Environment conditions affect the capability of light utility of crop leaf, whereas, the effect of crop colony on micrometeorology will influence photosynthesis of leaf.
作物叶片利用光能的能力受外界环境的影响，同时群体对小环境的影响反过来又影响叶片的光合作用。
" The remainder of the crop was shipped to England where it compared favorably with "Spanish" leaf.
剩下的烟草运回了英国，跟“西班牙”烟叶相比更受人喜爱。
In the model, the leaf area index (LAI), crop coefficients, and root penetration and distribution were simulated for the winter wheat and summer corn double cropping system.
模型对冬小麦—夏玉米轮作体系作物叶面积指数、作物系数、根系生长与分布进行了模拟。
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