不同施氮水平对双季稻产量、氮素利用率及稻田氮素平衡的影响

秦碧蓉, 尤赛雅, 陈书融, 朱练峰, 孔亚丽, 朱春权, 田文昊, 张均华, 金千瑜, 曹小闯, 刘丽

Effects of the Different Nitrogen Levels on Yield, Nitrogen Utilization Efficiency and the Nitrogen Balance of Double-Cropping Rice in Paddy Field

Qin Birong, You Saiya, Chen Shurong, Zhu Lianfeng, Kong Yali, Zhu Chunquan, Tian Wenhao, Zhang Junhua, Jin Qianyu, Cao Xiaochuang, Liu Li

图3 早稻、晚稻产量和施氮量的一元二次回归分析

Fig.3 One-dimensional quadratic regression analysis between rice yield and N application level of early rice and late rice