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阿拉尔灌区盐分淋洗规律及棉花秋浇适宜灌水定额的研究的开题报告

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精品文档---下载后可任意编辑阿拉尔灌区盐分淋洗规律及棉花秋浇适宜灌水定额的讨论的开题报告Title: Study on Salt Leaching Law in Alar Irrigation Area and Appropriate Irrigation Quota for Cotton Autumn IrrigationIntroduction:Alar irrigation area is located in the lower reaches of the Tarim River, Xinjiang, China. Due to the high salinity of irrigation water and soil, the problem of salinization in irrigation area is serious. Effective water management measures need to be taken to reduce salinity and ensure the production of high-quality crops. This research aims to explore the salt leaching law in the Alar irrigation area and determine the appropriate irrigation quota for cotton autumn irrigation.Objectives:1. To investigate the distribution of soil salinity in the Alar irrigation area;2. To analyze the salt leaching law in the Alar irrigation area under different irrigation quotas;3. To determine the appropriate irrigation quota for cotton autumn irrigation in the Alar irrigation area.Methods:1. Field survey: collecting soil and water samples for laboratory analysis;2. Laboratory analysis: determining the salt concentration in soil and water samples;3. Experimental design: setting up irrigation experiments under different irrigation quotas to explore the salt leaching law;4. Data analysis: statistical analysis of the experimental data and drawing conclusions.Expected outcomes:1. The distribution pattern of soil salinity in the Alar irrigation area will be determined;精品文档---下载后可任意编辑2. The salt leaching law under different irrigation quotas will be revealed;3. The appropriate irrigation quota for cotton autumn irrigation in the Alar irrigation area will be determined.Significance:1. This research will provide scientific basis and technical support for reducing salinity and improving crop yield in the Alar irrigation area;2. The research results will also provide reference for water management in other irrigation areas with high salinity.

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阿拉尔灌区盐分淋洗规律及棉花秋浇适宜灌水定额的研究的开题报告

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