condition mean min max 12pM Fe,Midday 15.2179 15.2179 15.2179 12pM Fe,Midnight 10.486395 9.36709 11.6057 58pM Fe,Midday 18.2532 18.2532 18.2532 58pM Fe,Midnight 8.971537142857143 0.0 11.512 233pM Fe,Midnight 9.215353333333333 8.03594 9.9925 1160pM Fe,Midday 11.653771428571428 10.4788 13.3248 1160pM Fe,Midnight 7.6483075 6.02482 10.3709 High carbon,Dark 7.650610666666667 1.96827 14.8545 High carbon,Light 6.366193076923077 1.5927 14.8243 Low carbon,Dark 8.60917 8.60917 8.60917 Phloroglucinol 6.514106666666667 5.08582 8.75515 Silicon starvation,12h 21.55 21.55 21.55