condition mean min max 12pM Fe,Midday 143.763 143.763 143.763 12pM Fe,Midnight 83.9371 79.7517 88.1225 58pM Fe,Midday 104.097 104.097 104.097 58pM Fe,Midnight 60.14951428571429 0.0 95.6463 233pM Fe,Midnight 47.25306666666666 42.3394 51.7827 1160pM Fe,Midday 55.36134285714286 46.9281 67.8462 1160pM Fe,Midnight 112.48946666666667 76.825 163.196 High carbon,Dark 115.09186 28.5146 224.964 High carbon,Light 125.90510153846154 8.60322 279.602 Low carbon,Dark 46.2584 46.2584 46.2584 Phloroglucinol 64.00896666666667 37.1465 100.523 Silicon starvation,12h 73.8159 73.8159 73.8159