摘要
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。
The results of experiments carried out in 1990 and 1991 show that the N,P are the most notable factors of restricting yield of spring wheat under the condition of watersav-ing irrigation. From these,we obtain a set of system of water -saving irrigation in the Yel-low River establish area in Ningxia for reference to use.
出处
《农业科学研究》
1992年第3期9-16,共8页
Journal of Agricultural Sciences
基金
国家自然科学基金
关键词
灌溉农业
节水灌溉
黄河农业
Irrigation agriculture water-saving irrigation spring wheat water-saving culture