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.
In 2018, PC1 and PC2 accounted for 85.7% and 5.2% of the total variance, respectively; In 2019, PC1 and PC2 accounted for 78.2% and 9.9% of the total variance, respectively. CK, RSMT, SBMT and CMT represent no organic fertilizer treatment, rapeseed meal treatment, soybean meal treatment and cattle manure treatment, respectively. Data were means ± standard error (n = 3).
