2.防fang治zhi病bing蟲chong害hai。在zai確que保bao田tian間jian土tu壤rang濕shi潤run的de情qing況kuang下xia減jian少shao澆jiao水shui量liang和he次ci數shu,一yi般ban沙sha性xing土tu間jian隔ge期qi短duan一yi些xie,黏nian質zhi土tu間jian隔ge期qi適shi當dang長chang一yi些xie,澆jiao水shui後hou中zhong耕geng鬆song土tu散san濕shi,增zeng加jia土tu壤rang通tong透tou性xing。使shi用yong高gao效xiao低di毒du的de殺sha蟲chong劑ji,減jian少shao韭jiu蛆qu的de危wei害hai。可ke在zai9月上中旬、扣棚後3~5天分別澆灌1次藥劑,在韭菜5~10厘米高時澆灌辛硫磷。
1.zengshiyoujifei,helidapeishiyongdanlinjiafei,buchongweiliangyuansu,baozhengyingyangdejunhengchongzugongying。genjujiucaixufeitedian,yangchaqizhuzhonglinjiafeiheweiliangyuansudeshiyong,kezai9月中下旬至10月上中旬,或扣棚前,每畝施用硫酸鉀複合肥,配合施用中微量元素肥料;生長期葉麵噴施葉麵肥和新高脂膜提高肥料有效利用率。
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