condition mean min max 12pM Fe,Midday 11.223 11.223 11.223 12pM Fe,Midnight 10.6583 10.2736 11.043 58pM Fe,Midday 7.48617 7.48617 7.48617 58pM Fe,Midnight 6.615202857142857 0.0 8.33551 233pM Fe,Midnight 7.053346666666667 6.82805 7.17116 1160pM Fe,Midday 5.905838571428571 5.10697 6.9238 1160pM Fe,Midnight 4.2266216666666665 3.40405 5.20548 High carbon,Dark 6.48776 1.36829 9.97944 High carbon,Light 5.643863076923077 2.23626 11.5727 Low carbon,Dark 7.1545 7.1545 7.1545 Phloroglucinol 7.732736666666667 6.59985 9.17548 Silicon starvation,12h 52.0176 52.0176 52.0176