condition mean min max 12pM Fe,Midday 11.5904 11.5904 11.5904 12pM Fe,Midnight 6.968005 6.82241 7.1136 58pM Fe,Midday 10.4239 10.4239 10.4239 58pM Fe,Midnight 4.224772857142857 0.0 6.74247 233pM Fe,Midnight 4.6724733333333335 4.47582 4.96988 1160pM Fe,Midday 10.490391428571428 7.55814 12.9948 1160pM Fe,Midnight 1.9674358333333333 0.956432 3.59374 High carbon,Dark 5.126750933333334 0.621444 11.6559 High carbon,Light 6.7823882307692305 0.223719 14.5951 Low carbon,Dark 8.33637 8.33637 8.33637 Phloroglucinol 9.94632 8.52896 10.9538 Silicon starvation,12h 15.5676 15.5676 15.5676