condition mean min max 12pM Fe,Midday 98.7873 98.7873 98.7873 12pM Fe,Midnight 56.0197 50.3985 61.6409 58pM Fe,Midday 168.208 168.208 168.208 58pM Fe,Midnight 103.15364285714286 81.0932 189.825 233pM Fe,Midnight 243.482 233.45 253.558 1160pM Fe,Midday 25.7485 12.8037 42.2161 1160pM Fe,Midnight 299.268 156.435 432.936 High carbon,Dark 563.07698 80.8887 1151.49 High carbon,Light 521.8969430769231 5.24349 1363.71 Low carbon,Dark 120.611 120.611 120.611 Phloroglucinol 127.0649 41.1867 172.658 Silicon starvation,12h 260.982 260.982 260.982