当前露地西瓜生产上一般采用小拱棚内营养钵育苗后再移栽至大田,由于前期瓜苗生长缓慢,而杂草生长较快,且地膜下的杂草又难以拔除。为此,2005年4月用48%丁·异恶草酮进行了西瓜田除草效果及安全性试验,现将试验结果报道如下。1材料与方法1.1供试材料西瓜品种为安徽丰乐种业有限 The current open watermelon production generally use small arch shed nutrition nursery before transplanting to the field, due to the slow growth of pre-melon seedlings, and weeds grow faster, and under the mulching of weeds is difficult to remove. To this end, in April 2005 with 48% Ding clomazone watermelon weeding effect and safety tests, the test results are reported below. 1 Materials and Methods 1.1 Test materials Watermelon varieties Anhui Fengle limited seed industry