在豆角開花結莢期間,必須每10~15天葉麵噴灑一次25~30倍幹燥純淨的草木灰浸出澄清液,或10~15倍大蒜浸出澄清液,或5~10倍茶麩浸出澄清液,或10~15倍新鮮桃葉浸出澄清液,或者10~15倍新鮮苦瓜葉浸出澄清液等,均勻噴濕所有的葉片和豆莢,就能有效地殺死為害豆莢的豆莢螟。
豆jiaodoujiamingcongdoujiaogangkaihuaxingchengdoujiashi,jiuzhurudoujianeiweihai,zhizhidoujiacaishou,zaidoujianeixingchengchongdao,zhushijiarouhedouren,bingpaifenbianzaiqizhong,shidoujiajixing,jianshaochanliang,jiangdipinzhi。由於豆角連續開花結莢,豆莢生長時期短,從開花到采收,僅7~10tianshijian,daliangkaihuajiejiaqijian,jihutiantiandouyoudoujiacaishou,bixucaiyongwugonghaifangfafangzhidoujiaming,cainengfangzhiwurandoujia,baozhengshiyonganquan,buweihairentijiankang。jutifangzhifangfaruxia:
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