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Wheat zinc-selenium leaf fertilizer and preparation and application methods thereof

A foliar fertilizer, wheat zinc technology, applied in fertilization methods, applications, liquid fertilizers and other directions, can solve the problems of ineffectiveness of increasing the content of zinc and selenium in grains, pollution of the environment, etc., and achieve fast dissolution speed, less pollution, and simple process. Effect

Inactive Publication Date: 2017-03-22
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Currently commonly used chemical fertilizers (urea, diammonium phosphate, potassium sulfate, elemental composition without zinc) can only increase wheat yield, but have no effect on the increase of grain zinc and selenium content. At the same time, excessive application is accompanied by the problem of environmental pollution.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A wheat zinc-selenium foliar fertilizer is made from the following raw materials: 2 g of sodium selenate, 200 g of zinc sulfate, 53 g of methamidophos, 2 g of dimethyltetrachloride, 5.7 g of polyvinylpyrrolidone K15, and 1000 g of water.

[0020] The preparation method of wheat zinc selenium foliar fertilizer, according to formula quantity, take by weighing sodium selenate 2g with balance, zinc sulfate 200g, methamidophos 53g, dimethyl tetrachloride 2g, polyvinylpyrrolidone K15 5.7g, water 1000g puts into 2L In a glass beaker, stir evenly with a glass rod to make wheat zinc selenium foliar fertilizer.

[0021] The using method of wheat zinc-selenium foliar fertilizer: the consumption of described wheat zinc-selenium foliar fertilizer is 50ml / mu, after described wheat zinc-selenium foliar fertilizer and water are diluted according to the ratio of 1:250 according to mass ratio, in wheat Spray on the surface of wheat leaves at the heading stage and flowering stage respecti...

Embodiment 2

[0030] A wheat zinc-selenium foliar fertilizer is made from the following raw materials: 1 g of sodium selenate, 100 g of zinc sulfate, 50 g of methamidophos, 1 g of dimethyltetrachloride, 1 g of polyvinylpyrrolidone K15, and 500 g of water.

[0031] The preparation method of wheat zinc selenium foliar fertilizer, take by weighing sodium selenate 1g with balance according to formula quantity, zinc sulfate 100g, methamidophos 50g, dimethyl tetrachloride 1g, polyvinylpyrrolidone K15 1g, water 500g, put into 1L In a glass beaker, stir evenly with a glass rod to make wheat zinc selenium foliar fertilizer.

[0032] The using method of wheat zinc-selenium foliar fertilizer: the consumption of described wheat zinc-selenium foliar fertilizer is 50ml / mu, after described wheat zinc-selenium foliar fertilizer and water are diluted according to the ratio of 1:250 according to mass ratio, in wheat Spray on the surface of wheat leaves at the heading stage and flowering stage respectively. W...

Embodiment 3

[0042] A wheat zinc-selenium foliar fertilizer is made from the following raw materials: 5 g of sodium selenate, 300 g of zinc sulfate, 55 g of methamidophos, 5 g of dimethyltetrachloride, 6 g of polyvinylpyrrolidone K15, and 2000 g of water.

[0043] The preparation method of wheat zinc selenium foliar fertilizer, take by weighing sodium selenate 5g with balance according to formula quantity, zinc sulfate 300g, methamidophos 55g, dimethyltetrachloride 5g, polyvinylpyrrolidone K15 6g, water 2000g, put into 5L In a glass beaker, stir evenly with a glass rod to make wheat zinc selenium foliar fertilizer.

[0044] The using method of wheat zinc-selenium foliar fertilizer: the consumption of described wheat zinc-selenium foliar fertilizer is 50ml / mu, after described wheat zinc-selenium foliar fertilizer and water are diluted according to the ratio of 1:250 according to mass ratio, in wheat Spray on the surface of wheat leaves at the heading stage and flowering stage respectively. ...

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Abstract

The invention provides a wheat zinc-selenium leaf fertilizer and preparation and application methods thereof; the wheat zinc-selenium leaf fertilizer is prepared from, by weight, 1-5 parts of sodium selenate, 100-300 parts of zinc sulfate, 50-55 parts of methamidophos, 1-5 parts of 2-methyl-4-chlorophenoxyacetic acid, 1-6 parts of polyvinylpyrrolidone, and 500-2000 parts of water. The wheat zinc-selenium leaf fertilizer is made just by weighing, according to formula quantities, sodium selenate, zinc sulfate, methamidophos, 2-methyl-4-chlorophenoxyacetic acid, polyvinylpyrrolidone and water and mixing well in a container. The application method of the wheat zinc-selenium leaf fertilizer comprises: diluting the wheat zinc-selenium leaf fertilizer with water at a ratio of 1:500 to 1:100, and spraying to wheat leaves respectively in wheat heading stage and blossoming stage. The wheat zinc-selenium leaf fertilizer provided herein can provide significantly increased zinc content and selenium content for wheat grains. The application method of the wheat zinc-selenium leaf fertilizer provided herein allows higher utilization rate than soil applied fertilizer; pesticide residue in soil is little, and pollution to soil and agricultural products is low.

Description

technical field [0001] The invention relates to the field of agricultural fertilizers, in particular to a wheat zinc-selenium foliar fertilizer and methods for preparing and using the same. Background technique [0002] Zinc and selenium deficiency in humans is one of the most common trace element deficiencies worldwide. Nearly one-third of the world's population suffers from zinc and selenium deficiency, and nearly 100 million people in China are deficient in zinc and selenium, and these people are mainly concentrated in remote rural areas. Insufficient intake of zinc and selenium, that is, zinc and selenium deficiency will lead to a series of health problems, such as slow growth and development, reduced human immune function, mental retardation, decreased memory and responsiveness, impaired reproductive system function, cataracts, etc. The main cause of zinc and selenium deficiency in the human body is that people's daily dietary intake of zinc and selenium is insufficien...

Claims

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Application Information

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IPC IPC(8): C05G3/02C05G3/00A01C21/00C05G3/60
CPCA01C21/00C05D9/00C05G3/00C05G3/60C05G5/23C05D9/02
Inventor 毛晖王朝辉张腾
Owner NORTHWEST A & F UNIV
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