427results about How to "Improve Nutrient Utilization Efficiency" patented technology

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.

The invention relates to the field of agricultural chemistry, in particular relates to a carbon-based controlled-release fertilizer special for potato and a preparation method thereof. The environment-friendly efficient carbon-based controlled-release fertilizer special for the potato is a long-acting granular-carbon-based compound fertilizer which is prepared from waste agriculture and forestry biomasses such as corn core, peanut shell, rice shell, edible fungi substrate and the like, wherein the biological granular carbon is black carbon powder granules (carbon black) which is formed by imperfect combustion of biomasses under anaerobic condition and has various features similar to those of soil humus (acid); and the biological granular carbon has strong capabilities of absorbing and retaining nutrition and moisture, can stimulate growth of crops and has good controlled-release effect on NPK, thus the prepared controlled-release fertilizer only needs to be applied once in the full growth and development period of potatoes, has the characteristics of increasing soil fertility, improving soil structure and the like, is efficient and environment-friendly, and has a wide application prospect.

The invention relates to a long-acting special fertilizer for oil-tea camellia and a preparation method thereof. The long-acting special fertilizer is characterized in that: the fertilizer is prepared from the following raw materials in percentage by weight: 31.3 to 42.9 percent of nitrogen fertilizer, 8.5 to 8.7 percent of phosphate fertilizer, 26.7 to 32.0 percent of potassic fertilizer, 2.6 to 5.1 percent of medium-micro fertilizer, 10 to 15 percent of organic additive and 4 to 19.4 percent of controlled release additive. The special fertilizer for the oil-tea camellia is produced according to the absorption characteristics of the oil-tea camellia on N, P and K, is suitable for the absorption of N, P and K by the oil-tea camellia, has reasonable proportion and long fertilizer efficiency period, can be used as base fertilizer and additional fertilizer, has high nutrient utilization rate, and is safe and environment-friendly; the special fertilizer can remarkably improve the utilization rate of nitrogen, the increasing range is over 8 percent, and the fertilizer efficiency period is as long as 90 to 150 days; and under the same nutrient condition, the special fertilizer can increase the yield of oil-tea camellia fruits by about 10 percent, can remarkably promote the quality of the oil-tea camellia fruits, and promotes the oil content by over 0.6 percent.

The present invention relates to a slow-release composite fertilizer, which comprises, by weight, 40-60 parts of urea, 10-30 parts of monoammonium phosphate or calcium carbonate, 10-35 parts of potassium chloride or potassium sulfate, 5-30 parts of a pelletizing additive, 3-5 parts of nano-scale chitosan modified attapulgite, 1-2 parts of a nano-scale chitosan film coating agent, and 10-40 parts of a water-retaining agent, wherein the slow-release composite fertilizer further comprises 1-10 parts by weight of water quenching slag. With the present invention, the slow-release composite fertilizer is provided, wherein the slow-release composite fertilizer has the following advantages that: the fertilizer effect release rate can be controlled according to the requirements on nutrients by crops at different growth stages, the nutrients can be provided for the crop growth timely and properly, the fertilizer utilizing rate is high, the film coating material is easy to degrade, the benefit is provided for the environmental protection, and the slow-release composite fertilizer of the present invention is suitable for the field crops.

The invention belongs to the technical field of fertilizers and specifically relates to a water-retention and slow-release fertilizer. The water-retention and slow-release fertilizer comprises the following raw materials in parts by weight: 70-80 parts of coated slow-release fertilizer or low-solubility slow-release fertilizer, 15-20 parts of water retention agent, 1-2 parts of biological bacteria, 5-10 parts of humic acid and 5-15 parts of soil conditioner. The prepared water-retention and slow-release fertilizer disclosed by the invention has the advantages of low cost and simplicity and convenience in application, and can adjust the water absorbency of the fertilizer according to different crops, soil, climate and other conditions and be widely applied to grain crops, cash crops, horticultural plants and the like. The water-retention and slow-release fertilizer disclosed by the invention has long effective period, and can greatly reduce the loss of the fertilizer caused by volatilization and eluviation, enable the limited fertilizer and water to be fully absorbed and utilized by the plants, achieve the integration of the water and the fertilizer and improve the soil. Through the application of the water-retention and slow-release fertilizer, the irrigation cost of farmland can be reduced and the high-efficient water conservation purpose can be achieved. The water-retention and slow-release fertilizer disclosed by the invention can greatly improve the utilization rate of nutrients and effectively control the pollution of the crops and an environment caused by the application of the fertilizer.

An apparatus for the fixed-film anaerobic digestion of flushed livestock manure includes an enclosed digester tank (fixed or flexible roof), internal media for biofilm development, a biogas collection and flare system, various pumps, and hydraulic control systems. The preferred media has substantially vertically-oriented, uninterrupted channels to promote enhanced bacterial attachment and biofilm development. The immobilization of microbial biomass within the reactor as a biofilm allows effective treatment of the wastewater at ambient and higher temperatures, as well as reasonable hydraulic retention times. The composition and concentration of bacterial groups in the biofilm developed on the media in the fixed-film digester result in a significantly enhanced anaerobic degradation process. This novel fixed-film digester design expands the potential application of anaerobic digestion to dilute livestock waste with significant levels of suspended solids. This holistic manure treatment system not only stabilizes the wastewater but also produces energy (biogas), controls odors, reduces pathogens, minimizes environmental impact from waste emissions, and maximizes fertilizer and water recovery for reuse.

The invention belongs to the field of agriculture, which relates to a slow control release biological inorganic and organic mixed fertilizer. The mixing fertilizer is prepared by fully mixing the following components in percentage by weight: 3%-10% of beneficial microbial agent, 0.4%-1% of fertilizer slow control release agent, 5%-12% of organic matter, 0.2%-10% of plant growth stimulin, 15%-25% of nitrogen, 5%-12% of phosphorus, 6%-15% of potassium, and 2%-10% of middle trace element. The invention not only has the advantages of high nutrient concentration and simple production process, but also can enhance the utilization rate of the fertilizer, save the fertilizer, increase the output, improve the soil, and promote the sustainable development of agriculture and environment protection.

The invention relates to environment-friendly biochar-based organic fertilizer. The environment-friendly biochar-based organic fertilizer is prepared from, by weight, 10-15% of biochar, 77-87% of organic fertilizer, 0.5-1.5% of wood vinegar, 0.5-1.5% of an environment-friendly enzyme and 2-4% of a binding agent. The preparing method includes the steps that the biochar and the organic fertilizer are mixed uniformly by a ratio, and the mixed material is pulverized and screened, wherein the part, with the particle size smaller than or equal to 1mm, of the screened material serves as a mixed material A, and the part, with the particle size larger than or equal to 1mm is returned to a pulverizer to be pulverized and screened again; the wood vinegar and the environment-friendly enzyme are added into the mixed material A by a ratio and fully stirred and mixed uniformly to obtain a mixed material B; the binding agent is added into the mixed material B by a ratio, tap water is added in a spray mode, the water content of the material is adjusted to be 30-35%, and all the components are fully stirred and mixed uniformly to obtain a mixed material C; granulating and drying are carried out to obtain the environment-friendly biochar-based organic fertilizer.

A method assembling straw biochar with microbe bacteria fertilizer so as to improve saline land relates to the saline land improvement method, and aims to solve the technical problems that an existing saline land cannot plant crops or the crops output is low; the method comprises the following steps: composting and fermenting an organic fertilizer so as to obtain decomposed organic fertilizer, uniformly mixing the straw biochar, the microbe bacteria fertilizer and the decomposed organic fertilizer according to weight ratio: 1-12:1:10-20, and piling up the mixture for preparation; uniformly throwing the straw biochar, the microbe bacteria fertilizer and the decomposed organic fertilizer mixing improvement material on the soil surface 0-2 days before soil working, and appilication amount is 1350kg/mu; doing intersect rotary tillage for 1-2 times after fertilizer application, rotary tillage depth is 12-15cm, immediately suppressing the soil after rotary tillage, and then sowing is carried out. The method is simple, modifiers are straw biochar and manure, the materials are easy to get, so cost is low; the improved saline land is obvious in effect; the method is suitable for saline land improvement.

The invention discloses a special sustained-release fertilizer for watermelons by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of watermelon by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for the watermelons. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of watermelons for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness and the like, and is advantageous to large-scale popularization and application in watermelon production.

The invention relates to an organic fertilizer, and in particular relates to an efficient organic fertilizer and a preparation method thereof. The fertilizer comprises the following concrete components in parts by weight on dry basis: 10-25 parts of livestock manure, 60-70 parts of cornstalk, 1-3 parts of urease inhibitor N-(n-butyl)triophosphoric triamide (NBPT), 10-20 parts of turf, 0-3 parts of trace elements and 0-1 part of magnesite. The principle of the invention is as follows: the ratio of carbon to nitrogen in the organic material is controlled, the urease activity is controlled, the ammonia ions are stabilized, the utilization ratio of nitrogen is improved and the ratio of nitrogen to phosphorous to potassium is kept relatively stable in the soil, thus achieving the application effect of balanced fertilization. The fertilizer has the following advantages: the utilization ratio of fertilizer nutrients can be remarkably improved; various nutrients essential to growth of plants can be satisfied and supplied; and the soil is improved, the ecological environment is protected, the growth of plants is conditioned and the yields and quality of the crops are improved.

The invention relates to a method for improving north acidified soil by utilizing biochar. The method comprises the steps of: grinding peanut shells into slices with diameter of 2cm, drying at 60 DEG C, putting in a vacuum tubular furnace, leading in N for 230 minutes at flow velocity of 500ml/min, emptying gas in the furnace body, heating to 400 DEG C under condition of rising rate of 5 DEG C/min, maintaining 400 DEG C for two hours, then cooling to room temperature, thus obtaining black biochar; and grinding the biochar into powder with diameter smaller than 2mm, and applying the biochar and soil with 1 to 5 percent mass ratio into orchard soil or farmland to be restored. The method has the advantages of being simple to use, obviously improving the quality of soil, improving utilization rate of soil nutrient, being simple to use and obvious and endurable in effects, and providing a new way for improving north acidified soil.

The invention discloses a special slow-release fertilizer taking biomass granular carbon as a matrix for tea trees and a preparation method thereof. Granular carbon prepared from agricultural abandoned biomass such as corncobs, peanut shells, rice husks and edible mushroom matrixes, taken as a matrix material, is compounded with nitrogen, phosphorus, potassium and other nutrient elements essential to the growth and development of the tea trees by utilizing the microporous character and strong adsorption capacity of the granular carbon, so that the special slow-release fertilizer taking the biomass granular carbon as the matrix for the tea trees is prepared. According to the invention, the biomass granular carbon is black biomass granular carbon particles formed after incomplete combustion of the agricultural abandoned biomass under a hypoxic condition, has various properties similar to those of soil humus, is very strong in capacity of adsorbing and maintaining nutrients and moisture, and furthermore, and has an effect of stimulating the growth of crops and a good slow-release performance for the nitrogen, phosphorus and potassium; the slow-release fertilizer prepared in such a way can effectively meet the requirements of the tea trees for nutrients in the whole growth period after being applied once; and in addition, the special slow-release fertilizer has the characteristics of enhancing the soil fertility, improving the soil structure, being efficient and environmentally-friendly, and the like, thereby being beneficial to large-scale popularization and application in tea tree production.

The invention discloses a Chinese medicinal herb nonreactor biological feed additive which comprises the following effective ingredients in parts by weight: 1-4 parts of astragalus membranaceus, 1-2 parts of semen cuscutae, 1-2 parts of herba epimedii, 1-3 parts of pericarpium citri reticulatae, 1-3 parts of scorched hawthorn fruit, 1-3 parts of fructus aurantii, 1-2 parts of liquorice root, 1-3 parts of isatis root, 1-2 parts of dandelion, 1-3 parts of cordate houttuynia, 1-2 parts of herba portulacae, 1-3 parts of honeysuckle, 1-3 parts of rhizoma atractylodis and 1-3 parts of compound microbial starters. The Chinese medicinal herb nonreactor biological feed additive has functions of resisting bacteria and diminishing inflammation, regulating qi-flowing and helping digestion, benefiting the spleen and invigorating the stomach, enhancing immunity and the like, plays a role of completely replacing antibiotics, does not generate drug resistance; various growth performances and indexes are remarkably improved after beasts and birds are fed with the Chinese medicinal herb nonreactor biological feed additive; the beasts and the birds produced after the beasts and the birds are fed with the Chinese medicinal herb nonreactor biological feed additive are green, safe and pollution-free.

The invention relates to loach settling-type puffing mixed feed and a preparing method thereof, and belongs to the technical field of puffing feed production used for aquatic products. The feed comprises the following raw materials, that is, fish meal, meat meal, corn gluten meal, spray-dried animal blood cells, fermented soybean meal, soybeans, bean pulp, rapeseed dregs, DDGS, flour, soybean oil, monocalcium phosphate, bentonite, 98.5% lysine hydrochloride, 99% DL methionine, choline chloride, decavitamin premix compound, 35% vitamin C phosphate, composite mineral substance premix compound and sodium butyrate. The loach settling-type puffing mixed feed can well maintain intestinal health of loaches, further improves the nutrition utilization rate, invigorates health and improves anti-stress capacity of the loaches. The prepared loach settling-type puffing mixed feed is used in breeding stage of the loaches, the ingestion characteristics of the loaches are combined, the ingestion and growth states of the loaches are good, the physique of the loaches is strong, the feed coefficient is obviously reduced than that of an existing popular hard particle feed product, the survival rate is obviously improved and culture benefits are substantially improved.

A method for recommending the quantity of applied fertilizer features that according to the known planting information of a particular field region, including the parameters associated to the crops and fertilizers, the balanced values of N, P and K nutrients in unit area for the crops planted in plan are found out and recommended. Its advantages are eary operation and popularization and low cost.

The invention provides a method for planting selenium-enriched rice at a high yield. The method comprises the following steps: 1), preprocessing seeds; 2) plowing the soil and fertilizing; 3) culturing seedlings; 4) transplanting the seedlings; 5) additionally fertilizing; 6) harvesting. According to the method provided by the invention, a seed processing step is additionally adopted to sterilize and disinfect the seeds, and meanwhile, the seeds are soaked with sodium selenite to increase the selenium content in rice seeds. A long-acting selenium-enriched coated controlled release compound fertilizer applied for rice planting comprises a core fertilizer and a coated layer coating the surface of the core fertilizer. The core fertilizer adopts sulphur coated urea to form a three-layer structure, such that the controlled release efficiency is remarkable, and the fertilizer efficiency is long. Only a little amount of fertilizer needs to be applied additionally after planting to save time and labor. Both the core fertilizer and the coated layer are prepared from organic degradable materials, such that the fertilizer efficiency can be kept in the degradation process. The core fertilizer is rich in microelements, thus promotes the nutrimental value of rice, and the soil quality can also be improved on the premise of degradability. The ingredients of the fertilizer are friendly to soil, low in production cost, beneficial for market promotion and good in economic benefits.

The multifunctional slow releasing lawn fertilizer is prepared through mixing cake residue, turf, humic acid, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, trace elements, and plant growth regulator. It has perfect nourishing and curing function, slow releasing function, and fast, stable and lasting fertilizer effect. Test shows that lawn with the fertilizer applied has early regreening in spring, no excessive growth in summer, fast restoring in autumn, less diseases and pests and long green period, and is environment friendly.

The invention discloses a special slow-release fertilizer taking biomass granular carbon as a matrix for apples and a preparation method thereof. Granular carbon prepared from agricultural abandoned biomass such as corncobs, peanut shells, rice husks and edible mushroom matrixes, taken as a matrix material, is compounded with nitrogen, phosphorus, potassium and other nutrient elements essential to the growth and development of the apples by utilizing the microporous character and strong adsorption capacity of the granular carbon, so that the special slow-release fertilizer taking the biomass granular carbon as the matrix for the apples is prepared. According to the invention, the biomass granular carbon is black biomass granular carbon particles formed after incomplete combustion of the agricultural abandoned biomass under a hypoxic condition, has various properties similar to those of soil humus, is very strong in capacity of adsorbing and maintaining nutrients and moisture, and furthermore, and has an effect of stimulating the growth of crops and a good slow-release performance for the nitrogen, phosphorus and potassium; the slow-release fertilizer prepared in such a way can effectively meet the requirements of the apples for nutrients in the whole growth period after being applied once; and in addition, the special slow-release fertilizer has the characteristics of enhancing the soil fertility, improving the soil structure, being efficient and environmentally-friendly, and the like, thereby being beneficial to large-scale popularization and application in apple production.

The present invention discloses a production technology and a formula of a fermented fungus chaff feed for geese. The production technology includes: crushing fungus chaff, adding 0.1% of probiotic, fermenting for 7-14 days in an anaerobic environment, and drying for storage or directly feeding geese. The probiotic is 2-5 of lactobacillus, bacillus, saccharomycetes, and acetobacter aceti. The feed includes by mass: 34%-52% of corn flour, 6%-12% of soybean cake, 8%-15% of wheat bran, 15%-48% of fermented fungus chaff, 6%-8% of a vinasse powder, 0.2%-0.3% of salt, 2%-3% of a mineral additive, 2%-3% of vegetable oil, and the balance 20%-30% of a fresh green material for feeding. The present invention utilizes beneficial microorganism for degradation and decomposition of fungus chaff cellulose and improvement of the nutritional value. The proliferation of beneficial bacteria can reduce the number of intestinal escherichia coli and salmonella, improve micro-ecological environment and increase disease resistance for geese. The feed is simple to operate, high in economic efficiency and broad in development prospect.

The invention discloses a slow release fertilizer special for sweet potatoes by using biomass granular carbon as a matrix and a preparation method for the slow release fertilizer. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls and edible fungi matrix are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based slow release fertilizer special for the sweet potatoes is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the sweet potatoes.. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the sweet potatoes for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil and realizing high efficiency and environment friendliness, and is beneficial to large-scale popularization and application in the production of the sweet potatoes.

The invention discloses a special controlled-release fertilizer for strawberry taking biomass granulated carbon as a matrix and a preparation method thereof. The granulated carbon prepared from the agricultural waste biomass such as corncob, peanut shell, rice hull, edible mushroom matrix and the like are used as the matrix material which is compounded with the necessary nitrogen, phosphorus, potassium and other nutrient elements for the strawberry growth by use of the multiple micropores and strong adsorption ability to obtain the granulated biomass carbon-based special controlled-release fertilizer for strawberry. In the invention, the biomass granulated carbon is the black biomass granulated carbon particles obtained by the incomplete combustion of the agricultural waste biomass under the low-oxygen condition, and has multiple characteristics similar to soil humus and strong adsorption and nutrient/moisture retaining abilities; and moreover, the biomass granulated carbon also can stimulate the crop growth, and has good controlled-release performance for nitrogen, phosphorus and potassium. The controlled-release fertilizer prepared from the biomass granulated carbon can effectively supply the nutrients required by the strawberry in the whole growth period by once application; and moreover, the controlled-release fertilizer has the characteristics of high efficiency, environmental protection and the like, enhances the soil fertility, improves the soil structure, and is favorable for large-scale popularization and application in the strawberry production.