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Method for water-saving high-yield cotton cultivation in arid regions

A cultivation method and technology in arid areas are applied in the field of improving cotton yield and water use efficiency in arid areas, and can solve technical irregularities such as dripping time and dripping amount, fertilization time and fertilization quantitative adjustment time and chemical adjustment, and water and fertilizer utilization. Low efficiency, cotton greed for green growth, etc., to achieve the effect of solving cotton greed, reducing the number of adjustments and saving production costs

Inactive Publication Date: 2018-01-26
SHIHEZI UNIVERSITY
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Problems solved by technology

[0005] The purpose of the present invention is to provide a cotton planting method capable of improving yield and water use efficiency in arid early-maturing cotton areas, focusing on solving technical irregularities such as dripping time and dripping water amount, fertilization time and fertilization amount, chemical adjustment time and chemical adjustment amount, etc. Leading to problems such as low water and fertilizer use efficiency, excessive growth of cotton, and poor quality of machine harvesting

Method used

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  • Method for water-saving high-yield cotton cultivation in arid regions
  • Method for water-saving high-yield cotton cultivation in arid regions
  • Method for water-saving high-yield cotton cultivation in arid regions

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Embodiment Construction

[0015] Take Xinluzao 45 as an example below to describe the planting method of the present invention in detail:

[0016] 1. Variety and soil: Xinluzao 45 is an early-maturing cotton variety, which requires a seed germination rate of ≥92%, a purity of ≥95%, a clarity of ≥98%, a moisture content of ≤12%, residual acid ≤0.15%, and broken seeds. Rate ≤ 3%. Choose loamy soil and light clay soil with deep soil layer and light salinization. After the cotton is picked in autumn, ridges and borders are irrigated, and the water per mu is 120m 3 , to increase deep soil water storage; prepare the land around March 25, and spread high-quality farmyard manure 2.0-2.5×10 3 kg (or high-quality oil residue 150-200kg / 666.7m 2 ), 20-25kg of diammonium phosphate, 10-12kg of potassium sulfate, 1-2kg of zinc sulfate, 0.5-1kg of manganese sulfate, and 1-1.2kg of boron fertilizer. 2 Use pendimethalin 160-200g to seal the soil, and cover the soil in time, and the soil covering should not exceed 5cm...

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Abstract

The invention provides a cotton planting method for increasing yield and improving water utilization efficiency in arid early-maturing cotton areas. The method includes steps of seed selection; pre-sowing moisturizing and ploughing for soil preparation; timely sowing and high-density planting; intertillage weeding, warming and soil moisture preservation; water regulation supplemented by chemical regulation; shallow application of base fertilizers and topdressing; standard disleaving, timely harvesting and the like. By adoption of the method, problems of low water-fertilizer utilization efficiency, unfavorable-delayed senescence of cotton, poor mechanical harvesting quality and the like caused by nonstandard techniques in dripping time and quantity, fertilizing time and quantity, chemical regulation time and quantity and the like are solved.

Description

technical field [0001] The invention relates to a plant cultivation method, in particular to a method for improving the yield and water use efficiency of cotton planted in arid areas. It is especially suitable for arid areas with an annual rainfall of 200-300mm and a frost-free period of 180-200d. Background technique [0002] my country's cotton consumption has exceeded production for 13 consecutive years, and supply and demand are tight. Cotton has become my country's second important agricultural product that relies heavily on imports after soybeans. In recent years, due to large investment and low comparative efficiency, the cotton planting area in the Yangtze River Basin and the Yellow River Basin has continued to shrink. In order to ensure food security, my country's cotton area is bound to move to Bintantou and northwest inland dry land, that is, cotton "goes westward as a whole". The shortage of water resources is the main limiting factor of cotton production in th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/50
Inventor 罗宏海陈宗奎韩焕勇牛玉萍马卉杨德松
Owner SHIHEZI UNIVERSITY
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