【摘要】 在大量野外调查的基础上,系统地研究了土壤的酸性特征、颗粒组成、交换性能、盐基饱和度、铁的游离度、粘粒化学组成及粘土矿物类型等发生学性质。利用数理统计和多元分析等方法,提出了陕南黄棕壤、黄褐土的诊断特征及诊断指标。更多还原

【Abstract】 Based on the field surveys on a wide scale, the systematic studies were made on soil acid properties, particle fractions, exchangeable performances, saturated base, free feeric properties, clay chemical components, clay mineral types and their properties of genesis. The statistics and multiple analysis were used to suggest the diagnostic properties and diagnostic indexes for yellow brown earth and cinnamon soil in the south part of Shaanxi Provice.更多还原