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(一)防治棉蚜、红蜘蛛方法 1.碳酸氢铵一斤兑水一百至一百五十斤,在晴天、高温时,喷雾防治棉蚜,效果可达百分之九十左右;或用碳酸氢铵一斤兑煤油一两,再兑水一百五十至二百斤,充分搅拌至无油珠,喷雾防治蚜虫,效果在百分之九十。如再加入百分之六的可湿性六六六一斤,治蚜虫效果更好。 2.粉面(红薯面)一斤,加水十斤煮熟,再兑水四十斤,喷雾防治蚜虫、红蜘蛛,效果在百分之八十到百分之百。 3.烟叶一斤放入少量热水里浸泡一昼夜,充分揉搓,然后加够八十到一百斤水,过滤后喷雾防治蚜虫,效果达百分之九十;如用烟叶一斤同上述方法制
(A) Prevention and treatment of cotton aphids, spider mite Method 1. A bicarbonate pound watered one hundred to one hundred and fifty pounds in the sunny, high temperature, the spray control cotton aphid, the effect of up to about ninety percent; or With bicarbonate pound of kerosene one or two, and then watered one hundred and fifty to two hundred pounds, stir until no oil beads, spray aphids, the effect is 90%. If you add six percent sixty-six pounds wettable, cure aphids better. 2. noodles (sweet potato noodles) a pound, add water ten pounds cooked, then watered forty pounds, spray control aphids, spider mite, the effect of 80% to 100%. 3. Tobacco pound into a small amount of hot water soak for a day and night, full rub, then add enough 80 to a hundred pounds of water, filtered spray aphids, the effect of up to ninety percent; such as a pound of tobacco with the above method system