解村林场林区,位于大清河上游中易水河畔的河漫滩地,海拔高50米,土壤质地粗沙,地下水位1.5—2米;年降水量580毫米,多集中在7、8月份,春季干旱多风,年平均气温12℃,无霜期136天;生长草本植物有蒿子、旱白草、毛莨、米口袋,少有菅草,植被复盖度40%,植生根系深度1.26米,多集中分布在50厘米以上。60年代初期营造杨树人工林10,000多 Jiecun forest farm forest, located in the upper reaches of the Qinghe River Yishui River Floodplain, 50 meters above sea level, coarse sand texture, groundwater level 1.5-2 meters; annual precipitation of 580 mm, mostly concentrated in July and August, spring Arid and windy, the annual average temperature of 12 ℃, frost-free period of 136 days; the growth of herbs are Artemisia, hay, buttercup, rice pocket, few Jian grass, vegetation coverage of 40%, root depth of 1.26 m planting roots, and more concentrated Distribution in more than 50 cm. In the early 1960s, more than 10,000 poplar plantations were created