condition mean min max 12pM Fe,Midday 14.9891 14.9891 14.9891 12pM Fe,Midnight 18.323700000000002 17.8531 18.7943 58pM Fe,Midday 10.4291 10.4291 10.4291 58pM Fe,Midnight 16.626157142857142 10.1987 45.5422 233pM Fe,Midnight 14.548 14.0334 14.9303 1160pM Fe,Midday 8.268802857142857 6.8641 9.7451 1160pM Fe,Midnight 6.2741625 3.08991 10.7742 High carbon,Dark 17.223653333333335 11.934 30.8726 High carbon,Light 7.337791076923077 0.898574 13.9308 Low carbon,Dark 9.78436 9.78436 9.78436 Phloroglucinol 26.617833333333333 24.0033 29.8508 Silicon starvation,12h 19.0248 19.0248 19.0248