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) Dry weight of tomato plants (g). (B) Iron plant content (mg/kg). (C) Pigment concentration (mg/g) on tomato leaves. Different letters denote statistically significant differences according to LSD test (p < 0.05) for chlorophyl a (a, b, and c), chlorophyl b (x, y, and z), and carotenes (m, n, and p).
