condition mean min max 12pM Fe,Midday 40.6785 40.6785 40.6785 12pM Fe,Midnight 24.9456 22.2508 27.6404 58pM Fe,Midday 27.3463 27.3463 27.3463 58pM Fe,Midnight 17.371671428571428 0.0 23.3243 233pM Fe,Midnight 20.154266666666665 17.3568 22.7013 1160pM Fe,Midday 27.517171428571427 25.3666 29.0809 1160pM Fe,Midnight 8.115909166666667 5.94616 11.9327 High carbon,Dark 29.883009333333334 9.22444 65.691 High carbon,Light 22.210397692307694 5.92867 39.4941 Low carbon,Dark 21.0322 21.0322 21.0322 Phloroglucinol 25.700433333333333 20.028 36.5325 Silicon starvation,12h 42.8329 42.8329 42.8329