condition mean min max 12pM Fe,Midday 34.0521 34.0521 34.0521 12pM Fe,Midnight 27.1222 25.6321 28.6123 58pM Fe,Midday 25.2525 25.2525 25.2525 58pM Fe,Midnight 19.88032857142857 0.0 29.7576 233pM Fe,Midnight 18.9318 17.8922 19.9183 1160pM Fe,Midday 18.966257142857142 17.0927 21.3581 1160pM Fe,Midnight 13.213565000000001 7.05362 20.0964 High carbon,Dark 17.470938666666665 5.65403 28.7362 High carbon,Light 24.321283076923077 1.14554 41.1106 Low carbon,Dark 25.2952 25.2952 25.2952 Phloroglucinol 18.772466666666666 16.0542 20.9902 Silicon starvation,12h 53.8797 53.8797 53.8797