不同施氮量对华北平原作物产量及土体硝态氮分布和累积的影响
茹淑华, 张国印, 孙世友, 耿暖, 王凌
Effect of Different Nitrogen Application Rate on Soil Nitrate Nitrogen Distribution，Accumulation and Crop Yields of Northern China Plan
RU Shu-hua, ZHANG Guo-yin, SUN Shi-you, GENG Nuan, WANG Ling
华北农学报
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2012, (6): 172
-177
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DOI: 10.3969/j.issn.1000-7091.2012.06.034
