condition mean min max 12pM Fe,Midday 24.9682 24.9682 24.9682 12pM Fe,Midnight 23.545050000000003 23.3317 23.7584 58pM Fe,Midday 19.0284 19.0284 19.0284 58pM Fe,Midnight 14.604985714285714 0.0 18.8227 233pM Fe,Midnight 16.984033333333333 16.0712 17.4965 1160pM Fe,Midday 13.919214285714286 11.2467 16.8242 1160pM Fe,Midnight 10.519149166666667 8.20478 15.2749 High carbon,Dark 12.564737333333333 6.28824 20.7683 High carbon,Light 8.63774923076923 1.01522 28.7378 Low carbon,Dark 9.32409 9.32409 9.32409 Phloroglucinol 29.887633333333333 22.2564 35.8883 Silicon starvation,12h 15.7944 15.7944 15.7944