is lowered, and the fertility of the soil is improved. Besides, the method is easy to implement, high in routinization, easy to popularize, low in planting cost and capable of reducing disease and pest damage in the growth process of the rice.

The invention discloses amino acid microbial ecological fertilizer and a preparation and using method thereof. The preparation method of the amino acid microbial ecological fertilizer comprises the steps that 1, an organic matter substrate is prepared, wherein the organic matter substrate is amino acid particles; 2, bacterial strains are selected and prepared into powder; 3, an organic coating agent is prepared, wherein caramel pigment and water with the mass ratio being 1:3-10 are evenly mixed at the temperature of 30-60 DEG C, and therefore the organic coating agent is obtained; 4, 500-1000 parts by weight of the amino acid particle organic matter substrate is coated with 1-10 parts by weight of the organic coating agent, then 2-15 parts by weight of the powder is evenly stuck to the organic coating agent, and therefore the amino acid microbial ecological fertilizer is obtained. The preparation method of the amino acid microbial ecological fertilizer has the advantages that microorganism death can be effectively avoided, and the shelf life of the fertilizer can be prolonged.

The invention relates to a special liquid package cotton fertilizer for improving soil, and a preparation method and application method of the liquid package fertilizer. According to the special liquid package cotton fertilizer for improving soil, the special liquid package fertilizer consists of a composite microbial liquid fertilizer and a macroelement water-soluble fertilizer, wherein the composite microbial liquid fertilizer consists of an amino acid fermentation liquid, fulvic acid, microbial bacteria, a nitration inhibitor and polyaspartic acid, and the macroelement water-soluble fertilizer consists of urea, monoammonium phosphate, potassium chloride, magnesium sulfate heptahydrate, EDDHA-iron, EDDHA-zinc, EDDHA-manganese, EDDHA-copper, boric acid, carboxymethyl cellulose, an amino acid fermentation liquid, bentonite and sodium pyrophosphate. The invention also discloses the preparation method and application method of the package fertilizer. According to the special liquid package cotton fertilizer for improving the soil provide by the invention, the requirements on nutrients in different growth and development periods of cotton can be met, and salinization of soil in Xinjiang can be improved. The application method of the special liquid package fertilizer conforms to the growth characteristics and fertilizer requirement laws of the cotton.

The invention discloses a method for improving saline-alkali land. The method includes the steps of A, subjecting the saline-alkali land to deep ploughing, upturned-soil drying and leveling; B, subjecting the leveled saline-alkali land to salt elimination with underground pipes; C, after the underground pipes are laid, irrigating the saline-alkali land; D, applying a soil improver to the saline-alkali land after treatment. The steps A and D are performed once a year for 1-3 years continuously; with the method, soil salinity in the saline-alkali land can be reduced, soil nutrient is increased,and purposes of improving soil salinization, increasing grain output, enlarging vegetation coverage, alleviating ecological and environmental degradation and the like efficiently are achieved; the method is highly targeted, remarkable in effect and capable of being applied on a large scale.

The invention provides a storage battery restoration circuit which comprises a voltage threshold unit for connecting two poles of the storage battery with a pulse control unit, wherein when the voltage of the storage battery is greater than or equal to a preset initial voltage, the connection of the storage battery with the pulse control unit becomes conductive, and the storage battery supplies power to the pulse control unit, when the voltage of the storage battery is less than or equal to a preset cut-off voltage, the storage battery is disconnected with the pulse control unit, and the storage battery stops supplying power to the pulse control unit; the pulse control unit which is connected with a pulse output unit, receives power supply of the storage battery, generates a pulse control signal, and outputs the pulse control signal to the pulse output unit; the pulse output unit which is connected with the two poles of the storage battery, generates pulse current according to the pulse control signal, and outputs the pulse current to the storage battery. The invention also provides a storage battery restoration device and a storage battery restoration method. Through the technical scheme of the invention, the salinization of the storage battery is effectively improved, and no side effect on the storage battery is generated.

An muddy coast saline-alkali soil ecotype comprehensive improving method is provided; the method comprises the following steps: digging gutterways; digging water channels on the bottom of the gutterways; paving a salt drainage pipeline in the water channel; paving an isolation layer on the water channels; filling block and particle type rocks in the isolation layer, and using an earthwork cloth to isolate the surrounding soil; adding certain amount of an organic fertilizer-rice husk mixed material into the gutterway backfill soil; planting tree seeds vegetation having strong adaptive ability on the coastal muddy zone enclosing district original soil and improved soil. The comprehensive and vertical technical method is low in investment, cannot pollute the environment, can well process the muddy coast soil salinization problems, and is low in invest, strong in sustainability, and strong in ecological environment benefits.

The invention relates to water-soluble organic biological bacterial fertilizer for drip irrigation crops, which comprises the following components in parts by weight: 15-30 parts of a functional water-soluble biological organic liquid, 1-5 parts by weight of a microbial liquid, 10-30 parts by weight of water-soluble nitrogen fertilizer, 5-20 parts by weight of water-soluble phosphate fertilizer, 5-20 parts by weight of water-soluble potash fertilizer, 1-2 parts by weight of water-soluble trace element fertilizer and 30-45 parts by weight of water. The pH value of the water-soluble organic biological bacterial fertilizer is 6-7, nutrient elements contained in the water-soluble organic biological bacterial fertilizer are in an ionic state, organic matters contained in the water-soluble organic biological bacterial fertilizer are micromolecular organic matters, and the water-soluble organic biological bacterial fertilizer is wide in distribution range when applied into soil along with water, large in contact surface with microorganisms and rapid in decomposition and conversion and is more easily and efficiently absorbed and utilized by crops compared with conventional organic fertilizer. The fertilizer is applied to plant root systems along with water drops, has rich soil microbial flora abundance, inhibits soil-borne diseases such as cotton verticillium wilt and the like, and hasthe capabilities of improving soil fertility and stimulating crop growth.

The invention discloses a fertilizer specially used for ginger. The fertilizer is prepared from, by weight, 40-50 parts of urea, 15-25 parts of calcium superphosphate, 80-90 parts of potassium fulvate, 0.04-0.06 parts of 2-diethylaminoethyl hexanoate, 40-60 parts of earthworm manure, 3-5 parts of traditional Chinese medicinal residues and 10-15 parts of diatomite. The fertilizer disclosed in the invention is prepared through reasonably matching an inorganic fertilizer and an organic fertilizer meets nutrient demands of ginger growth; and a mass ratio of nitrogen to phosphorus to potassium in the fertilizer is about 1:0.6:2, so the ginger growth rule is met, the resource utilization rate is improved, soil environment is improved, grown ginger has high nutrition values, special flavor and low incidence of diseases, and the output is increased by 20-30%. The fertilizer has the advantages of easily available raw materials, simple preparation method and good economy values, and is worth to be popularized.

The invention discloses a rice straw compound fertilizer for improving saline-alkali lands. The compound fertilizer is prepared from the following components in proportioning: 1000 parts of dry straws, 2000 parts of biogas slurry, 250-400 parts of urea, 60-80 parts of monopotassium phosphate, 60-90 parts of boric acid, 80-90 parts of chromium trichloride, 80-100 parts of manganese chloride, 120-140 parts of zinc sulfate, 12-15 parts of Trichodermaspp, 12-20 parts of Aspergillusflavus, and 20-30 parts of Polyangiumcellulosum. The preparation of the compound fertilizer comprises the following steps of: selecting the biogas slurry; implementing aerobic fermentation; implementing anaerobic fermentation; adding boric acid, chromium trichloride, manganese chloride and zinc sulfate in a fermentation tank and evenly mixing to obtain a mixture; and bagging for packaging the mixture.

The invention relates to a modification agent used for modifying soil, and especially relates to a snow-melting-agent-resistant soil-modification composite water-retention fertilizer. The fertilizer comprises, by weight: 4-6 parts of humic acid, 0.5-1.5 parts of a high-molecular-material water-retention agent, and 40-60 parts of an organic fertilizer. The organic fertilizer is prepared through microbe fermentation. The high-molecular-material water-retention agent is polyacrylate. Compared with prior art, the fertilizer provided by the invention has low cost, and assists in substantially ameliorating a soil salinization problem caused by snow-melting agent applciation. With the fertilizer, soil structure can be substantially improved, soil water retention can be enhanced, soil Na<+> and Cl<-> ion contents can be reduced, soil sodium adsorption ratio SAR can be reduced, the damage of the snow-melting agent upon soil and greening plants is reduced, highway greening plant growth and maintenance are facilitated, and great economic benefit can be provided.

The invention provides a pH sensitive bacillus subtilis fungicide. The fungicide comprises bacillus subtilis and / or spore, dopamine or salt thereof and pH sensitive polymer macromolecules. The dopamine is attached to the surface of the bacillus subtilis, and the surface of the dopamine is coated with the pH sensitive polymer molecules, so that the pH sensitive bacillus subtilis fungicide capable of adjusting the release amount of live bacteria wrapped therein according to the pH vale of the environment can be prepared. In the salinization soil, by applying the pH sensitive bacillus subtilis fungicide provided in the invention, the live bacteria can be rapidly released, so that the soil salinization problem of the soil can be rapidly improved; and by applying the pH sensitive bacillus subtilis fungicide provide in the acidified soil, the release rate of the live bacteria in the fungicide can be effectively retarded, the loss of organic fertilizer generated by the decomposition of live bacteria in the acid soil can be prevented, and the utilization efficiency of the fertilizer can be improved.

The invention discloses a method for planting rice in a saline-alkali land of the Yellow River irrigation district. The method comprises the steps that (S1) seedling culture is carried out; (S2) calcium sulfate powder is scattered in a ploughed and stirred saline-alkali paddy field with loose and soft soil, ploughing and stirring are conducted again, the paddy field is leveled, water is injected till the water level is 5-10 cm higher than the flat soil surface, and field steeping is continued for 7-10 days; (S3) water accumulated on the field surface is discharged, washing with flowing water is conducted for one time, a soil conditioner is applied, ploughing and leveling are conducted again, water is injected till the water level is 3-7 cm higher than the water surface, and rice seedlings are inserted; and (S4) additional fertilizers are applied periodically to supplement rice nutrients till the rice gets mature. The method for planting the rice in the saline-alkali land of the Yellow River irrigation district disclosed by the invention has the advantages that operations are simple; the programming degree is high; promotion is easy; the planting cost is low; soil salinization can be improved; a soil pH value can be reduced; soil fertility can be increased; and the yield of the rice planted in the saline-alkali land can be increased by 20%-30%.

The invention discloses a soybean straw compound fertilizer for salinized soil. The soybean straw compound fertilizer is prepared from the following components in proportioning: 1000 parts of dry straws, 2000 parts of biogas slurry, 200-300 parts of urea, 60-80 parts of monopotassium phosphate, 20-30 parts of ammonium molybdate, 150-200 parts of disodium octoborate tetrahydrate, 80-100 parts of manganese chloride, 100-120 parts of zinc sulfate, 12-15 parts of Trichodermaspp, 12-20 parts of Aspergillusflavus, and 20-30 parts of Polyangiumcellulosum. The preparation of the compound fertilizer comprises the following steps of: selecting the biogas slurry; implementing anaerobic fermentation; implementing aerobic fermentation; adding ammonium molybdate, disodium octoborate tetrahydrate, manganese chloride and zinc sulfate in a fermentation tank and evenly mixing to obtain a mixture; and bagging for packaging the mixture.

The invention relates to the technical field of agricultural production and the field of rice planting, in particular to an ecological planting method for pollution-free rice. The ecological planting method is characterized by comprising the first step of soil improvement and the second step of intercropping management. Improvement is carried out on alkaline soil of saline rice soil so that the soil can be beneficial to rice planting; meanwhile, economical animals suitable for alkalescence water quality are bred with rice in the field, the adopted production technology is scientific, reasonable, simple and easy to practice, farmers can carry out operation and practice easily, management is convenient, the produced pollution-free rice grains are full, stable in quality, safe and free of toxicity, and the economic benefits and the ecological benefits of the pollution-free rice can be improved.

The invention relates to a low-temperature-resistant suspension liquid fertilizer capable of intelligently regulating and controlling pH of irrigation water as well as a preparation method and application of the low-temperature-resistant suspension liquid fertilizer. The suspension liquid fertilizer contains a macroelement fertilizer, a composite trace element fertilizer, a pH intelligent regulation factor, an anti-freezing auxiliary agent and a stress-resistant synergistic factor, wherein the mass ratio of the anti-freezing auxiliary agent to the stress-resistant synergistic factor is (20-60): (0.5-2.0); the pH intelligent regulation factor is a mixture of potassium dihydrogen phosphate, potassium hydroxide and humic acid. The suspension liquid fertilizer does not cake or precipitate at-20 DEG C, has good fluidity and comprehensive nutrients, can rapidly supplement nutritional requirements of various crops in growth period under low-temperature conditions, and enhance the cold resistance of the crops; meanwhile, the pH of irrigation water can be intelligently regulated and controlled, the environment of the rhizosphere region of crops can be always kept in a neutral range, and the problem of soil acidification or salinization caused by fertilization or irrigation can be effectively solved after long-term use.

The invention discloses a microbial agent for improving soil salinization, which comprises the following components in parts by weight: 85-90 parts of rhodopseudomonas palustris or a culture thereof, 0.1-0.3 part of polyacrylamide, 5-10 parts of polyglutamic acid, 1-3 parts of amino acid powder and 1-2 parts of hydrolyzed polymaleic anhydride. The effective live bacteria count in the rhodopseudomonas palustris or the culture thereof is 2*10<8>-1*10<9> / ml. The microbial agent for improving the soil salinization can effectively improve the quality of the salinized soil, reduce the salinization, reduce the EC value of the soil, promote seed germination and promote plant growth. Tests prove that the microbial agent for improving the soil salinization can reduce the conductivity and pH of the salinized soil, improve the granular structure of the soil, increase the germination rate of pakchoi and effectively improve the salinized soil.

A preparation method of a saline and alkaline garden soil improver comprises the following steps: 1, preparing sludge biochar; 2, selecting phosphogypsum; and 3, preparing the soil improver. The soil improver can effectively improve the quality of soil and promote the growth of plants.

The invention discloses a low-cost treatment method for soil salt and alkali of fruit trees in a greenhouse. The method specifically comprises the steps of treating soil, preparing vermiculite, covering mulching film, laying the vermiculite and replacing the vermiculite. Through the adoption of the low-cost treatment method for the soil salt and alkali of the fruit trees in the greenhouse, by utilizing a physicochemical improvement method and an agglomeration siphon technology, the oriented migration and concentrated removal of saline and alkaline components in the soil are achieved; not only is the improvement of the soil salt and alkali achieved, but also the salinization of the soil can be alleviated in future agricultural production.

The invention discloses a fertilizer adjuvant for improving soil planting environment. The fertilizer adjuvant is prepared from the following raw materials in parts by weight: 25-40 parts of bean dregs, 20-35 parts of distillers' grains, 15-25 parts of diatomite, 15-25 parts of biogas residue, 11-21 parts of ammonium sulfate, 11-21 parts of calcium superphosphate, 3-14 parts of potassium fulvate, 2-6 parts of zeolite powder, and 1-3 parts of phosphate solubilizing bacteria. The fertilizer adjuvant is abundant in nutrient contents, good in water retention capacity, capable of achieving good effects of improving the soil structure and balancing the pH value, and capable of maintaining land fertility, preventing and controlling plant diseases, and enhancing plant resistance.

The invention discloses a porous solid granular slow release fertilizer, and relates to the technical field of fertilizers. The slow release fertilizer comprises compound organic matter, trace elements, mixed bacteria, a degradable crosslinking agent, waxy corn starch, phosphate esterified starch, carrageenan, 45-mesh shell powder, palm fiber with a length of 650 microns, 45-mesh palygorskite powder, a compounding foaming agent and a compounding coupling agent. The slow release fertilizer has better environmental protection, water retention, slow release effect, applicability, fertilizer efficiency, soil improvement, control efficiency and yield increase. The slow release fertilizer can better meet the demands of crops and is in line with the market for novel green, environmentally friendly and multifunctional fertilizers, and has good market prospects and competitiveness.

The invention discloses a slow-release water-retention compound fertilizer composition, and relates to the technical field of fertilizer. The slow-release water-retention compound fertilizer composition is prepared from compound organic matter, microelements, compound culture, degradable cross-linking agent, waxy corn starch, phosphoric acid esterified starch, carrageenan, shell powder of 40-60 mesh, palm fiber with the length of 600-800 micrometers, palygorskite powder of 40-60 mesh, compound foaming agent and compound coupling reagent. The slow-release fertilizer has high environment friendliness, water retention, slow release, applicability, fertilizer effect, soil improvement performance, prevention and control performance and yield increase, can better meet requirements of crops, further conform to the yearn for environment-friendly and multifunctional novel fertilizer by the market and has a good market prospect and competitiveness.

The invention belongs to the technical field of environmental microorganisms, in particular to a saline-alkali tolerant growth-promoting bacterium and application of the growth-promoting bacterium inimproving saline-alkali land. According to the growth-promoting bacterium being halomonas aquamarina DB01, the collection number of the halomonas aquamarina DB01 is CCTCC NO: M 2019511; moreover, thegrowth-promoting bacterium has high adaptability to high-salinity and high-alkali environments, and can grow well in a saline-alkali soil environment; the growth-promoting bacterium can effectively reduce the content of soluble salt in the saline-alkali land, and increases plant biomass and yield; and the growth-promoting bacterium can be used for improving primary and secondary saline-alkali soilof farmland, forests and the like, reduces the toxic action of saline-alkali stress on plants, and has relatively high application value.

The invention relates to a method for converting farm wastes and monosodium glutamate wastewater into a liquid compound fertilizer. The method comprises the following steps: separating the farm wastes to obtain wastewater and waste residues; filtering the wastewater to obtain filtrate and filter residues; and mixing the waste residues with the filter residues uniformly to obtain a compost material, performing composting fermentation, adding the filtrate, the monosodium glutamate wastewater and an additive into an obtained base fertilizer, and then mixing the materials uniformly to obtain the liquid compound fertilizer, wherein the additive comprises calcium oxide, a boron fertilizer, iron, magnesium, an ethylenediamine tetraacetic acid (EDTA) zinc disodium salt hydrate and EDTA manganese disodium salt hydrate. The conversion method provided by the invention can achieve recycling of livestock and poultry breeding wastes, and provides a raw material source for preparing a compound fertilizer for improving saline-alkali soil; the conversion method is simple, is easy to control, and can avoid nitrogen loss and improve the nutrient content of the fertilizer at the same time; and the conversion method ensures that the pH value of the prepared compound fertilizer is in line with an industry standard, and the prepared compound fertilizer can reduce the pH value and salt content of the saline-alkali soil, and improve the germination rate and plant height of a plant.

The invention relates to the field of plant cultivation, and particularly provides a saline and alkaline land stock growing method and application. A plant pit is provided, a water filter layer, a decaying plant straw layer and a soil improving layer are successively laid on the bottom wall of the plant pit, a waterproof layer and a decaying plant straw layer are successively laid on a side wall of the plant pit, and a tube is inserted in the plant pit. The purpose of reducing saline concentration can be achieved, and time and conditions for stocks to adapt to the environment are provided. Meanwhile, the water filter layer facilitates water drainage; after the decaying plant straw layer are decayed deeply, acid can be formed, and the effect of reducing alkaline concentration of soil is achieved; by the soil improving layer, the survival rate of stocks can be improved while soil quality is improved; and the tubes not only can breath and drain water, but also has a heat-dissipation effect. The stock growing method is simple to operate, the labor and materials are saved, the cultivation cost is low, the method is environmentally friendly, the survival rate of the stock is high, effects of wind prevention and sand fixation are achieved, water resources are improved, and thus, the saline and alkaline land stock growing method can be applied to production and life on a large scale.

The invention discloses an environment-friendly slow-release compound fertilizer for crops, and relates to the technical field of fertilizers. The environment-friendly slow-release compound fertilizeris prepared from the following raw materials of compound-mixed organic matter, trace elements, compound-mixed bacteria strains, a biodegradable crosslinking agent, waxy corn starch, phosphate esterification starch, carrageenin, shell powder with size of 50 meshes, palm fiber with length of 700mum, palygorskite powder with size of 50 meshes, a compound-mixed foaming agent, and a compound-mixed coupling agent. The environment-friendly slow-release compound fertilizer has the advantages that the better environment-friendly property, water retention property, slow-release property, applicability,fertility, soil improvement property, preventing and control property and output increase property are realized; the requirements of the crops can be better met; the expectation of market on green, environment-friendly and multifunctional novel fertilizers is met, and the market prospect and competitiveness are good.