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Fertilizer synergist for improving phosphorus absorptive amount of oilseed rape and preparation method thereof

A fertilizer synergist, rapeseed phosphorus technology, applied in the directions of botanical equipment and methods, fertilizer mixtures, fertilization devices, etc., can solve the problems of low utilization rate of fertilizers, destruction of soil physical and chemical properties, etc., and achieve biomass increase and low price. , the effect of increasing rapeseed yield

Inactive Publication Date: 2015-09-09
肥东联湾家庭农场
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  • Abstract
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Problems solved by technology

At present, there are many kinds of special fertilizers for rape on the market, but the problems of low utilization rate of fertilizers and damage to soil physical and chemical properties cannot be avoided.

Method used

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Embodiment Construction

[0020] specific implementation plan

[0021] The present invention will be described in further detail below in conjunction with the following specific embodiments:

[0022] Weigh the following raw materials (kg): kaolin 37, calcium carbonate powder 6, attapulgite clay 3, modified phosphate rock powder 70, sodium nitrophenolate preparation 1, sodium humate 5, distiller's grains 9, dead leaves 13. Appropriate amount of water;

[0023] The modified phosphate rock powder is made of the following raw materials in parts by weight: phosphate rock powder 100, γ-polyglutamic acid fine powder 1, ferrous sulfate 6, calcium bicarbonate 8, Bacillus subtilis bacterial agent 2, silicic acid Salt bacteria agent 3, EDTA chelated copper 20, manganese humate 25, papermaking black liquor 15, cornstarch 40; the preparation method is to heat and evaporate the papermaking black liquor, add phosphate rock powder after being concentrated into a solid state, and mix the mixture at 450 Roast at ℃, th...

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Abstract

The invention discloses a fertilizer synergist for improving the phosphorus absorptive amount of oilseed rape, wherein the fertilizer synergist is prepared from the following raw materials in parts by weight: 36-39 parts of kaolin, 6-7 parts of a calcium carbonate powder, 3-4 parts of attapulgite clay, 60-80 parts of modified ground phosphate rock, 1-2 parts of a compound sodium nitrophenolate preparation, 3-6 parts of sodium humate, 8-10 parts of vinasse, 12-14 parts of dead leaves, and a proper amount of water. The modified ground phosphate rock utilized in the fertilizer synergist is low in price, and after the ground phosphate rock is activated by gamma-polyglutamic acid, not only is the absorption of oilseed rape on phosphorus facilitated, but also the utilization rate of a phosphate fertilizer can be improved, a soil phosphorus deficiency problem can be effectively relieved, and at the same time, with the use of a large number of ground phosphate rock in the synergist, a great promoting role is provided in development of middle-low grade phosphate ore resources in China.

Description

technical field [0001] The invention relates to the technical field of fertilizer synergists, in particular to a fertilizer synergist agent for improving phosphorus absorption of rapeseed and a preparation method thereof. Background technique [0002] Rapeseed is an important economic crop in my country. It not only has high edible value, but also can be used as an excellent feed for livestock and poultry. At the same time, it can be processed and extracted for daily life and industrial use. At present, there are many kinds of special fertilizers for rape on the market, but the problems of low utilization rate of fertilizers and damage to soil physical and chemical properties cannot be avoided. [0003] γ-polyglutamic acid is an anionic polyamino acid produced by microbial fermentation in nature. Its molecular chain has a large number of free side chain carboxyl groups with high activity, which can form hydrogen bonds inside or between molecules, and has good water solub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01G1/00
Inventor 张道平
Owner 肥东联湾家庭农场
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