condition mean min max 12pM Fe,Midday 39.7138 39.7138 39.7138 12pM Fe,Midnight 25.8542 23.0307 28.6777 58pM Fe,Midday 21.7413 21.7413 21.7413 58pM Fe,Midnight 19.75837142857143 18.429 21.8139 233pM Fe,Midnight 16.319566666666667 14.9716 17.4594 1160pM Fe,Midday 21.141257142857143 19.8503 23.9516 1160pM Fe,Midnight 24.39905 21.5883 27.5118 High carbon,Dark 24.214713333333332 11.5387 42.2872 High carbon,Light 26.39035923076923 1.99539 47.3798 Low carbon,Dark 8.32998 8.32998 8.32998 Phloroglucinol 46.884033333333335 36.3686 53.4718 Silicon starvation,12h 20.5174 20.5174 20.5174