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测定分析了麦田土壤水分及其动态变化；确定了春小麦需水关键期和适宜水分指标；分析了小麦不同阶段耗水量。
The soil moisture and its dynamic change in wheat field were determined and analyzed. The critical period for water requirement and the suitable water index were determined. The water consumption in different stages of wheat was analyzed.