condition mean min max 12pM Fe,Midday 4.17037 4.17037 4.17037 12pM Fe,Midnight 18.3615 17.093 19.63 58pM Fe,Midday 5.42668 5.42668 5.42668 58pM Fe,Midnight 11.206114285714285 0.0 15.1146 233pM Fe,Midnight 15.748700000000001 14.3609 16.5757 1160pM Fe,Midday 2.165507142857143 1.13134 3.14 1160pM Fe,Midnight 6.555271666666666 1.71019 15.9873 High carbon,Dark 8.209090866666667 0.428343 18.7843 High carbon,Light 6.585040153846154 0.350372 24.4402 Low carbon,Dark 5.18218 5.18218 5.18218 Phloroglucinol 5.01856 3.22815 7.01963 Silicon starvation,12h 15.0743 15.0743 15.0743