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.
Monitoring model result of cotton yield based on the visible vegetation indices (Note: P denotes feature parameters screened out based on Pearson’s correlation coefficient, cal denotes training set; val denotes validation set. (A) Modeling results based on linear regression, (B) modeling results based on nonlinear regression).
