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柑橘结果树如何管理?老果区果农有妙招

   2026-08-16 网络整理佚名2110
Key Point:选用1、2号环剥刀,在主干或主枝环割一圈的2/3,深度至皮层而不伤木质部为宜,环割后注意肥水管理,不要喷石硫合剂等烈性农药,防止落叶。(4)药物防治 在挖土剪除病根时覆土后
 
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