土壤有机碳（SOC）和氮素（N）是地表植被生长的主要营养源，是土壤养分

Soil organic carbon (SOC) and nitrogen (N) is the main source of nutrition vegetation growth is an important part of soil nutrients, often as a soil quality assessment and sustainable land use management are important reference index.

Soil organic carbon (SOC) and nitrogen (N) are the main sources of nutrients for surface vegetation growth, and are an important part of soil nutrients, and are often used as important reference indicators for soil quality evaluation and land sustainable use management.

Soil organic carbon (SOC) and nitrogen (n) are the main nutrient sources for the growth of surface vegetation, and are important components of soil nutrients. They are often used as important reference indicators for soil quality assessment and sustainable land use management.<br>