药肥混施能提高对棉铃虫的防效棉铃虫是为害棉花蕾、铃的主要害虫之一。此虫有在棉株嫩绿部位上产卵的特点、因为棉花嫩芽的有机酸。这两种物质彬飞行的棉铃虫闻到位上产卵，繁殖后代。包而过磷酸钙能与棉株上分泌的草酸和叶酸发生化学反应，生成新的物质草酸钙和叶酸钙，... Mixed fertilizer can improve the control effect on cotton bollworm Helicoverpa armigera is one of the main pests that damage cotton buds and bells. This pest has the characteristic of spawning on the verdant part of the cotton plant because of the organic acid of cotton buds. Bin of these two kinds of material flight bollworm scent lay eggs, breeding offspring. Package and superphosphate can cotton plants secreted oxalic acid and folic acid chemical reaction, generate new substances calcium oxalate and folate, ...