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Table 2 Number of seeds per pod and weight of 100 seeds, and Fe, Zn, P, and protein concentration of mature soybean seeds after application of various foliar treatments T1–T8

From: Nano- and Pheroid technologies for development of foliar iron fertilizers and iron biofortification of soybean grown in South Africa

  Seeds/pod
(−)
100-seed weight (g) Fe
(mg kg−1)
Zn
(mg kg−1)
P
(g kg−1)
Protein
(g kg−1)
T1 2.4 ± 0.1(4) 18.6 ± 0.5(3) 56.0 ± 3.0(5) 42.9 ± 2.3(5) 5.8 ± 0.2(4) 388.1 ± 13.6(4)
T2 2.4 ± 0.1(5) 18.1 ± 0.3(1) 60.1 ± 5.4(9) 42.9 ± 1.3(3) 6.1 ± 0.2(3) 383.8 ± 6.6(2)
T3 2.4 ± 0.1(3) 18.4 ± 0.6(4) 56.3 ± 3.0(5) 41.4 ± 1.0(3) 5.9 ± 0.3(4) 388.4 ± 12.4(3)
T4 2.3 ± 0.1(4) 17.8 ± 0.6(4) 57.2 ± 2.0(4) 41.6 ± 1.4(3) 5.8 ± 0.2(3) 385.6 ± 9.8(3)
T5 2.4 ± 0.1(3) 18.2 ± 0.3(2) 58.1 ± 5.3(9) 42.3 ± 1.7(4) 6.0 ± 0.2(4) 386.1 ± 12.9(3)
T6 2.4 ± 0.1(2) 17.8 ± 0.7(4) 58.0 ± 4.1(7) 42.3 ± 1.8(4) 6.1 ± 0.2(4) 378.0 ± 15.0(4)
T7 2.4 ± 0.1(2) 18.4 ± 0.4(2) 56.0 ± 3.3(6) 43.3 ± 1.4(3) 6.1 ± 0.2(3) 387.3 ± 10.1(3)
T8 2.4 ± 0.1(6) 18.3 ± 0.7(4) 55.8 ± 3.0(5) 42.6 ± 1.9(4) 6.1 ± 0.3(5) 382.8 ± 8.0(2)
  NS NS NS NS NS NS
  1. Values are given as mean ± SD, and the coefficient of variation (CV) is given in brackets. The last row shows the statistical significance from one-way ANOVA. NS: no statistically significant difference (p > 0.05). For each treatment, n ≥ 5