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对麦田机械套种玉米宽窄行的群体光合及果穗性状、不同层次叶片对群体光合及对果穗性状的影响进行试验研究 ,结果表明 :窄行的群体光合高于宽行 ,但窄行下降的速度快 ,宽行的果穗性状优于窄行 ;棒三叶对群体光合的影响最大 ,对果穗的性状影响也最大 ,其次为上部叶片 ,下部叶片的影响最小
The experiment was conducted on the photosynthesis and ear characters of maize wide-width intercropping maize wide-width rows and the effects of different levels of leaves on the population photosynthesis and ear traits. The results showed that the photosynthesis of narrower rows was higher than that of broad rows, but the decline of narrow rows was faster , The width of the ear row is better than that of the narrow row; stick clover has the greatest influence on the photosynthesis of the population, and has the greatest impact on the ear traits, followed by the upper leaf and the lower leaf