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.
Sample mean, attainable (top decile) mean and gaps in grain yield, net profit and labor productivity in irrigated lowland production systems and irrigated versus rainfed lowland production systems in SSA countries.
 |
The same letter indicates no significant difference at the 5% level.
