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2 双季稻氮肥贡献率和土壤氮素依存率

Fig.2 Nitrogen contribution rate and soil nitrogen dependence rate of the double-cropping rice