稻麦复种模式下氮肥与稻秸互作对小麦产量和N2O排放影响及推荐施肥研究

陆汝华, 王文轩, 曹强, 田永超, 朱艳, 曹卫星, 刘小军

Research on the effects of nitrogen fertilizer and rice straw return on wheat yield and N2O emission and recommended fertilization under rice-wheat rotation pattern

LU Ru-Hua, WANG Wen-Xuan, CAO Qiang, TIAN Yong-Chao, ZHU Yan, CAO Wei-Xing, LIU Xiao-Jun

图3 各个模型中的特征重要性 a: 一氧化二氮; b: 产量。缩写同表1。

Fig. 3 Independent importance of each RF model a, N2O; b, yield. Abbreviations are the same as those given in Table 1.