condition mean min max 12pM Fe,Midday 28.3748 28.3748 28.3748 12pM Fe,Midnight 33.2321 32.8838 33.5804 58pM Fe,Midday 18.5433 18.5433 18.5433 58pM Fe,Midnight 37.90007142857143 25.4522 98.8907 233pM Fe,Midnight 27.327666666666666 27.0839 27.5953 1160pM Fe,Midday 17.466314285714287 16.9903 18.3084 1160pM Fe,Midnight 8.84193 5.05658 14.3867 High carbon,Dark 18.826012666666667 7.63042 32.5121 High carbon,Light 9.492368461538462 2.47148 18.8461 Low carbon,Dark 18.2322 18.2322 18.2322 Phloroglucinol 22.2584 16.3277 25.6493 Silicon starvation,12h 27.0128 27.0128 27.0128