condition mean min max 12pM Fe,Midday 35.5622 35.5622 35.5622 12pM Fe,Midnight 44.282849999999996 40.6694 47.8963 58pM Fe,Midday 28.8878 28.8878 28.8878 58pM Fe,Midnight 27.151514285714285 0.0 37.8144 233pM Fe,Midnight 38.854 33.9604 44.2941 1160pM Fe,Midday 33.07257142857143 30.8493 36.2177 1160pM Fe,Midnight 18.811576666666667 9.85382 30.8545 High carbon,Dark 34.82992 9.1615 64.5936 High carbon,Light 48.339393384615384 0.686424 102.223 Low carbon,Dark 57.7872 57.7872 57.7872 Phloroglucinol 28.973 25.572 32.9667 Silicon starvation,12h 80.6034 80.6034 80.6034