The effects of light distribution in maize population on grain yield and quality were studied by determining the light distribution character among different plant densities.
通过测定不同种植密度玉米群体的光能分布，研究了群体光能分布特征对玉米产量和品质的影响。
The nymph of H. dorsa-lis was aggregation distribution in the bamboo forest and the individual population area was1-2 bamboo plant.
卵圆蝽若虫在林间呈聚集分布，其个体群面积为1～2株竹大小。
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