condition mean min max 12pM Fe,Midday 382.831 382.831 382.831 12pM Fe,Midnight 311.207 307.073 315.341 58pM Fe,Midday 346.165 346.165 346.165 58pM Fe,Midnight 310.43271428571427 268.849 333.321 233pM Fe,Midnight 325.64233333333334 307.867 341.091 1160pM Fe,Midday 313.51 287.06 349.347 1160pM Fe,Midnight 237.04941666666667 212.676 266.747 High carbon,Dark 404.75733333333335 258.354 506.918 High carbon,Light 470.66076923076923 362.374 652.324 Low carbon,Dark 599.383 599.383 599.383 Phloroglucinol 496.25333333333333 487.956 506.445 Silicon starvation,12h 219.409 219.409 219.409