condition mean min max 12pM Fe,Midday 32.7163 32.7163 32.7163 12pM Fe,Midnight 23.223550000000003 21.998 24.4491 58pM Fe,Midday 20.2143 20.2143 20.2143 58pM Fe,Midnight 13.55097142857143 0.0 18.5285 233pM Fe,Midnight 12.5541 12.1509 13.3042 1160pM Fe,Midday 18.74487142857143 13.9359 20.9591 1160pM Fe,Midnight 9.00714 2.33125 15.7009 High carbon,Dark 10.4943476 0.252264 28.3851 High carbon,Light 10.101538846153847 0.664155 26.5041 Low carbon,Dark 9.85343 9.85343 9.85343 Phloroglucinol 33.23146666666667 26.7091 39.4063 Silicon starvation,12h 40.7594 40.7594 40.7594