condition mean min max 12pM Fe,Midday 571.186 571.186 571.186 12pM Fe,Midnight 817.363 787.343 847.383 58pM Fe,Midday 530.344 530.344 530.344 58pM Fe,Midnight 909.1761428571428 671.007 1524.23 233pM Fe,Midnight 280.2436666666666 267.03 293.133 1160pM Fe,Midday 391.1292857142857 376.918 403.171 1160pM Fe,Midnight 394.079 301.0 490.53 High carbon,Dark 170.6728 27.1831 402.749 High carbon,Light 131.71017692307692 38.5415 199.818 Low carbon,Dark 224.947 224.947 224.947 Phloroglucinol 206.26766666666668 177.905 260.824 Silicon starvation,12h 39.0333 39.0333 39.0333