问:元跃同志:听说你去年在苹果树上使用过“复方苦参杀虫剂”农药,情况怎样? 答:是的,去年冬我在苹果树葡萄树、榆树上用了这种药。前2年、我给病树使用过石硫合剂、福美坤、硫酸铜、甲基托布津等药树算是保住了,但就是不长果,有的长果只有核 Question: Comrade Yuyue: I heard that you used the compound Sophora pesticide pesticide last year in the apple tree. A: Yes, last winter I used this medicine on apple trees, elm trees . The first two years, I used the stone tree sulfur stone compound, Fu Mei-kun, copper sulfate, thiophanate-methyl and other medicinal trees be saved, but it is not a long fruit, and some fruit only nuclear