condition mean min max 12pM Fe,Midday 51.8366 51.8366 51.8366 12pM Fe,Midnight 39.8024 37.5665 42.0383 58pM Fe,Midday 27.7729 27.7729 27.7729 58pM Fe,Midnight 25.73522857142857 0.0 34.21 233pM Fe,Midnight 13.2961 10.9076 15.357 1160pM Fe,Midday 17.908628571428572 14.0537 21.9318 1160pM Fe,Midnight 16.791419166666667 9.17603 24.3373 High carbon,Dark 32.499867333333334 6.02991 52.7057 High carbon,Light 21.30257076923077 5.03948 41.6938 Low carbon,Dark 25.5016 25.5016 25.5016 Phloroglucinol 5.90067 4.50992 8.42407 Silicon starvation,12h 15.9643 15.9643 15.9643