condition mean min max 12pM Fe,Midday 0.619423 0.619423 0.619423 12pM Fe,Midnight 0.47877349999999996 0.322088 0.635459 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.28195114285714284 0.0 0.722342 233pM Fe,Midnight 0.12966066666666667 0.0 0.196103 1160pM Fe,Midday 0.13525514285714285 0.0 0.251424 1160pM Fe,Midnight 0.02260925 0.0 0.271311 High carbon,Dark 0.7710497333333333 0.0 2.71974 High carbon,Light 0.5014781538461538 0.0 2.10486 Low carbon,Dark 1.00654 1.00654 1.00654 Phloroglucinol 1.2878866666666666 0.783223 2.11007 Silicon starvation,12h 0.352433 0.352433 0.352433