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.
Effects of biochar (BC) application in rice (R) or wheat (W) seasons on the pH at soil profile. The values are means ± SD (n = 3). Error bars represent the SD of the mean of three replicates. Different letters mean statistically significant differences at p < 0.05.
