condition mean min max 12pM Fe,Midday 28.2248 28.2248 28.2248 12pM Fe,Midnight 31.990199999999998 30.5507 33.4297 58pM Fe,Midday 23.1543 23.1543 23.1543 58pM Fe,Midnight 33.22827142857143 23.1969 58.5046 233pM Fe,Midnight 29.400566666666666 28.7697 30.324 1160pM Fe,Midday 20.44882857142857 18.7782 22.4479 1160pM Fe,Midnight 22.87635 20.1582 25.2717 High carbon,Dark 36.0046 19.5065 60.2719 High carbon,Light 31.86891923076923 1.15433 57.1564 Low carbon,Dark 24.6036 24.6036 24.6036 Phloroglucinol 62.6057 57.4867 66.3626 Silicon starvation,12h 29.7303 29.7303 29.7303