氮素积累量与收获指数和氮收获指数呈极显著正相关关系，而与氮素干物质生产效率呈极显著负相关，与氮素籽粒生产效率相关不显著。
It was also showed that the nitrogen content in rice grain had very significantly negative correlation with NHI, NDMPE, and NGPE, while had no significant correlation with hi.
表明施氮提高收获指数是促进小麦增产的主要原因之一。
This indicates that it is one of important reason for wheat yield increase by enhanced harvest index with applying N.
表明施氮提高收获指数是促进小麦增产的主要原因之一。
This indicates that it is one of important reason for wheat yield increase by enhanced harvest index with applying N.
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