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栾城县是全国三个农业现代化综合科学试验基地之一,地处冀中平原,是河北省粮食高产县份之一。 地形平坦,地势西北高、东南低,海拔45～65米,坡降为1/1000排水良好。土壤以黄土、灰黄土类为主,占总面积的64.8％,土质为轻壤～中壤质,粒状结构,蓄水保肥,黑夹土类占土地总面积的27％。另有少量沙质土。本县河流较少,河渠面积为5300余亩,占土地总
Luancheng County is one of the three comprehensive agricultural science experiment bases in China. It is located in the Jizhong Plain and one of the high-yielding grain counties in Hebei Province. Flat terrain, high terrain northwest, southeast low, 45 to 65 meters above sea level, slope down to 1/1000 well drained. The soil is mainly composed of loess and lime-loess soil, accounting for 64.8% of the total area. The soil quality is light to medium loamy, granular structure, water and fertilizer, and the black earth and clayey soil account for 27% of the total land area. Another small amount of sandy soil. The county less rivers, canal area of 5300 acres, accounting for the total land