PDF(1755 KB)
PDF(1755 KB)
PDF(1755 KB)
不同新型尿素对冬小麦-夏玉米轮作产量和氮素吸收利用及生产效益的影响
Effects of New Types of Urea on Yield, Nitrogen Absorption and Utilization, and Production Efficiency of Winter Wheat-Summer Corn Rotation
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