论文部分内容阅读
棉花的分枝有叶枝和果枝。叶枝又叫营养枝,它不能直接开花结铃,而且生长势旺,消耗养分多,使田间通风透光不良。因此在栽培上当棉株出现叶枝后便及时除去,或将叶枝改为果枝。但是,叶枝出现的多少
Cotton branches have leafy branches and fruiting branches. Leafy branches, also known as nutrition sticks, it can not directly flowering bell, but growing vigorously, consume more nutrients, so that the field of poor ventilation and light. Therefore, when the emergence of cotton plants appear on the leaf after the timely removal, or the branches to fruiting branches. However, how many leaves appear