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利用田间试验资料，根据农业气象学和植物生理学原理，从棉花生长发育、生理生态、产量形成等几个方面，分析了棉花主要生育期遭受旱涝灾害时对棉花生长的不同影响，提出花铃期遇旱涝灾害，对棉花的产量和品质影响均较大。
Based on the data of field experiment and the principles of agrometeorology and plant physiology, this paper analyzes the different effects of drought and flood on the growth of cotton in the main growth period of cotton from cotton growth and development, physiological ecology and yield formation. Period of droughts and floods affected the yield and quality of cotton are larger.