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20％田草必清WP是湖北省农科院农药试验工厂用磺酰脲类除草剂、酰胺类除草剂和植物性增效剂,采用科学方法混配而成的一种广谱性除草剂。为明确其杀草谱、最佳用量和防除效果,我们于1999年和2000年分别在广西省昆明市和湖北省武汉市进行了田间药效试验。现将试验结果整理如下。
20% Tian Cao Qing WP is Hubei Province Academy of Agricultural Sciences pesticide test plant with sulfonylurea herbicides, amide herbicides and botanical synergist, using a scientific method of mixing a broad spectrum of herbicides . In order to clarify its herbicide spectrum, the best dosage and the control effect, we conducted field efficacy trials in Kunming, Guangxi Province and Wuhan City, Hubei Province in 1999 and 2000 respectively. The test results are summarized below.