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实验选取株行距 1m× 10m的毛白杨和花生间作田 ,研究修枝对间作田不同水平位置的光照及花生产量和生物量的影响。结果表明 :随修枝强度的增大 ,不同处理间作田相应位置的光照强度增强 ,花生的产量和生物量也随之增加。修一层枝和修两层枝的间作田 ,东林冠下测点日均光照强度分别比不修枝的提高 2 6 0 %和 5 5 1% ;西林冠下提高 19 0 %和 38 4 % ;行中提高 2 0 7%和 38 6 %。修一层枝、修两层枝的间作田花生产量分别比不修枝的提高17 1%和 4 7 6 % ,花生果生物量提高 17 6 %和 4 7 8% ,秸秆提高 12 0 %和 31 5 %。修枝对花生根生物量影响不显著
Experiments were conducted to study the effects of pruning on the light and peanut yield and biomass at different horizontal positions of intercropping system with the spacing of 1m × 10m between Populus tomentosa and peanut. The results showed that with the increase of pruning intensity, the light intensities of the corresponding positions of different treatments increased, and the yield and biomass of peanut also increased. The average daily light intensity at the measuring point of Donglin crown was increased by 260% and 551% respectively compared with that of non-pruning, while the crown under the crown was increased by 190% and 384% respectively. The increase of 20.7% and 386% in the line. The yield of field intercropping two branches was 17.1% and 47.6% higher than that of non-pruned ones, while the biomass of peanut fruits was increased by 17.6% and 47.8%, while the stalk was increased by 120% and 31% respectively 5%. Pruning had no significant effect on the root biomass of peanut