condition mean min max 12pM Fe,Midday 35.913 35.913 35.913 12pM Fe,Midnight 25.4396 24.8726 26.0066 58pM Fe,Midday 29.8414 29.8414 29.8414 58pM Fe,Midnight 24.495742857142858 15.2828 53.6411 233pM Fe,Midnight 11.747166666666667 11.4118 11.9345 1160pM Fe,Midday 15.856557142857143 12.8678 18.5582 1160pM Fe,Midnight 12.411486666666667 9.35351 15.632 High carbon,Dark 14.4166022 0.239158 39.3758 High carbon,Light 9.537230615384615 0.109932 34.8772 Low carbon,Dark 16.0605 16.0605 16.0605 Phloroglucinol 0.8744666666666667 0.52005 1.38786 Silicon starvation,12h 0.171709 0.171709 0.171709