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关中位于陝西中部,在北緯34—35°之間,为渭河沖积平原,气候溫和,盛产麦、棉,有富饒的“八百里秦川”之称。近年来复种指数增加較快,作物产量的高低,除水利条件及栽培管理措施外,常受施肥水平所左右。 关中以(土娄)土为主,一般含氮量为0.06—0.07%,五氧化二磷为0.17—0.23%,氧化鉀为0.9—1.4%,有机质为0.5—1.1%。
Guanzhong is located in the central part of Shaanxi Province and is between 34-35 ° north latitude. It is the Weihe River alluvial plain with a mild climate and is rich in wheat and cotton. In recent years, the index of multiplication increased rapidly, the level of crop yield, in addition to water conservancy conditions and cultivation management measures, often affected by the level of fertilization. Guanzhong (earth) mainly soil, the general nitrogen content of 0.06-0.07%, phosphorus pentoxide 0.17-0.23%, potassium oxide 0.9-1.4%, organic matter 0.5-1.1%.