果园栽培新措施─—覆草目前，果园施肥多以化肥为主，长期施用，造成土壤严重板结，不利于果树生长，难于获得高产。果园覆盖杂草，是一种新的栽培措施，可抑制杂草生长，大幅度增加土壤有机质含量，改善土壤理化结构，减少水土流失和水分蒸发，提高果树的抗旱能力，从而... Orchard cultivation of new measures ─ ─ mulching At present, the orchard fertilizers mostly dominated by long-term application, resulting in serious soil compaction, is not conducive to the growth of fruit trees, it is difficult to obtain high yield. Orchard covering weeds, is a new cultivation measures can inhibit the growth of weeds, a substantial increase in soil organic matter content, improve soil physical and chemical structure, reduce soil erosion and water evaporation, improve fruit tree drought resistance, thus ...