影响杀虫剂药效的因素与科学使用杀虫剂的原理和方法Ⅳ.提高杀虫剂药效的基本方法影響殺蟲劑藥效的因素與科學使用殺蟲劑的原理和方法Ⅳ.提高殺蟲劑藥效的基本方法 영향살충제약효적인소여과학사용살충제적원리화방법Ⅳ.제고살충제약효적기본방법 Factors influencing efficacy of pesticides and principle and methods in scientific application of pesticides Ⅳ. Methods to improve effect of pesticides
