condition mean min max 12pM Fe,Midday 38.5087 38.5087 38.5087 12pM Fe,Midnight 32.07005 31.5433 32.5968 58pM Fe,Midday 24.8293 24.8293 24.8293 58pM Fe,Midnight 23.197214285714285 0.0 28.9744 233pM Fe,Midnight 27.180333333333333 25.517 30.117 1160pM Fe,Midday 22.77642857142857 19.2736 24.1882 1160pM Fe,Midnight 25.553741666666667 18.6311 32.6394 High carbon,Dark 38.825046666666665 15.1159 132.477 High carbon,Light 32.85569384615385 7.38112 51.7148 Low carbon,Dark 46.5676 46.5676 46.5676 Phloroglucinol 42.591699999999996 34.2317 54.0991 Silicon starvation,12h 79.6582 79.6582 79.6582