论文部分内容阅读
棉花化控就是运用化学调控手段把棉花塑造成理想株型,塑造出高光效的群体。1.化控地位及作用棉花是典型的喜光作物,冀东早熟棉区棉花高产、早熟、优质需要通过合理密植来实现,但合理密植必然会加剧中后期个体与群体之间在空间和光能利用上的矛盾。因此,棉花化控就成为合理密植
Cotton chemical control is the use of chemical control means to mold the cotton into the ideal plant type, create a high luminous efficiency of the community. 1. Control status and role of cotton is a typical hi-light crops, early cotton Jidong cotton areas of high yield, early maturity, high quality needs to be achieved through close planting, but reasonable density will inevitably exacerbate the individual and group in the late space and light energy use On the contradictions. Therefore, cotton chemical control has become a reasonable close planting