The distribution of the heavy mental elements (HMEs) in eluvial horizons, illuvial horizons and parent material horizons of 26 agricultural soil profiles in Hainan Island was studied.

采用现场采样及室内分析测试方法,对海南岛26个农业土壤溶层、淀积层、母质层中7种重金元素的分布特征进行研究。

This site offers images from the tropics e.g. pictures of soil profiles: aridisol in Peru, vertisol in Kenya, alfisol in Nigeria, mollisol in Thailand, spodosol in Brazil, laterite outcrops etc.

该供大量热带土壤的图，如：秘鲁的旱成土、肯尼亚的变性土、尼日利亚的溶土、泰国的软土、巴西的灰土、红土岩层等。