condition mean min max 12pM Fe,Midday 27.6148 27.6148 27.6148 12pM Fe,Midnight 30.146900000000002 28.6048 31.689 58pM Fe,Midday 18.3503 18.3503 18.3503 58pM Fe,Midnight 26.439785714285716 0.0 34.218 233pM Fe,Midnight 19.240166666666667 18.2453 20.8683 1160pM Fe,Midday 18.268985714285716 15.5427 19.8481 1160pM Fe,Midnight 13.803573333333333 6.89513 26.8387 High carbon,Dark 28.50852 13.0301 56.6768 High carbon,Light 24.565894615384614 3.67473 59.6217 Low carbon,Dark 13.8344 13.8344 13.8344 Phloroglucinol 16.8093 14.9787 17.9216 Silicon starvation,12h 19.7486 19.7486 19.7486