The features and formation of iron nodules were studied in Ustic Vertisols in Yuanmou Basin based on soil-landscape analysis.
在对元谋盆地区域土壤—景观分析基础上，研究了干润变性土中铁质结核的特征和形成。
2
The mitigation and control of Uap-Ustic Isohumisol degradation need to popularize protective farming techniques, remodel traditional agriculture and increase farming investment.