condition mean min max 12pM Fe,Midday 38.3464 38.3464 38.3464 12pM Fe,Midnight 48.3327 47.9984 48.667 58pM Fe,Midday 48.5349 48.5349 48.5349 58pM Fe,Midnight 36.08492857142857 0.0 50.8115 233pM Fe,Midnight 38.8232 37.9757 39.8835 1160pM Fe,Midday 37.6827 34.3193 41.7231 1160pM Fe,Midnight 18.942058333333332 12.1502 29.2806 High carbon,Dark 58.96271333333333 25.9857 178.782 High carbon,Light 67.67751538461538 13.0321 183.361 Low carbon,Dark 28.265 28.265 28.265 Phloroglucinol 30.009266666666665 25.3681 37.1008 Silicon starvation,12h 21.5368 21.5368 21.5368