Recently, aiming at the reasons causing water and soil losses and fertility decline on the red soil drought farmland in Yunnan Province, the research and analysis have been carried out.
针对云南省红壤旱耕地近年来出现的水土流失、肥力下降的问题，研究分析问题产生的原因；
Recently, aiming at the reasons causing water and soil losses and fertility decline on the red soil drought farmland in Yunnan Province, the research and analysis have been carried out.
针对云南省红壤旱耕地近年来出现的水土流失、肥力下降的问题，研究分析问题产生的原因；
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