204results about How to "Prevent salinization" patented technology

The invention discloses anti-continuous cropping and continuous cropping fertilizer and a production method, bacterial fertilizer is composed of the bacterial liquid of azotobacter chroococcus, bacillus cereus and silicate bacteria and carrier, trace fertilizer is composed of borax, ammonium molybdate, zinc sulfate, SiO₂, CaO, MgO and carrier, and then the bacterial fertilizer and the trace fertilizer are mixed to produce the fertilizer. The invention as the bio-enzyme preparation has no side effect of toxicity and can effectively resolve the problems of the continuous cropping harm and continuous cropping barrier of crops. The invention has a specific effect on resolving the salinization and sub-salinization of soil in a greenhouse and can regulate the abilities of nutrient absorption and disease resistance of soil. The invention can effectively restrain the growth of harmful pathogens, such as soil nematodes, etc. and rapidly promote the propagation of beneficial microorganisms. The invention can promote the rootage of plants and increase the survival rate of seedlings. The invention perfectly resolves problems of the continuous cropping harm and low yields of manifold crops, such as corn, paddy, soybean, coarse cereals, vegetables, etc.

The invention relates to a suspending agent sterilizing two-spotted spider mite Bacillus thuringiensis, belonging to the field of biological pesticides. The suspending agent is prepared by mixing fermentation liquid of the Bacillus thuringiensis BtR05 with a surfactant, an antiseptic agent, a suspending auxiliary agent and a thickening agent, wherein, the suspending auxiliary agent is ammonium sulphate. The invention also provides preparation methods and uses of the suspending agent, the suspending agent prepared by the BtR05 bacterium and the fermentation liquid of the bacterium is quite poisonous against two-spotted spider mite, American white moth, diamond-back moth, chive maggot, grub, maggot galerucella and Meloidogyne incognita, which is an efficient and broad-spectrum biological pesticide.

The invention relates to the technical field of agriculture, and provides an orchard grass intercropping method. The method comprises the following steps: zones are divided, wherein grass is planted between orchard lines, and straws are laid within a range of 0.5m from tree trunks; plowing is carried out, wherein an EM inoculant is spread to grass planting zone soil, and plowing is carried out after 20-30 days; seed soaking is carried out, wherein grass seeds are soaked with the EM inoculant for 4-12h, and are air-dried at a shaded and ventilated place; sowing is carried out, wherein a sprinkler irrigation treatment is carried out with a diluted composite bacterial fertilizer, and uniform sowing is carried out with a sowing amount of 12-15kg/Mu when the soil is moist; management is carried out, wherein watering is carried out after sowing, and sprinkler irrigation is carried out with a diluted EM inoculant when seedlings uniformly shoot; and maintenance is carried out, wherein a grass height is maintained at 10-20cm, and a mixture of trimmed-off grass and straws is laid within a range of a tree base. The method has water-retaining, fertilizer-retaining and drought-resisting functions. With the method, farm chemical is not applied, and the effect of green manure is good. Chemical fertilizer is saved, and disease degree can be reduced from the source. Soil salinization can be effectively ameliorated, and fruits can be green and organic.

The invention discloses a method for charging a battery of an electric road vehicle. The method comprises the following steps of: (1) pre-charging; (2) A-period constant current charging; (3) B-period constant current charging; (4) constant voltage charging; (5) double-threshold charging; and (6) float charging, wherein the base number of the charging environment temperature is 25 DEG C, current and voltage in the whole charging process are adjusted in inverse proportion to the environment temperature, a current adjustment coefficient is 30 to 80 mA/DEG C, a voltage adjustment coefficient in the step (6) is 3 to 4 mV/monomer.DEG C, and a voltage adjustment coefficient in other steps is 5 to 6 mV/monomer.DEG C. By adjusting charging parameters under different temperature conditions, a charging effect of the battery at different temperatures is ensured, and the service life of the battery is prolonged.

The invention discloses a fungus insecticide fertilizer relating to the technical field of pesticides and fertilizers. The fungus insecticide fertilizer comprises the following components: 0.05-1 percent of injurious insect pathogenic fungi, 5-90 percent of organic nutritional ingredients, 0-5 percent of trace chemical pesticides and 10-80 percent of fillers. The fungus insecticide fertilizer can be widely applied to prevention and control of soil insects of vegetables, peanuts, soybeans, potatoes, wheat, corn and other crops, and has a certain prevention effect to nematode. The fungus insecticide fertilizer is used for preventing and controlling agricultural insects, has the advantages of safety, environmental friendliness, no residue, wide control spectrum, strong target property and strong regeneration continuity, has the functions of fertilizing and improving the soil structure, and is an ideal product for solving the problem of chemical pesticide residue and developing the environment-protection agriculture.

The invention belongs to the technical field of agriculture, in particular to soil improvement nutrient solution for reducing the heavy metal cadmium content of vegetables. The nutrient solution is prepared by dissolving and filtering humic acid salt, urea, monopotassium phosphate, strong base and water. The humic acid salt is one or a mixture of humic acid sodium and humic acid kalium; and the strong base is one or a mixture of sodium hydroxide and potassium hydroxide. The nutrient solution has a simple process and low cost; a buffer solution system is formed by using chemical reaction amongcomponents of a formula; nutrient elements and active substance required for crop growth are compounded, and nutrients required for the crop growth are provided when the pH value of soil is effectively regulated and controlled; the nutrient solution can be used for irrigating the soil at any time before crop planting or in the process of the crop growth; and the nutrient solution has the characteristics of convenient use, safety and the like.

The invention relates to a production method of a bioorganic fertilizer capable of improving the soil environment. According to the production method, an organic molecular material, a microbial inoculant, a soil loosening and water retaining agent, and a chelating agent are metered and delivered to a material chamber through a belt, the raw materials are extruded and granulated in the material chamber, and after the granulation, the products are screened so as to obtain the bioorganic fertilizer capable of improving the soil environment. By adding the organic molecular material, microbial inoculant, soil loosening and water retaining agent, and chelating agent, the soil colloidal environment is improved, the water, soil, and fertilizer are retained, the soil acidification and soil salinization are prevented, and the heavy metals are fixed.

The invention provides a whitewashing agent for preventing a trunk of a plant from being frozen in winter and sunned in summer. The whitewashing agent is prepared from the following components in parts by weight: 700 parts of calcium oxide, 5 to 291 parts of heavy calcium carbonate, 1 to 50 parts of inorganic sterilizing agent, 2 to 15 parts of film forming agent, 5 to 200 parts of redispersible latex powder, 1 to 30 parts of dispersant and water, wherein the content, in part by weight, of the water is 2 times the total content, in part by weight, of the components. The whitewashing agent provided by the invention can be adhered to the trunk for 4 to 6 months after being smeared on the trunk, can be used for realizing insect-prevention and freezing-prevention effects in the winter, and can be used for realizing a sunning-prevention effect in the summer; the whitewashing agent prepared by selecting and using refined quick lime can be brushed and can be also atomized; the efficiency is greatly improved; common table salt is not adopted in raw materials; the salinization on soil is avoided and the pollution to an environment is reduced.

The invention discloses a special microorganism compound fertilizer for the reproduction and growth period of rice, and relates to a fertilizer which is made from the following materials: urea, ammonium sulfate, ammonium dihydrogen phosphate, potassium sulfate, magnesium sulfate, calcium nitrate, zinc chloride, copper chloride, manganese sulfate, ferric sulfate, ferrous sulfate, sodium molybdate, boric acid, decomposed farmyard manure, animal viscera leftovers, fermented rapeseed meal, corn straws, filler and a microbial agent. The special microorganism compound fertilizer can effectively improve the ratio of content of each element in the soil, can well fit with the nutrition demand law of the reproduction and growth period of the rice, and can ensure the growth quality of the rice in the reproduction and growth period, the material utilization rate of the fertilizer is enhanced, the rice grain quality is improved, and the special microorganism compound fertilizer has very good promotion use value.

The invention discloses a high-efficiency desalination treatment process of biogas slurry obtained after fermentation of cow breeding wastewater. The process comprises the following steps: carrying out pretreatment, concretely filtering the biogas slurry by a grid to remove impurities, introducing the filtered biogas slurry into a sedimentation tank for sedimentation treatment, carrying out filtering after the sedimentation treatment is finished, and collecting the filtrate to obtain primary supernatant biogas slurry; carrying out flocculation and precipitation treatment, concretely adding a coagulant and a coagulant aid into the primary supernatant biogas slurry while stirring, and carrying out solid-liquid separation to obtain supernatant biogas slurry; and carrying out membrane separation treatment, concretely pumping the supernatant biogas slurry into a nanofiltration device for filtration to obtain a filter membrane dialysate, introducing the filter membrane dialysate into an electrodialyzer for desalination and concentration treatment to obtain electrodialysis desalted fresh water, and carrying out up-to-standard discharging. The process has the advantages of simple and convenient operation, wide raw material source, low energy consumption, reasonable utilization of resources, obvious economic benefits and wide application prospects.

The invention discloses a salt discharge treatment system for a salted reservoir, a building method, and a treatment method for salted water. The salt discharge treatment system consists of movable water collecting wells, water collecting cages, water diversion branch pipes, a main water collecting pipe, a water gathering well, surface flow wetland, a water sinking pond, subsurface wetland and a water storage reservoir, wherein the movable water collecting wells, the water gathering well, the surface flow wetland, the water sinking pond, the subsurface wetland and the water storage reservoir are laid out according to an actual physiognomy; the water gathering well, the surface flow wetland, the water sinking pond, the subsurface wetland and the water storage reservoir are totally seepage-proof water collecting wells, and the salted water is collected by the movable water collecting wells, treated in the wetlands and the water sinking pond and stored in the water storage reservoir for other purposes. The salt discharge treatment system is reasonable in structure, scientific in design, investment-saving, short in construction period, low in water treatment cost and convenient to manage, takes effect fast, can conduct purification treatment at all seasons, produces high-quality water, recovers a self-purification function of a water body, can be used for supplying landscape water, can be closely combined with city landscape construction, realizes water purification, and achieves purposes of conservation and efficient utilization of water resources.

The present invention discloses a deep circulation storage battery container formation diachylon, and is to solve the technical problem of short circulation life of conventional storage batteries. The diachylon of the present invention includes a positive diachylon and a negative diachylon. The positive diachylon includes the components by weight: 0.15-0.42% of carboxymethyl cellulose, 0.25-0.42% of anisotropy graphite, 0.15-0.25% of potassium sulfate, 0.30-0.42% of stannous sulfate, 0.07-0.10% of polyester staple fibers, 6.5-7.5% of dilute sulfuric acid, 9-10% of water, and 80.89-83.58% of a lead powder; and the negative diachylon includes the components by weight: 0.50-0.70% of barium sulfate, 0.20-0.45% of acetylene black, 0.15-0.25% of lignin, 6.00-6.50% of dilute sulfuric acid, 9-10% of water, and 82.10-84.15% of a lead powder.

The invention provides a preparation method of a high-molecular water-absorbent resin nitrogen-potassium water retention controlled release fertilizer. The preparation method includes the steps of preparation of an aqueous solution of sodium hydroxide, a neutralization reaction, a copolymerization reaction, solidification drying, and crushing. The method shortens the process flow, reduces the production time and reduces the production cost. The method solves a problem of damages of heavy use of a traditional chemical fertilizer to soil, water and air, and also increases the content of nitrogen and potassium elements in the water retention fertilizer. The method has the advantages of no generation of three wastes (industrial residue, waste gas and waste water) in the production process, no pollution to the environment, safety, environmental protection, and stable product quality.

The invention relates to a method for preparing biological organic fertilizer from pig manure. The organic fertilizer is prepared from the following raw materials in parts by weight: 80 to 160 parts of the pig manure, 15 to 40 parts of rice bran, 20 to 30 parts of silkworm excrement, 45 to 65 parts of sludge, 8 to 18 parts of urea, 8 to 12 parts of mushroom residue, 0.05 to 0.5 part of fungicide and the like. The preparation method comprises the steps: preparing the raw material, stacking, adding the fungicide, stirring and fermenting and sieving. The biological organic fertilizer prepared bythe method disclosed by the invention has the characteristics of having a high biological organic matter content, improving soil, preventing soil hardening, effectively inhibiting harmful bacteria insoil, effectively and quickly promoting crop growth and the like.

The invention provides a preparation method of a high-molecular water-absorbent resin, which comprises the following five steps of NaOH solution preparation, neutralization reaction, graft copolymerization reaction, solidification drying, and pulverization; the invention has shortened process flow, decreased production time, reduced production cost, and thus the technical problems of long production period and high cost are solved. Meanwhile, no three wastes are generated during the production process; the production process causes no pollution to the environment, and is environment-friendly; and the product has stable quality.

The invention discloses a paddy-upland rotation planting method of greenhouse potherbs. The method includes the following steps: selecting a first potherb variety from land potherb varieties to plant in a greenhouse; selecting a second potherb variety from the land potherb varieties, and interplanting the second potherb variety and the first potherb variety in the greenhouse; selecting a third potherb variety from the land potherb varieties, and applying fertilizer and interplanting the third potherb variety in row spacing after the first potherb variety stops growing and before the first potherb variety is eradicated; after the third potherb variety germinates, eradiating the first potherb variety; after the second potherb variety stops growing, eradiating the second potherb variety and planting the third potherb variety; after the third potherb variety stops growing, selecting a fourth potherb variety form the land potherb varieties, and building shallow water layers to transplant the fourth potherb variety after applying fertilizer; after the fourth potherb variety stops growing, selecting a fifth potherb variety from aquatic potherb varieties to plant; after the fifth potherb variety stops growing, repeated the above steps to plant circularly.