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. 2020 May 15;10:8068. doi: 10.1038/s41598-020-64849-w

Table 3.

Concentration of the elements in sunflower seedlings (ppm). Possibly trivalent elements are marked with (III).

Element P-5-0 P-5-500 P-5-50 P-25-0 P-25-500 P-25-50 P-120-0 P-120-500 P-120-50 K-0-0 K-0-500 K-0-50
5 mT, Fe-NPs = 0 5 mT, 500 ppm 5 mT, 50 ppm 25 mT, Fe-NPs = 0 25 mT, 500 ppm 25 mT, 50 ppm 120 mT, Fe-NPs = 0 120 mT, 500 ppm 120 mT, 50 ppm Control, Fe-NPs = 0 Control, 500 ppm Control, 50 ppm
Ca 2223 P 1012FCN 1320FCN 1323 P 1072FCN 1264FC 1242 P 942FCN 1032FCN 1802 945 M 1102 M
K 13090 P 11065CN 10960FC 12365 P 10880FCN 10930FCN 12715 P 11185FCN 11360 C 12590 10510 M 10670 M
Mg 5150 P 4839FCN 4861FCN 4854 P 4633CN 4871 C 4850 P 4774 C 4766 C 5295 4644 M 4813 M
Na 44.3 P 143.8FCN 113.1FCN 36.4 P 97.1FCN 160.9FCN 39.2 P 123.5FC 140.6FCN 39.0 112.1 M 187.2 M
P 14510 P 12305CN 13210CN 15030 P 12280CN 13190CN 14885 P 12565CN 13230CN 16635 12270 M 13170 M
S 3344 P 3239CN 3335FN 3136 P 3215CN 3434FN 3147 P 3206 C 3399FCN 3148 3236 M 3283 M
Cu 23.6 P 22.9FCN 22.9FCN 17.9 P 23.0FCN 24.0FCN 18.1 P 23.1FCN 23.5FCN 26.9 22.1 M 22.4 M
Fe (III) 200.4 P 68.1FCN 69.1FCN 174.7 P 71.4FCN 73.6FCN 162.3 P 81.2FCN 68.5FCN 181.7 67.9 M 64.3 M
Mn (III) 32.67 P 25.74FCN 27.95FCN 32.05 P 26.63FCN 30.25FCN 31.42 P 26.26FCN 27.13CN 33.28 27.47 M 27.79 M
Mo 1.938 P 0.474 N 0.499 N 1.528 P 0.485 N 0.478 N 1.461 P 0.534FN 0.503 N 1.575 0.471 0.444
Ni (III) 6.78 P 4.82FCN 5.72FCN 21.08 P 4.52FCN 5.46FCN 14.07 P 4.90FCN 5.25FCN 28.67 4.90 M 4.84 M
Se 6.84 P 0.91 N 0.88 N 2.85 P 0.87 N 0.87 N 3.01 0.89 N 0.91 N 5.12 0.88 0.85
Zn 66.0 P 72.3FCN 70.4FCN 72.0 P 61.7FCN 71.9FCN 65.3 P 70.6FC 69.5FCN 63.8 61.8 M 64.1 M
Cr (III) 36.24 P 0.90CN 0.81CN 32.66 P 0.87CN 0.89CN 32.61 P 0.88CN 0.93FCN 34.99 0.85 M 0.85 M
Al (III) 123.75 P 3.57CN 4.88FCN 44.75 P 3.00FCN 4.35FCN 56.97 P 2.97CN 2.96CN 60.09 3.39 M 3.07 M
Sr 1.16 P 2.02FCN 4.14FCN 1.09 P 2.09FCN 2.60FCN 1.09 P 1.79FCN 2.17FCN 1.17 1.80 M 2.96 M
Cd 0.666 P 0.676FC 0.771FCN 0.615 0.742CN 0.788FCN 0.453 P 0.716FN 0.726CN 0.536 0.757 M 0.700
Hg 0.774 P 0.175 N 0.132FN 0.729 0.176 0.131 0.727 P 0.170 N 0.136 0.780 0.152 0.143
Pb 2.58 P 0.63CN 1.33FC 2.93 P 0.47CN 0.74FCN 2.42 P 0.53CN 0.77 C 2.60 0.44 M 1.06 M

Statistical significance for the effect of the magnetic field (in relation to K-0-500 and K-0-50 respectively)-F, for the effect of Fe-NPs (against P-5-0, P-25-0 or P-120-0, respectively) - N, for the effect of Fe-NPs and magnetic field (with respect to K-0-0)-C; the effect of Fe-NPs on K-0-500 and K-0-50 (relative to K-0-0)- M, the effect of magnetic field for samples P-5-0, P-25-0 and P-120-0 (relative to K-0-0)- P.