condition mean min max 12pM Fe,Midday 445.397 445.397 445.397 12pM Fe,Midnight 403.461 359.716 447.206 58pM Fe,Midday 419.264 419.264 419.264 58pM Fe,Midnight 267.4345714285714 0.0 351.566 233pM Fe,Midnight 306.20533333333333 296.661 318.018 1160pM Fe,Midday 233.47628571428572 156.707 287.577 1160pM Fe,Midnight 223.95091666666667 157.145 354.41 High carbon,Dark 320.45306666666664 120.158 467.844 High carbon,Light 284.479 122.633 433.896 Low carbon,Dark 508.168 508.168 508.168 Phloroglucinol 126.405 97.981 161.409 Silicon starvation,12h 210.282 210.282 210.282