果园深翻改土压青改造低产树效果显著我县属于辽宁西半部干旱地区，果树立地条件差，７０％的果树栽在荒坡、荒沟上。果园土壤瘠薄，有机质含量少，加之干旱少雨，常造成果树树冠小、枝量少、树势弱、产量低。近几年来，针对这一问题，我们在采取综合措施的同时，重点推行... Orchard deep change soil pressure green transformation of low-yielding trees significant effect County belongs to the western half of Liaoning arid areas, fruit trees site conditions are poor, 70% of the trees planted in barren slopes, waste ditch. Orchard soil infertility, organic matter content is low, combined with dry and rainy days, often resulting in small canopy fruit trees, branches less, tree weak, low yield. In recent years, in response to this issue, we have taken comprehensive measures while focusing on ...