我场位于黄河故道,大沙河中游。土壤为冲积性粉沙土,复沙较厚,PH值8左右,地下水位一般在1.5—2.5米。在局部地方含有不同程度的盐碱,而且地下水位较高,土壤有机质少,无结构。全年最高温41.8℃,最低温、-20.6℃。年降雨量700～800毫米,多集中在6—8月。 我场固沙造林始于1954年至1963年,总面积达到6360亩(其中有300亩经济林)。树种以加杨、旱柳为主,其次为杂交杨,毛白杨等。 My field is located in the old course of the Yellow River, Dasha River middle reaches. Soil is alluvial silt, thick sand, PH value of about 8, the groundwater level is generally 1.5-2.5 meters. In some places contain different degrees of saline and alkali, and high groundwater levels, soil organic matter less, no structure. The highest annual temperature of 41.8 ℃, the lowest temperature, -20.6 ℃. Annual rainfall 700 ~ 800 mm, mostly concentrated in June-August. My field of afforestation began in 1954 to 1963, with a total area of ​​6,360 mu (including 300 mu of economic forest). The tree species are poplar and willow, followed by hybrid poplar and poplar.