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果樹苗藥劑灌根

發布日期:2019-05-06 10:05:50  點擊量:604   信息來源:原創

果樹苗藥劑灌根。為防止病株感染其余的根系,應以樹體為要點,挖4-6條深60厘米、寬30-40厘米去至樹冠外圍的放射狀溝,灌50%退菌特可濕性粉劑300倍液,或70%的甲基托布津可濕性粉劑800倍液,或200倍的硫酸銅藥液,果樹苗每株施用藥量視樹體大小而定


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