麦田套种玉米的群体结构特征分析

An Analysis of Characters on Wheat/Corn Compound Canopy Structure

对麦田套种玉米种植方式的群体结构进行了分析 ,利用CI 110数字植物冠层结构分析仪 ,测定了群体的叶面积指数、平均叶簇叶倾角、散射光透过系数、直射光透过系数、消光系数、叶分布指标 ,分析表明 :套种玉米的带田种植方式的散射光透过系数、直射光透过系数都比对照提高一倍多 ,光能利用率明显提高 ,特别是中下部采光量提高 。

This paper analyses wheat/corn compound canopy structure,by using the CI 110 digital plant canopy image,measures the leaf index\,mean leaf angle\,TD\,TR\,extinction coefficient and Leaf distribution.The analysis indicates:the TD and TR is two times larger than contrast,the light energy utilization ration clearly raises,especially middle and lower part lighting quantity raises,the production of the fringe of grain is high,its initial conclusion provides theory basis for wheat/corn plant.