condition mean min max 12pM Fe,Midday 81.9712 81.9712 81.9712 12pM Fe,Midnight 71.17845 68.9012 73.4557 58pM Fe,Midday 87.6951 87.6951 87.6951 58pM Fe,Midnight 48.70432857142857 38.8012 58.064 233pM Fe,Midnight 23.040433333333333 22.4611 23.6553 1160pM Fe,Midday 43.4197 37.5092 48.5525 1160pM Fe,Midnight 23.986183333333333 15.0493 33.8914 High carbon,Dark 20.320619266666668 0.691979 51.6862 High carbon,Light 13.289717461538462 0.178386 42.1922 Low carbon,Dark 23.9441 23.9441 23.9441 Phloroglucinol 11.377816666666666 7.66034 17.8473 Silicon starvation,12h 5.52714 5.52714 5.52714