condition mean min max 12pM Fe,Midday 75.7844 75.7844 75.7844 12pM Fe,Midnight 48.6126 44.5701 52.6551 58pM Fe,Midday 51.0158 51.0158 51.0158 58pM Fe,Midnight 42.0659 36.8234 58.0611 233pM Fe,Midnight 28.598266666666667 27.9441 29.3702 1160pM Fe,Midday 42.99187142857143 40.1531 46.8596 1160pM Fe,Midnight 17.452725 11.921 26.4893 High carbon,Dark 33.85803333333333 15.7774 49.12 High carbon,Light 28.45845076923077 6.1948 64.0638 Low carbon,Dark 21.2322 21.2322 21.2322 Phloroglucinol 59.792033333333336 46.8798 76.0014 Silicon starvation,12h 38.1937 38.1937 38.1937