Fig. 1
From: Alleviation of iron deficiency in pear by ammonium nitrate and nitric oxide
Effects of exogenous NH4NO3 and NO application on the growth and development of pear with iron deficiency. A The growth phenotypes. B Growth index, including stem diameter, fresh weight, dry weight, and root shoot ratio. The data are expressed as the mean ± SD (n = 6). Different letters indicate significant differences at P < 0.05 (LSD test)