丛枝菌根真菌对玉米籽粒产量和氮素吸收的影响

张学林, 李晓立, 何堂庆, 张晨曦, 田明慧, 吴梅, 周亚男, 郝晓峰, 杨青华

Effects of arbuscular mycorrhizal fungi on grain yield and nitrogen uptake in maize

ZHANG Xue-Lin, LI Xiao-Li, HE Tang-Qing, ZHANG Chen-Xi, TIAN Ming-Hui, WU Mei, ZHOU Ya-Nan, HAO Xiao-Feng, YANG Qing-Hua

图5 氮肥用量、秸秆和菌根真菌直接或间接影响玉米籽粒产量的结构方程模型(SEM)分析 实线和虚线分别表示正路径和负路径, 数值表示路径系数; R2值表示相关系数。

Fig. 5 Structural equation model (SEM) analysis of direct and indirect effects of N fertilization, straw, and mycorrhizae on maize yield The solid and dashed lines represent the positive and negative paths, respectively. The values indicate the path coefficients, and R2 value indicates the correlation coefficient.