果园土壤覆盖好应用土壤覆盖制度有下列好处：１．树下土壤水分的波动较小，特别在干旱季节，这是由于减少了土壤表面水分蒸发，同时消除了树下生长的杂草及牧草争夺水分的原因。２．在覆盖物的下面土壤比较疏松，易碎，通气较好，形成了土壤团粒。３．覆盖的土壤中有效钾... Orchard soil cover the application of soil cover system has the following advantages: 1. Soil moisture fluctuations under the tree are small, especially in the dry season, which is due to the reduction of water evaporation on the surface of the soil and the elimination of weeds and grass foraging under the tree for water scarcity. 2. Under the cover of the soil is relatively loose, fragile, good ventilation, the formation of soil aggregates. 3. Effective potassium in the soil covered ...