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Special formula fertilizer for cotton cultivation

A technology of formula fertilizer and cotton, applied in the direction of application, fertilization method, fertilization device, etc., can solve the problems of high production cost of cotton, increase of pesticide and labor cost, and inability to maximize the output, so as to be beneficial to water environment management , reduce fertilization cost and labor cost, and reduce the effect of eutrophication pollution

Inactive Publication Date: 2017-05-31
郭志刚 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when chemical fertilizers are used excessively, not only the yield cannot be maximized, but it will cause aggravation of cotton diseases and insect pests, and the quality of cotton will decline.
During the cultivation process, it is easy to cause diseases and insect pests, and the continuous spraying of pesticides also increases the cost of pesticides and labor, which leads to the high cost of cotton production in my country
In addition, the excessive use of nitrogen fertilizers cannot be absorbed and utilized by cotton, and it is easy to evaporate into the sky in the form of ammonium nitrogen or nitrate nitrogen, which becomes one of the important factors that cause smog

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] When using the base fertilizer, the fertilizer a) is applied to the furrow by mechanically applying the cotton formula fertilizer at the rate of 25 kg per mu while planting the cotton seeds, and the seeds and the formula fertilizer particles are covered in the furrow by covering the soil at the same time, and the depth of the covering soil is 3 ~5cm; when the cotton seedlings grow to a height of 30-50cm, topdressing is carried out, and the amount of topdressing is 25kg per mu. The amount of base fertilizer can be adjusted appropriately according to the soil conditions. For example, the amount of base fertilizer in alkaline or acidic soil can be appropriately increased to about 30kg. Topdressing can be carried out simultaneously with intertillage, that is, fertilization and soil cultivation while intertillage. If drip irrigation or sprinkler irrigation is used, the topdressing fertilizer can be melted in water every time it is watered and dripped or sprayed into the cott...

Embodiment 2

[0057] When using the base fertilizer, the a) fertilizer is applied to the furrow by mechanically applying the cotton formula fertilizer at a rate of 30 kg per mu while sowing the cotton seeds, and the seeds and the formula fertilizer particles are covered in the furrow by covering the soil at the same time, and the depth of the covering soil is 3 ~5cm; when the cotton seedlings grow to a height of 30-50cm, topdressing is carried out, and the amount of topdressing is about 25kg per mu. The amount of base fertilizer can be adjusted appropriately according to the soil conditions, for example, the amount of base fertilizer in alkaline or acidic soil can be appropriately increased to about 35kg. Topdressing can be carried out simultaneously with intertillage, that is, fertilization and soil cultivation while intertillage. If drip irrigation or sprinkler irrigation is used, the topdressing fertilizer can be melted in water every time it is watered and dripped or sprayed into the co...

Embodiment 3

[0060] When using the base fertilizer, a) fertilizer is applied to the furrow by mechanically applying the cotton formula fertilizer at a rate of 35 kg per mu while sowing the cotton seeds, and the seeds and the formula fertilizer particles are covered in the furrow by covering the soil at the same time, and the depth of the covering soil is 3 ~5cm; when the cotton seedlings grow to a height of 30-50cm, topdressing is carried out, and the amount of topdressing is about 25kg per mu. The amount of base fertilizer can be adjusted appropriately according to the soil conditions. For example, the amount of base fertilizer in alkaline or acidic soil can be appropriately increased to about 40kg. Topdressing can be carried out simultaneously with intertillage, that is, fertilization and soil cultivation while intertillage. If drip irrigation or sprinkler irrigation is used, the topdressing fertilizer can be melted in water every time it is watered and dripped or sprayed into the cotton...

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Abstract

The invention discloses a special formula fertilizer for high-yield cotton cultivation. The special formula fertilizer comprises a base fertilizer and an additional fertilizer, wherein the base fertilizer is prepared by mixing Ca(H2PO4)2.H2O or KH2PO4, 5Ca(NO3)2.NH4O3.10H2O, MgSO4.7H2O or MgSO4.H2O, and FeSO4.7H2O, and the additional fertilizer is prepared by mixing KNO3, KCl or K2SO4 with CO(NH2)2 or (NH4)2SO4. Results of field experiments show that compared with conventional fertilization methods (for composite fertilizers, urea, diammonium phosphate, calcium superphosphate, potassium dihydrogen phosphate, ammonium sulfate, potassium chloride and potassium sulfate), the special formula fertilizer provided by the invention has the advantages of easy application, capacity of allowing plants to grow vigorously and resisting insects and diseases, reduction of the spraying frequency of pesticides, decreased cost for pesticides and manual spraying, mu-yield increase of about 10% and improvement of cotton quality. The special formula fertilizer provided by the invention has good application value and market prospects.

Description

technical field [0001] The invention relates to the technical field of economic crop production, and mainly relates to a special formula fertilizer for cotton used in cotton cultivation. Background technique [0002] Cotton is one of the most important economic crops in our country. The annual cotton planting area in my country is about 63.28 million mu, the cotton output is 6.16 million tons, and the average yield per mu is 97kg. Although the planting range of cotton is suitable for many regions in my country, it is mainly suitable for planting in plain areas. Therefore, cotton production is basically distributed in Xinjiang, North China Plain and Jianghan Plain. Among them, cotton planting in Xinjiang, Hebei and Shandong provinces is of great significance to the agricultural economic development of these provinces. Cotton production areas in the world are distributed in tropical and other warm regions of Asia, Africa, North America, South America and Europe, and are wide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G1/00C05G1/10A01C21/00C05G3/80
Inventor 郭志刚
Owner 郭志刚
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