调查了研究区土壤主要类型及其分布特征，获得了详实的土壤剖面理化性状资料。
Make investigations on main district soil type and its distribution character, obtaining specific and accurate soil section physical and chemical property materials.
通过对青海主要土壤类型剖面的有机质、机械组成、阳离子交换量三者之间的关系分析。
The relationship was analysised between organic matter, soil granular composition and cation exchange capacity(CEC) in Qinghai major soil types.
专业分工的领域主要取决于土壤类型、气候以及森林与海洋的自然资源。
Areas of specialization were largely determined by particular soil types, climate, and natural bounties of the forests and ocean.
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