condition mean min max 12pM Fe,Midday 136.044 136.044 136.044 12pM Fe,Midnight 21.3985 19.7056 23.0914 58pM Fe,Midday 138.778 138.778 138.778 58pM Fe,Midnight 22.891057142857143 14.7962 62.6448 233pM Fe,Midnight 21.5307 20.5371 22.874 1160pM Fe,Midday 127.20071428571428 117.736 135.102 1160pM Fe,Midnight 9.769994166666667 7.06229 14.1787 High carbon,Dark 32.680754 6.69551 50.448 High carbon,Light 57.9348 21.2595 108.29 Low carbon,Dark 27.2038 27.2038 27.2038 Phloroglucinol 29.958866666666665 22.3937 38.4282 Silicon starvation,12h 75.7003 75.7003 75.7003