To establish a soil resources information system for site specific management is essential for rational development and utilization of wide spread red soil resources in southern China.
研究建立土壤资源信息系统，实现土壤资源定位管理，是合理开发我国南方大面积红壤资源的前提。
Because of red soil process strongly, earthy manganese-iron deposits widely distribute, resources are huge, ores are easily exploited and difficultly beneficiated, regarded as black soil long term.
湘南地区红土化作用强烈，土状锰铁矿分布广，蕴藏量巨大，矿石易采难选，长期被当作地下“黑土”。
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