According to similar natural condition and different years of de-farming, this research studied nitrogen variation features of the desertification soils of different de-farming and wasteland in the western Karst region, Guizhou province.
According to similar natural condition and different years of de-farming, this research studied nitrogen variation features of the desertification soils of different de-farming and wasteland in the western Karst region, Guizhou province.
摘要研究以贵州西部喀斯特石漠化地区退耕弃荒地土壤为研究对象．在保证自然因素相对一致的条件下，根据退耕年限的不同和有无梯化过程，采集土壤样品进行全氮及氮素形态的化学分析。