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.
Soil ammonium (a) and nitrate (b) content, WFPS (c) and temperature and precipitation (d) during the maize growth the 2nd harvest season. Legend abbreviations: M: maize monocrop; MB and MH: maize intercropped with B. brizantha and B. humidicola, respectively; 0 and 150 subscripts indicate the 0 and 150 kg ha-1 of N applied to the maize crop. Bars over the symbols indicate the standard deviation and the arrow indicates the date of N fertilizer application.
