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.
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。
Furthermore, the results of correlation and path analysis show that nitrogen dry matter production efficiency (NDMPE), grain weight and nitrogen content are significantly correlated to NGPE.
经相关和通径分析，氮素干物质生产效率、粒重及氮含量与氮素子粒生产效率显著相关。
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