condition mean min max 12pM Fe,Midday 4.63739 4.63739 4.63739 12pM Fe,Midnight 6.82898 4.8227 8.83526 58pM Fe,Midday 6.44817 6.44817 6.44817 58pM Fe,Midnight 4.913218571428572 0.0 8.94629 233pM Fe,Midnight 3.4520733333333333 2.8747 4.12575 1160pM Fe,Midday 1.2063648571428571 0.0 3.70986 1160pM Fe,Midnight 1.4789974166666666 0.4803 2.45308 High carbon,Dark 9.062721933333334 0.0 21.359 High carbon,Light 3.4461316923076923 0.0 8.97394 Low carbon,Dark 7.53559 7.53559 7.53559 Phloroglucinol 3.5420733333333336 1.24539 8.12432 Silicon starvation,12h 7.16173 7.16173 7.16173