An experiment for analysing water transformation and productive forces in paddy fields has been carried out simulating water management patterns fields with different water sources.
模拟不同水源条件的稻田水管理模式，试验解析田间水量转换及其水分生产力。
The achievements in the studies and existed problems of the management patterns of water and fertilizer in apple orchard in dryland were analysed.
分析了旱地果园水肥管理模式的研究进展和存在问题，指出水肥胁迫尤其是水钾已成为旱区果树高产稳产优质化的主要限制因子。
The achievements in the studies and existed problems of the management patterns of water and fertilizer in apple orchard in dryland were analysed.
分析了旱地果园水肥管理模式的研究进展和存在问题，指出水肥胁迫尤其是水钾已成为旱区果树高产稳产优质化的主要限制因子。
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