问作套种在我国已有悠久历史,近年来随着农业学大寨和科学种田的深入发展,农田基本建设的不断改善,生产水平逐年提高,我省耕作改制的重要方面—间作套种已成为抗灾夺丰收的有力措施。间作套种能增产的主要原因之一,就是改变了作物通风透光条件,充分利用了光 Intercropping has long history in our country. In recent years, with the deepening development of Dazhai in agriculture and scientific farming, the improvement of farmland infrastructure and the improvement of production level have been achieved year by year. Intercropping, an important aspect of farming system in our province, has become a disaster- Winning a powerful harvest measures. Intercropping can increase the production of one of the main reasons is to change the ventilation conditions of crops, make full use of the light