江淮稻作区氮肥用量对高产优质中籼稻产量、品质及氮肥利用效率的影响

阮新民, 从夕汉, 杜弘杨, 岳伟, 施伏芝, 罗彦长, 王元垒, 罗志祥

Effects of Nitrogen Fertilizer Rates on Grain Yield, Grain Quality, and Nitrogen Use Efficiency of High-Yield and High-Quality Medium Indica Rice in the Jianghuai Rice-Growing Region

Ruan Xinmin, Cong Xihan, Du Hongyang, Yue Wei, Shi Fuzhi, Luo Yanchang, Wang Yuanlei, Luo Zhixiang

表5 施氮量及氮肥利用率间相关分析

Table 5 Correlation analysis between nitrogen application rates and nitrogen use efficiency

项目Item NDE NGE NPE NRE NAE NPPE NGE 0.926** 1.000 NPE -0.010 0.232 1.000 NRE 0.401** 0.672** 0.860** 1.000 NAE 0.739** 0.942** 0.405** 0.800** 1.000 NPPE 0.843** 0.849** 0.346* 0.668** 0.780** 1.000 施氮量Nitrogen application rate -0.906** -0.811** -0.101 -0.390* -0.563** -0.882**