【摘要】 土壤物质成分,主要受控于成土母岩的岩石类型与矿物组成。平谷平原区具有适宜大桃种植的气候与土壤条件,这与平谷区特殊的地质背景密切相关,土壤中多项有益元素的含量普遍高于北京市其它地区。平谷区内的不同地区大桃果实中的矿质元素含量也存在着差异,以平谷东部大桃中的矿质元素含量最为丰富。更多还原

【Abstract】 Soil material composition is controlled by rock types of soil-forming rock and mineral composition.The plain terrain in Pinggu possesses the climate and soil condition which is good for growing peaches.This is mainly related to the special geological background in Pinggu District.Many beneficial elements content is more than the other areas in Beijing.The mineral elements content of peaches has diversity in Pinggu’s different aeries.And the mineral elements content in eastern plain Region is the most abundant.更多还原