节水减氮对夏玉米干物质和氮素积累转运及产量的调控效应
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Regulation Effects of Water Saving and Nitrogen Reduction on Dry Matter and Nitrogen Accumulation, Transportation and Yield of Summer Maize
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图7. 相同灌水条件下施氮量与夏玉米产量的关系 |
Fig. 7. Relationships between nitrogen application rate and summer maize yield under the same irrigation conditions |
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