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1 双季稻土壤0~100 cm剖面铵态氮、硝态氮含量 (a) 早稻；(b) 晚稻；图中数据为2020-2021年的平均值。

Fig.1 Contents of NH4+-N and NO3--N in 0-100 cm soil profile of the double-cropping rice (a) early rice; (b) late rice; The datas in the figure are average value of 2020-2021.