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辽宁西北部是典型的风沙半干旱地区,土壤类型属于栗钙土类型.影响这一地区果树生产的主要环境因子有温度、降水、土壤.以阜新县为例,年平均气温7．4℃,绝对最低气温－30．6℃,无霜期148～188d,年降水量498．9mm,土壤有机质含量低于1%的土壤占总耕地面积的43．95%,山地土层厚度1
The northwestern part of Liaoning Province is a typical semi-arid area with wind-blown sand and the soil type belongs to the type of chestnut soil.The main environmental factors affecting the fruit tree production in this area are temperature, precipitation and soil.The annual average temperature is 7.4 ℃ in Fuxin County, The absolute minimum temperature -30.6 ℃, frost-free period 148 ~ 188d, annual precipitation 498.9mm, soil organic matter content of less than 1% of the total soil area of 43.95%, mountain soil thickness 1