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2, refueling: when using pesticides mixed with poisonous soil to spread insects, add 1 kg of waste engine oil or diesel oil per mu of toxic soil and mix it, which can significantly improve the insecticidal effect.
3, plus urea: 40 grams of 40% dimethoate emulsifiable concentrate per acre plus 500 grams of urea and 50 kilograms of water, the insect control effect is significant, and can promote crop yield increase. For example, if 1% urea solution is added to 1000% dichlorvos emulsifiable concentrate 1000 times, the effect of controlling aphids is over 98%, and the control effect against red spiders is 95%.
4, add wine: any kind of pesticides add 50 grams of white wine per acre, its insecticidal effect will increase the control effect by about 20%.
5, compound mixed use: two or more pesticides mixed after application, can also improve the control effect. Such as phoxim and pyrethroids can improve the control of cotton bollworm, and treat other pests.
Huaxian County Plant Protection Station Chen Yipin
New method for improving the efficacy of pesticides
1. Adding washing powder: adding neutral washing powder to the liquid can increase the control effect by about 25%. For example, adding 50 grams of washing powder to 50 kg of 40% dimethoate 1000 times can enhance the adhesion of the liquid, and the effect of controlling wheat bran is over 95%.
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