condition mean min max 12pM Fe,Midday 40.1065 40.1065 40.1065 12pM Fe,Midnight 35.3961 28.733 42.0592 58pM Fe,Midday 30.7564 30.7564 30.7564 58pM Fe,Midnight 65.6473 15.8433 316.83 233pM Fe,Midnight 13.19745 9.99085 15.2368 1160pM Fe,Midday 16.54912857142857 8.9013 22.5755 1160pM Fe,Midnight 10.4884225 6.24602 15.8175 High carbon,Dark 19.956237333333334 1.88127 48.9161 High carbon,Light 16.151232307692307 1.04939 42.621 Low carbon,Dark 24.6204 24.6204 24.6204 Phloroglucinol 7.443116666666667 3.94429 13.3587 Silicon starvation,12h 8.11355 8.11355 8.11355