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中文摘要：
根据实验资料,通过不同受旱处理确定了棉花的水分敏感指数及水分生产函数,结果表明对水分最敏感的阶段是花铃期,其次是蕾期,吐絮期最小。并运用动态规划方法制定了灌溉制度,可有效提高作物生育期内水分利用效率,对优化配置水资源,实现农业高效用水具有重要作用。
英文摘要：
Based on different water deficit treatments experiment,water sensitive index and crop water production functions for cotton were established.The results showed that the most sensitive stage to water-stress was flowering stage and the next was squaring stage,while the lest was boll-opening stage.Optimal irrigation schedule was established by dynamic programming,which could raise water use efficiency in whole growth stage and was important to the rational distribution of water and high water use efficiency of agriculture.
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