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种植大棚西瓜是近年来平阴县农民反季节栽培的─种主要方式。在大棚西瓜田中喷洒除草剂和杀菌剂是田间管理的重要农事活动。但由于群众对除草剂的作用机理和使用条件认识不够，经常导致在西瓜田中发生除草剂药害。我们针对大棚小环境和不同除草剂所产生的药害情况，指导农民对
Growing greenhouses watermelons in Pingyin County in recent years, counter-seasonal cultivation of farmers ─ ─ a major way. Spraying herbicides and fungicides in greenhouse watermelon fields is an important agricultural activity in field management. However, due to lack of understanding of the mechanism and conditions of use of herbicides, mass herbicide damage often occurs in watermelon fields. We directed the small environment of sheds and different pesticides produced by the pesticide situation, to guide farmers