condition mean min max 12pM Fe,Midday 14.8487 14.8487 14.8487 12pM Fe,Midnight 22.399749999999997 21.8005 22.999 58pM Fe,Midday 9.27445 9.27445 9.27445 58pM Fe,Midnight 16.509457142857144 0.0 20.9034 233pM Fe,Midnight 20.576933333333333 19.6727 21.569 1160pM Fe,Midday 4.711715714285715 3.45269 5.72391 1160pM Fe,Midnight 9.6398175 5.14961 17.9421 High carbon,Dark 14.693188 7.11724 24.7867 High carbon,Light 7.970583846153846 0.0 15.7026 Low carbon,Dark 8.98907 8.98907 8.98907 Phloroglucinol 10.53184 8.20992 12.8935 Silicon starvation,12h 20.707 20.707 20.707