土壤颜色(soil coior)是土壤对太阳辐射在视觉器官能够感受到的光谱范围内(280～760nm之间)的选择吸收和漫反射的结果。土壤反射的那部分可见光的颜色决定土壤的颜色。对于自然土壤，颜色是表征许多性质的重要形态学特征。
时值十一月底，庄稼收割完毕，很多田地变得光秃秃的，暴露出来的土壤颜色从灰白色到褐色不等。
By late November, crops had been harvested and many of the fields were bare. The exposed soil ranges from pale tan to brown in the image.
《自然的馈赠》根据中国阴历和土壤的五种颜色来描绘作物的生长过程。
"The Gift of Nature" shows crop processes according to the Chinese lunar calendar and the five colors of the soil.
土壤的颜色取决于很多因素。
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