棕土

  • 网络umber;Raw umber
棕土棕土
  1. 加热棕土制成的深棕色颜料。

    Dark brown pigment obtained by heating umber .

  2. 太白山北坡垂直带土壤发生特性与分类&腐棕土

    Soil Genesis Characteristics and Classification of Vertical Zone on the Northern Slope of the Taibei Moutains

  3. 雨量坡度及作物对于四川紫棕土冲蚀之影响

    A Study on Rainfall , Slope , and Crop in Relation to Erosion of the Purple Brown Soil of Szechuan