江苏南通市一农资销售商反映,当地有农民在菠菜播后苗前进行土壤封闭处理时,每亩用施田补33%二甲戊灵乳油120毫升喷雾,结果出现药害,菠菜出苗不良。现在部分田块已重新补种,但仅将种子播在土壤表面,没有耕翻整地。他问,菠菜田施用二甲戊灵为什么会产生药害,浮面补种是否仍然会发生药害。 Nantong, Jiangsu Province, a rural agricultural vendors reflect the local farmers in the spinach sowing seedlings before the soil closed treatment, the use of Shi Tian fill 33% pendimethalin EC 120 ml spray, resulting in injury, poor spinach emergence . Some plots have now been replanted, but only seeds sown on the surface of the soil, there is no tilling. He asked why pendimethalin was used in spinach field to produce phytotoxicity and whether phytosanitary surface flooding would still occur.