condition mean min max 12pM Fe,Midday 1.19464 1.19464 1.19464 12pM Fe,Midnight 3.69857 3.2302 4.16694 58pM Fe,Midday 0.634246 0.634246 0.634246 58pM Fe,Midnight 3.7846814285714285 0.0 5.72917 233pM Fe,Midnight 4.82853 4.29522 5.80311 1160pM Fe,Midday 1.4377021428571428 0.605207 2.44257 1160pM Fe,Midnight 3.5935808333333332 2.07535 6.58247 High carbon,Dark 17.225438266666668 0.757374 35.4753 High carbon,Light 6.769660769230769 0.0 17.6966 Low carbon,Dark 5.43551 5.43551 5.43551 Phloroglucinol 4.062396666666666 2.09607 7.97634 Silicon starvation,12h 7.20498 7.20498 7.20498