长期施用不同剂量氮肥对高粱产量、氮素利用特性和土壤硝态氮含量的影响
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Effects of long-term nitrogen fertilization with different levels on sorghum grain yield, nitrogen use characteristics and soil nitrate distribution
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图1. 不同施氮量下高梁淀粉含量和淀粉产量 |
Fig. 1. Content of total starch and starch yield at different nitrogen application rates (mean±SD) |
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