目前果农中流传着四句顺口溜“地下氮、磷、钾,树上刻、剥、拉,牢记十个字,果农个个发。”乍一听,言简意赅,只十个字就概括了地下、树上管理要点。但仔细推敲,这个顺口溜易把果树管理导入误区。切不说“地下氮、磷、钾”忽视了“以有机肥为主”的施肥原则,忽视了微量元素的作用;“树上刻、剥、拉”使许多不懂管园技术的果农如获至宝,他们急功近利,把“刻、剥、拉”当成金科玉律,不分品种、树势、树况,搞株株剥、枝枝剥、芽芽刻,强树剥弱、死枝死树情况屡屡发生。某果农听了“刻、剥、拉”讲座后,把自己的270株7年生烟青全部在主干上进行了 At present, there are four jingle among underground peasants: underground nitrogen, phosphorus and potassium, carved, stripped and pulled in the ground, ten characters in mind, and fruit growers each have a hair. “At first glance, concise and concise, only ten words sum up the underground, Tree management points. But carefully considered, this jingle easy to fruit management into misunderstanding. Do not say ”underground nitrogen, phosphorus and potassium“ ignore the ”organic fertilizer-based“ principle of fertilization, ignoring the role of trace elements; ”tree engraving, stripping, pulling“ so that many farmers do not understand the technology of garden Treasure, they quick success, the ”carving, stripping, pulling“ as the golden rule, regardless of species, tree vigor, tree conditions, engaging in plant stripping, branch stripping, bud bud carving, Occur again. After hearing about the ”carving, peeling and pulling" lectures, a fruit farmer put all 270 270-year-old tobacco on the trunk