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.
A, B: total plant N uptake of wheat, and faba bean; C, D: shoot N content of wheat, and faba bean; E, F: root N content of wheat, and faba bean. iso: isolated plants; mono: monocropped plants; inter: intercropped plants. Open and solid circles, open triangles indicate the mean of actual data at each sampling. All values represent means±SE (n = 3). Curves are derived from the logistic equation using the mean of three replicates.
