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259results about How to "With water retention" patented technology

Color drought-resistance water-retention sustained-release compound fertilizer and method for producing same

The invention discloses a color drought-resistance water-retention sustained-release compound fertilizer and a method for producing the same, wherein the method comprises the followings steps of: measuring, crushing and uniformly mixing fertilizer raw materials, granulating by adopting an ammonia-acid method rotary drum granulating process, performing one-stage drying, semi-cooling and screening of grains, and sending the mixture to a coating machine; adopting a continuous melting rotary drum film-coating method coating process to perform compressed air atomization and uniform coating of color coating oil sprayed by a special nozzle; and adding a water-retaining agent and an anti-adhesive agent by a screw conveyor, and performing full stirring, cooling and packaging to obtain the finishedproducts. The color drought-resistance water-retention sustained-release compound fertilizer has the effects of drought resistance, water retention, nutrient preservation, soil condition improvement and environmental protection, and the appearance of the fertilizer has color marks; and when the fertilizer is applied to crops, the fertilizer has the advantages of increasing yield and incoming, along with simple production method, convenient operation, low cost and high benefits.
Owner:CNSG ANHUI HONG SIFANG FERTILIZER IND CO LTD

Carbon-based rice seedling raising substrate for rice and preparation method thereof

InactiveCN105924268ASolve the problem that it is difficult to directly make rice seedling raising substrateReduce leachingBio-organic fraction processingExcrement fertilisersDiseasePotassium
The invention discloses a carbon-based rice seedling raising substrate for rice. The carbon-based rice seedling raising substrate comprises biochar, a straw fermented product, yellow soil, vermiculite and an inorganic fertilizer, wherein a volume ratio of the biochar to the straw fermented product to the yellow soil to the vermiculite is (10-20): (15-30): (25-35): (15-25); the inorganic fertilizer comprises nitrogen, phosphorus pentoxide and potassium oxide; and per 10 m<3> of the carbon-based rice seedling raising substrate for the rice comprises 12 to 18 g of a nitrogen fertilizer, 4 to 7 g of a phosphorus fertilizer and 5 to 16 parts of a potassium fertilizer. The invention also discloses a preparation method of the carbon-based rice seedling raising substrate for the rice. According to the invention, by utilizing the biochar and the fermented product which are prepared from widely-available farmland organic wastes like rice straws, and inorganic substances like the yellow soil and the vermiculite, the carbon-based rice seedling raising substrate for the rice is prepared. The substrate provided by the invention has the characteristics of fertility holding, water holding and good air permeability, and can effectively prevent the occurrences of bakanae disease, sheath blight and the like in a seedling stage.
Owner:CHINA NAT RICE RES INST

Water-retention slow-releasing carbon-based compound fertilizer

The invention discloses water-retention slow-releasing carbon-based compound fertilizer and belongs to fertilizer used in agriculture and forestry production. The carbon-based compound fertilizer is prepared from the ingredients of nitrogenous fertilizer serving as the major ingredient, phosphatic fertilizer, potash fertilizer and trace elements in the fertilizer and filling powdered carbon. The preparing method comprises the following steps of: mixing the ingredients uniformly to serve as powder material or pelletizing the powder material of the mixed powder and bagging for supplying the market. According to the invention, agriculture and forestry plant waste and the like are carbonized for preparing carbon powder, so that the utilization of waste materials can be achieved, the income of farmers can be increased, and the environment can be protected. Most importantly, filler such as mountain flour is replaced by the carbon powder so that the efficacy of the fertilizer can be improved, significant process can be made, and an unexpected effect can be achieved. According to the invention, the basic one-water double-fertilizer requirement in agricultural production can be met. As the carbon powder has strong permeability and a moisture-feed circulative-absorbing water-retention function, oxygen in the fertilizer can be slowly released, the use ratio of the fertilizer is improved, and essential condition for plant growth is met.
Owner:郭庆华

Special biomass charcoal-based composite fertilizer for corn and preparation method thereof

The invention discloses a special biomass charcoal-based composite fertilizer for corn. The special biomass charcoal-based composite fertilizer for the corn comprises the following components in parts by weight: 7-15 parts of potassium magnesium sulfate fertilizer, 3-7 parts of potassium chloride, 5-13 parts of fertilizer-grade calcium hydrogen phosphate, 15-20 parts of urea phosphate, 40-50 parts of powdery urea, 6-9 parts of rapeseed straw charcoal powder, 0.2-0.8 part of sodium silicate, 0.05-0.47 part of EDTA (ethylenediaminetetraacetic acid) chelated zinc, 0.05-1 part of EDTA chelated manganese and 1-7 parts of auxiliary materials. The invention further discloses a preparation method of the special biomass charcoal-based composite fertilizer for the corn. After the special biomass charcoal-based composite fertilizer for the corn, disclosed by the invention, is applied, the soil can be effectively improved and fertilized, the content of organic matters in the soil is increased, the soil bulk density is reduced, and the water-retaining and fertilizer-keeping capability of the soil is improved; furthermore, the utilization efficiency of fertilizer nutrients is relatively high, the release of nutrient elements is coordinated and lasting, the nutrients can be supplied to the corn in a relatively comprehensive and balanced manner, the yield of the corn is significantly improved, the quality of the corn is improved, and the economic benefits are obvious.
Owner:ANHUI SIERTE FERTILIZER IND

Efficient compound fertilizer and preparation method thereof

The invention discloses an efficient compound fertilizer which is prepared from the following raw materials in parts by weight: 70-80 parts of sheep manure, 45-50 parts of waste residues of beer, 23-26 parts of pear saw dust, 30-34 parts of potatoes, 30-34 parts of urea, 20-23 parts of monopotassium phosphate, 12-17 parts of diammonium phosphate, 10-14 parts of potassium chloride, 10-12 parts of potassium sulfate, 1-2 parts of sodium sulfite, 4-6 parts of sodium humate, 4-6 parts of a coating agent, 3-4 parts of an EM bactericide, and a proper amount of water. The fertilizer disclosed by the invention is prepared from organic matters including the sheep manure, the waste residues of beer, the pear saw dust, the potatoes and the like which are added with nitrogen, phosphorus and potassium, micro-elements, mid-elements and a sustained-release material, so that the fertility of the soil is improved and the aim of slowly releasing fertilizer nutrients is achieved, the utilization rate of the fertilizer is increased as well, and the environmental pollution is reduced. The prepared fertilizer has the characteristics of water retention, fertilizer retention, long fertilizer action time and good air permeability; meanwhile, the soil can be improved, nutrient balance of the soil is guaranteed, and sustainable development of the agriculture is promoted.
Owner:DANGTU COUNTY KEHUI TRADING

Cultivation method for increasing grafting survival rate of macadimia nuts

The invention discloses a cultivation method for increasing the grafting survival rate of macadimia nuts. The method includes the following steps of cultivating stock, wherein the position, 8 cm away from the surface of a sand bed matrix, on the face of the upper portion of the stock is cut to form a notch with the length of 3 cm after 5-7 leaves grow on a stock seedling, and the middle of the notch is dug to form a cylindrical blind hole with the length of 1.5 cm; processing a scion, wherein an inclined face notch is formed by shearing the scion from the position 3 cm away from the base part of the scion to the base part, a cylindrical protrusion which is 1 cm long and matched with the cylindrical blind hole of the stock seedling is reserved in the middle of the inclined face notch, a protection agent is aligned with the inclined face notch and the cylindrical protrusion, and the inclined face notch and the cylindrical protrusion are smeared with the protection agent; primary grafting is conducted, wherein grafting promoting agent diluent is dropwise added into the cylindrical blind hole of the stock seedling, the cylindrical protrusion of the scion is aligned with the cylindrical blind hole of the stock seedling, and the butt joint inclined face of the cylindrical protrusion and the cylindrical blind hole is coated with grafting promoting agent diluent so that the stock seedling and the scion can be tightly combined and primary grafting can be completed. By means of the method, the grafting survival rate reaches up to 91.7%.
Owner:广西合山市润鸿农业技术有限公司

Method for retaining freshness of chilled fresh fish heads

The invention provides a method for retaining freshness of chilled fresh fish heads, wherein freshwater fish heads are used as raw materials, and the freshness retaining of the fish heads is realized by virtue of sterilizing, coating, modified atmosphere packaging and other methods. The method comprises the main steps of: pre-treating: performing scaling, gill removing and cold-water cleaning on the fresh fish heads; sterilizing by electrolytic ozone water; draining; filling simulated gills; coating a compound fresh preserver; blowing to dry body surface water and sterilizing by using ultraviolet light; packaging under a modified atmosphere; and obtaining products. The main advantages of the method provided by the invention are as follows: (1) ginger is used for preparing the simulated gills and placed in gill covers, so that the function of assisting bacterial inhibition and fishy smell removal is achieved, the eye rims of the fish heads can be effectively prevented from sinking and the influence on the fish head appearances due to gill removal is eliminated; (2) the fish heads are sterilized by using the electrolytic ozone water and the ultraviolet light, so that the initial bacterial count of the raw materials is effectively decreased, and chlorine dioxide and preservative are not used so that the production technology is green and environment-friendly; and (3) the fish heads subjected to cold sterilization is coated with a green compound coating fresh preserver, so that the quality guarantee period of fish head products is effectively prolonged.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Biomass charcoal-based compound fertilizer special for wheat and preparation method of biomass charcoal-based compound fertilizer

The invention discloses a biomass charcoal-based compound fertilizer for wheat. The biomass charcoal-based compound fertilizer comprises the following components in parts by weight: 8 to 14 parts of potash magnesium sulphate fertilizer, 12 to 17 parts of potassium chloride, 6 to 13 parts of fertilizer-level calcium hydrophosphate, 13 to 21 parts of urea phosphate, 30 to 40 parts of powdery urea, 8 to 14 parts of soybean straw powdered carbon, 2 to 7 parts of sodium silicate, 1 to 4 parts of EDTA chelate Zn, 1 to 4 parts of EDTA chelate Fe, 1 to 5 parts of ammonium molybdate and 3 to 7 parts of an auxiliary material. The invention further discloses a preparation method for the biomass charcoal-based compound fertilizer special for the wheat. According to the invention, after the biomass charcoal-based compound fertilizer special for the wheat is applied, not only can soil be effectively improved and fertilized, the content of soil organic matter can be increased, the volume weight of soil can be reduced, and the water retention and fertilizer retention capabilities of the soil can be improved, but also the fertilizer nutrient utilization efficiency is relatively high, nutrient element release is coordinated and lasting, nutrient can be supplied to the wheat relatively comprehensively and evenly, the output of the wheat can be obviously improved, the quality of the wheat can be improved, and obvious economic benefit can be achieved.
Owner:ANHUI SIERTE FERTILIZER IND

Drought-resistant and water-holding coated fertilizer for strawberry and preparation method thereof

The invention discloses a drought-resistant and water-holding coated fertilizer for strawberry. The coated fertilizer is characterized by being prepared from the following raw materials in parts by weight: 34-38 parts of melia azedarach seeds, 30-35 parts of garlic bulb, 23-27 parts of urea, 16-22 parts of ammonium phosphate, 12-16 parts of potassium sulfate, 10-14 parts of humic acid, 1-2 parts of polyacrylamide, 15-19 parts of ligneous plant fiber, 13-17 parts of coconut shell plant fiber, 8-13 parts of paraffin, 6-13 parts of waterborne acrylic resin, 5-7 parts of nano-kaolin, 4-7 parts of nano-montmorillonite, 1-2 parts of tea saponin, 0.3-0.8 part of zinc borate, 5-7 parts of EM bactericide, 7-10 parts of soil improver and a proper amount of water. According to the fertilizer, the plant fibers have the effects of significantly improving the physicochemical properties of soil, reducing capacity, relieving the hardening condition of soil, improving the water holding capability of soil and the utilization rate of water and saving irrigation water; the nano powder and the humic acid have the effects of holding water and fertilizer, improving the drought resistance of crops and increasing the category and quantity of microbes in soil; the tea saponin has the effects of killing pests and bacteria and promoting the growth of crops, is biodegradable and does not pollute the soil; and a water absorbent added in a coating agent can absorb moisture during much rain and release moisture during drought, so that the irrigation frequency is reduced, the cost is reduced and the income of peasants is increased.
Owner:HUAINAN YINONG MELON & FRUIT PRODION & MARKETING SERVICE

Mulching membrane and preparation method thereof

The invention relates to a mulching membrane and a preparation method thereof. The positive side of the mulching membrane has a silver colour with a reflectance rate of 45%-50%, and the back side of the mulching membrane has a black colour, and the mulching membrane comprises the following raw materials during preparation: 8-15 parts of highly-reflective silver master batches, 8-15 parts of black master batches, 62-70 parts of linear low density polyethylene, 3-9 parts of low density polyethylene, 3-10 parts of a metallocene, and 2-6 parts of anti-aging special master batches. Besides the advantages of water retention, soil conservation, fertilizer conservation and effective control on soil moisture and temperature, the silver and black double-side mulching membrane also has the following advantages: the light transmittance is 10%, the reflectance rate is 45%-50%, on one hand, the silver positive side can have a repellent effect on aphids, and on the other hand, existed reflected light enables fruits growing below and fruit parts back to sunshine to be indirectly illuminated by the sun, so that the ripening period is shortened, fruit peel coloration is promoted, and the sugar content and the nutritional value of the fruits are improved. The black back side can prevent sun penetration, and is beneficial to inhibit weed growth.
Owner:定西宏大农业科技有限公司
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