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219results about "Cyanamide fertilisers" patented technology

Particle calcium cyanamide compound fertilizer and technique for processing the same

The invention relates to a fertilizer, in particular to a granular calcium cyanamide compound fertilizer and a technique for processing the same. The granular calcium cyanamide compound fertilizer comprises the following components according to the total weight: 10 to 80 percent of calcium cyanamide, 10 to 80 percent of adding components, and 5 to 30 percent of caking agent, wherein the adding components comprise one or more than one of animal wastes, plant straws, decomposed coal, humic acid and humic acid magnesium; and the caking agent is one or more than one of urea, ammonium nitrate and calcium nitrate. The processing technique comprises the steps of crushing, stirring and granulating. The processing technique uses the characteristics of easy decomposition of the adding components in water and difficult decomposition of the caking agent in air, solves the problems that the prior calcium cyanamide is easy to decompose in the air and is not easy to dissolve in the water, effectively exerts the properties of long lasting manurial effect of the calcium cyanamide in soil and slow absorption by crops, has the characteristics of certain weeding and sterilizing effects, and can prevent causing harm to health of human body during use at the same time after the fertilizer is manufactured into granules.
Owner:宁夏大荣化工冶金有限公司

Restoring method for acidified soil

The invention discloses a restoring method for acidified soil. 25 kg of soil acidification conditioning agents are applied to soil in per mu of a field; a mixture which is 30-100 cm high is stacked in a vacant field in site one week after the soil acidification conditioning agents are applied, the top of the stack is covered with a layer of straw for light shielding, and the mixture is stacked for 5-10 days, then turned over once and stacked for 15-25 days; 100 kg of an organic water-soluble fertilizer for acidified soil is applied to the soil in per mu of the field; earthworms are inoculated 30 days after the organic water-soluble fertilizer for the acidified soil is applied, the soil is watered regularly to keep wet, the humidity is maintained to range from 70% to 90%, and the temperature is controlled within 30 DEG C; the stacked product is turned and uniformly mixed, ditches are dug, the mixture is applied to the field as a fertilizer, and plowing is performed once; 50 kg of soil acidification improvers are applied to the soil in per mu of the field. The soil acidification conditioning agents, the organic water-soluble fertilizer for the acidified soil and the soil acidification improvers are applied, the earthworms are inoculated, accordingly, the soil acidification degree is remarkably reduced, and the soil fertility is improved.
Owner:SICHUAN XINLONG AGRI SCI & TECH CO LTD

Planting method for high-yielding rice

The present invention discloses a planting method for high-yielding rice, and the planting method includes the following steps: A, planting broad beans in rice fields, harvesting the broad beans, conducting green manuring and water retting on the harvested broad beans, and applying base fertilizers to the rice fields; and conducting water control on rice seedlings with a seedling age of 15-20 days and a seedling acclimatization for 2-3 days; B, conducting rotary tillage, ridge separating and irrigation on the rice fields, and transplanting the rice seedlings; C, topdressing the rice seedlings with compound fertilizers to promote rice tillering after roots and stems of the rice seedlings are living; D, maintaining a water level of the rice fields at 3-5 cm during the rice tillering stage, topdressing the rice seedlings with urea, potassium chloride and calcium superphosphate, topdressing the rice with N-P-K compound fertilizers with an amount of 80-110 kg / mu and spraying biological pesticides when the rice is in the heading stage; topdressing the rice with the compound fertilizers mentioned in step C with an amount of 25-40 kg / mu when the rice is in the irrigation stage; and cutting off the water supply and drying the rice fields 7-10 days before rice maturity, and harvesting the mature rice. The planting method makes the rice high in yield, good in quality, and less in pesticide residues.
Owner:ANHUI MUMAHU AGRI DEV GRP

Soil improvement method based on calcium-magnesium-silicon-potassium bioactive fertilizer

The invention discloses a soil improvement method based on a calcium-magnesium-silicon-potassium bioactive fertilizer. According to the invention, after soil tillage, an organic water-soluble fertilizer is applied; a slack field is used for on-site piling in the field, wherein a mixture is piled to a height of approximately 30-100cm; the top of the pile is covered with a layer of straws for shading; a soil improvement agent and a soil conditioner are applied; earthworm is inoculated; the calcium-magnesium-silicon-potassium bioactive fertilizer is applied; the soil is plowed once, and the piled product is well mixed by turning; ditching is carried out, and the mixture is applied into the field as a fertilizer; and tillage is carried out once. According to the invention, the fertilizer effect is long. The piled product, the soil conditioner and the soil improvement agent assist in improving soil fertility for a long time. Adopted organic carbon and biologically fermented organic carbon filtrate can provide carbon nutrients for microbes in soil, such that microbe diversity in the soil can be enhanced. The activated calcium-magnesium-silicon-potassium bio-fertilizer assists in improving the trace element utilization rate of crops. The effectiveness of chelated trace elements is improved, and the trace elements can be more easily absorbed by crops.
Owner:SICHUAN XINLONG AGRI SCI & TECH CO LTD

Planting method for organic high-yield rice

The invention discloses a planting method for organic high-yield rice. The method comprises: planting broad beans in a rice field, after harvesting the broad beans, performing green manure dressing and retting, and applying base fertilizer; performing water-controlling harden-seedling on rice seedlings whose seedling age is 15-20 days for 2-3 days; performing rotary tillage, ridge dividing, irrigation on the rice field, and then transplanting rice seedlings; after the rice seedlings survive, dressing a compound fertilizer to promote rice seedling tiller; 13-18 days after rice transplanting, putting newly-hatched ducklings whose day-age is 12-20 in the rice field according to amount of 8-15 per mu, 25-40 days after putting the ducks in the rice field, driving the ducks out of the rice field, spraying biopesticide, performing field draining for 7-10 days, topdressing a nitrogen-phosphorus-potassium composite fertilizer according to amount of 20-50 kg per mu, and then irrigating to 8-10 cm, and driving the ducks in the rice field, 15-20 days before the rice is mature, taking back the ducks, and cutting off water and drying the field. The planting method for organic high-yield rice is high in yield, and obtained rice is good in quality, and high-quality duck meat is obtained.
Owner:ANHUI MUMAHU AGRI DEV GRP

Bitter buckwheat high-yield planting method

The invention discloses a bitter buckwheat high-yield planting method, and belongs to the technical field of plant planting and cultivation. The method comprises the steps of 1, land selection and land preparation, 2, bitter buckwheat planting, 3, pollination, 4, field management and 5, harvesting, and thus high-yield planting of the bitter buckwheat is achieved. Through the bitter buckwheat seeds treated by the bitter buckwheat high-yield planting method, the germination rate and the emergence rate of the seeds can be effectively increased, and the stress resistance of the seeds is improved at the same time; by pollinating the buckwheat through bees, not only can the yield be increased, but also the quality of fruits and the seeds and the viability of offspring can be improved, and it is beneficial to improving ecological environment and guaranteeing body health of people; by utilizing an unmanned aerial vehicle to conduct aloft work, on one hand, the buckwheat is subjected to pest killing and fertilizer spraying, on the other hand, harm of pesticides to the human body can be reduced, and the method is environmentally friendly and free of pollution. According to the bitter buckwheat high-yield planting method, the yield is 295-315 kg/mu, the yield is increased by 13.5%-21.2%, the setting rate is increased by 4.4%-6.3%, and the economic benefit is increased.
Owner:李昌珩

Vegetable waste organic fertilizer and preparation method thereof

The invention relates to an organic fertilizer and a treatment technique of wastes in the planting industry, in particular to a vegetable waste organic fertilizer and a preparation method thereof. The preparation method adopts calcium cyanamide, natural zeolite and organic materials as additive materials, and adds the materials in vegetable wastes for piling up and fermentation so as to prepare the organic fertilizer; the method has simple process and low cost, and solves the problems of environmental pollution caused by the vegetable wastes and resource utilization. The components in percentage by weight of the organic fertilizer are: 73 to 84 percent of vegetable wastes, 10 to 20 percent of organic materials, 2 to 4 percent of calcium cyanamide and 3 to 5 percent of natural zeolite. Thepreparation method comprises the following steps: piling up the organic materials, the vegetable wastes, the calcium cyanamide and the natural zeolite in layers in proportion; scattering the organic materials on the outer layer; closing the organic materials by a plastic sheet to carry out fermentation for 7 to 10 days; carrying out mechanical or manual pile turning and then closing the organic materials by the plastic sheet to carry out fermentation for 7 to 10 days again; and obtaining the organic fertilizer after drying the materials in the sun. The vegetable waste organic fertilizer has reasonable formulation, good fertilizer reservation effect and easy implement, and is suitable to be used as fertilizer for producing green vegetables.
Owner:SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI

Preparation method for organic fertilizer for preventing and treating secondary salinization of solar greenhouse vegetable field

InactiveCN105541489ASolve physical diseasesSolve the problems of harmful pests and diseases affecting the healthy growth of vegetablesBio-organic fraction processingAlkali orthophosphate fertiliserAnimal husbandryWilting
The invention discloses a preparation method for organic fertilizer for preventing and treating secondary salinization of a solar greenhouse vegetable field. The preparation method comprises the following steps: (1), mixing cow dung or a mixture of the cow dung with one or more of goat manure, chicken manure, pig manure, straws and waste tobacco shreds according to the volume ratio of 1:1 and fermenting, thereby obtaining a material A; (2), preparing earthworm cast after cow dung is fermented; (3), crushing crop straws, adding the crushed straws to chicken manure or pig manure, and enzyme microorganism, mixing uniformly, building stacks and fermenting, thereby obtaining a material D; (4), mixing the materials A, C and D to obtain a material E; (5), mixing the material E, calcium cyanamide, diammonium phosphate, zinc sulfate and sodium borate, thereby obtaining finished products organic fertilizer. According to the preparation method for the organic fertilizer for preventing and treating the secondary salinization of the solar greenhouse vegetable field, wastes of agriculture and animal husbandry industries are utilized as main materials and match natural antibacterial materials, such as lime nitrogen, in accompany with secondary and trace elements, such as calcium, boron and zinc, so as to solve problems of vegetable wilting and soil harmful bacteria caused by the salinization of the solar greenhouse vegetable field. Compared with application of common fertilizer, application of the prepared organic fertilizer has the advantages that the fertilization costs are reduced and the yield and quality of vegetables are improved.
Owner:HEBEI AGRICULTURAL UNIV.

Root-promoting and weeding date tree specially-used organic-inorganic composite fertilizer and preparation method thereof

The invention provides a root-promoting and weeding date tree specially-used organic-inorganic composite fertilizer which includes following components, by weight, 50-60 parts of dried cow dung, 40-50 parts of wormcast, 20-30 parts of sunflower head powder, 8-10 parts of sugar residue, 10-20 parts of plant ash, 1-2 parts of a microbial fermentation inoculant, 5-8 parts of ammonium phosphate, 10-12 parts of urea, 10-15 parts of calcium superphosphate, 12-14 parts of potassium chloride, 0.2-0.5 parts of zinc sulfate, 0.8-1.0 part of ferrous sulfate, 0.001-0.004 parts of ammonium molybdate, 0.001 parts of ethephon, 10-15 parts of agriculturally-use rare earth, 5-8 parts of dicyandiamide, 0.1-0.3 parts of zinc thiazole and 10-15 parts of a fertilizer additive. The date tree specially-used organic-inorganic composite fertilizer can promote growth of roots and meanwhile can inhibit growth of weeds and is reasonable in nutrition proportion. The organic components and the inorganic components are combined for improving soil fertility. With the addition of the weeding agent, weeds can be effectively controlled. The fertilizer can promote the roots of date trees to growth quickly and increases yield.
Owner:阜阳市颍泉区枣树行种植专业合作社
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