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Slow-release magnetized composite fertilizer for planting rapeseed and its preparation method

A compound fertilizer and slow-release technology, which is applied in the preparation of organic fertilizers, urea compound fertilizers, organic fertilizers, etc., can solve the problems of farmland soil nutrient destruction, unhealthy groundwater, fertilizer loss environment, etc., and improve the soil micro-aggregate structure , It is conducive to the reproduction of soil biological bacteria and the effect of improving soil fertility

Inactive Publication Date: 2016-12-07
ANHUI JINLU COMPOSITE MAGNETIC FERTILIZER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

my country's fertilizer output and usage are the first in the world, but there are many problems in the use of fertilizers in my country: (1) The utilization rate of fertilizers is low, and the loss of fertilizers causes serious environmental pollution
Due to the excessive application of chemical fertilizers or the low utilization rate of fertilizers, soil water-soluble nutrients and other substances are leached into groundwater and rivers by rainwater and farmland irrigation, causing groundwater and river pollution in some areas, making groundwater, rivers and lakes rich. Nutritization makes the groundwater unhealthy, and fish and shrimp in some rivers and lakes often die
(2) Single or partial application of chemical fertilizers will cause serious damage to farmland soil nutrients, etc.
However, the use of industrial and mining waste as a magnetic carrier to produce functional magnetized fertilizers has not been reported yet.

Method used

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  • Slow-release magnetized composite fertilizer for planting rapeseed and its preparation method
  • Slow-release magnetized composite fertilizer for planting rapeseed and its preparation method
  • Slow-release magnetized composite fertilizer for planting rapeseed and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A slow-release magnetized composite fertilizer for rape planting, comprising the following raw materials in parts by weight: 26 kg of urea, 20 kg of potassium dihydrogen phosphate, 4 kg of light calcium carbonate powder, 13 kg of potassium chloride, 2.2 kg of humus fertilizer, and 0.3 kg of selenium-enriched fertilizer kg, magnesium sulfate heptahydrate 0.8kg, starch ether 1.5kg, fertilizer additive 6kg, magnetic carrier 37kg.

[0043] The humic fertilizer is made of the following raw materials in parts by weight: 14kg of pond sludge, 14kg of sewer sludge, 7kg of bean curd, 1.5kg of distiller's grains, and 4kg of talcum powder; There is a mixed gas, the mixed gas is nitrogen, argon, carbon dioxide, and oxygen mixed in a ratio of 1:1:1:2, and then the fermentation is carried out in a closed fermentation tank. The fermentation temperature is 45°C. After 3 days of fermentation, the fermentation tank is opened, and the fermented product is humus fertilizer.

[0044] The st...

Embodiment 2

[0059] A slow-release magnetized compound fertilizer for rape planting, comprising the following raw materials in parts by weight: 24 kg of urea, 18 kg of potassium dihydrogen phosphate, 3 kg of light calcium carbonate powder, 10 kg of potassium chloride, 2 kg of humus fertilizer, and 0.2 kg of selenium-enriched fertilizer , Magnesium sulfate heptahydrate 0.5kg, starch ether 1kg, fertilizer additive 4kg, magnetic carrier 34kg.

[0060] The humic fertilizer is made from the following raw materials in parts by weight: 12kg of pond sludge, 12kg of sewer sludge, 6kg of bean curd, 1kg of distiller's grains, and 3kg of talcum powder; Mixed gas, the mixed gas is nitrogen, argon, carbon dioxide, and oxygen mixed in a ratio of 1:1:1:2, and then fermented in a closed fermentation tank at a fermentation temperature of 45°C. After 3 days of fermentation, the fermentation tank is opened, and the fermented product is putrefaction Fertilizer.

[0061] The starch ether is guar ether.

[006...

Embodiment 3

[0076] A slow-release magnetized compound fertilizer for rape planting, comprising the following raw materials in parts by weight: 28 kg of urea, 22 kg of potassium dihydrogen phosphate, 5 kg of light calcium carbonate powder, 16 kg of potassium chloride, 2.5 kg of humus fertilizer, and 0.5 kg of selenium-enriched fertilizer kg, magnesium sulfate heptahydrate 1kg, starch ether 2kg, fertilizer additive 8kg, magnetic carrier 40kg.

[0077] The humic fertilizer is made from the following raw materials in parts by weight: 16 kg of pond sludge, 16 kg of sewer sludge, 8 kg of bean curd, 2 kg of distiller's grains, and 5 kg of talcum powder; Mixed gas, the mixed gas is nitrogen, argon, carbon dioxide, and oxygen mixed in a ratio of 1:1:1:2, and then fermented in a closed fermentation tank at a fermentation temperature of 45°C. After 3 days of fermentation, the fermentation tank is opened, and the fermented product is putrefaction Fertilizer.

[0078] The starch ether is guar ether. ...

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Abstract

The invention relates to slow-release magnetized composite fertilizer for planting rapeseed and its preparation method. The slow-release magnetized compound fertilizer for planting rape includes the following raw materials in parts by weight: 24-28 parts of urea, 18-22 parts of potassium dihydrogen phosphate, 3 to 5 parts of calcium powder, 10 to 16 parts of potassium chloride, 2 to 2.5 parts of humic fertilizer, 0.2 to 0.5 part of selenium-rich fertilizer, 0.5 to 1 part of magnesium sulfate heptahydrate, 1 to 2 parts of starch ether, 4 to 8 parts of fertilizer additives, and 34 to 40 parts of magnetic carrier. The slow-release magnetized composite fertilizer for planting rapeseed is characterized in that the iron mineralized tailing sand compound fertilizer is magnetized, the soil environment is improved, the fertilization period of the fertilizer is enhanced, the nutrition absorption of the crop is enhanced, the lodging resistance and disease resistance of the rape are enhanced, yield and earnings are increased, and the environment is protected.

Description

technical field [0001] The invention relates to the technical field of compound fertilizers, in particular to a slow-release magnetized compound fertilizer for rapeseed planting and a preparation method thereof. Background technique [0002] my country is the most populous country in the world, and it is also a big agricultural country. Grain production occupies an important position in agricultural production. The main way to increase the grain output per unit area is to use chemical fertilizers in agricultural production. my country's fertilizer production and usage are the first in the world, but there are many problems in the use of fertilizers in my country: (1) The utilization rate of fertilizers is low, and the loss of fertilizers causes serious environmental pollution. Although my country invests a large amount of fertilizers in agricultural production every year, the utilization rate of fertilizers is far behind that of developed countries. Compared with the 55% fe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/00C05G3/80
CPCC05B7/00C05G3/00C05G3/80C05G5/12C05C9/00C05D1/02C05D3/02C05D5/00C05D9/02C05F5/006C05F5/008C05F7/00C05F17/00
Inventor 王兰祥王彪
Owner ANHUI JINLU COMPOSITE MAGNETIC FERTILIZER
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