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本文根据1990、1991两年所做的节水灌溉制度试验研究资料,得到了N、P在节水条件下均为制约产量的极显著因素,从而根据田间观测资料总结出了一套节水的灌溉制度,可供参考。
Based on the experimental research data of water-saving irrigation system made in 1990 and 1991, we get that N and P are all the significant factors restricting the yield under the water-saving conditions. Based on the field observation data, a set of water-saving Irrigation system, for reference.