Fig 1. Organic C contents and C/N ratios of bulk soil and labile fractions under different fertilization regimes.
Error bars represent standard error of the means (n = 3).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.