soil organic matter

• 土壤有机质

soil organic matter的用法和样例：

例句

1. Water storage in soil organic horizons is a further factor to consider.
   在土壤有机质中的水分贮积是一个值得进一步考虑的因素。
2. Capacity measuration is the prevailing method of soil organic matter determination.
   容量法是土壤有机质测定中普遍使用的方法。