我县目前一些苹果低产园,多因土肥水条件不好,管理水平低以及病虫为害等原因造成,如何加强低产国的改造,尽快提高产量,是当前急待解决的问题,为此我们组织力量进行了专题考查,通过考查初步认为要改造低产园必须: 一、搞好果园的土、肥、水管理,改变果树生产条件。深厚的活土层, At present, some low-yielding apple-growing areas in our county are mainly caused by the poor soil fertility and water conditions, low management level, pests and diseases and other causes. How to strengthen the transformation of low-yielding countries and increase the output as soon as possible are the urgent problems to be solved. Therefore, we organize Power to carry out a special test, through examining the initial view that we must transform low-yielding parks must: First, improve orchard soil, fertilizer and water management, change the production conditions of fruit trees. Deep live soil layer,