condition mean min max 12pM Fe,Midday 78.561 78.561 78.561 12pM Fe,Midnight 80.79079999999999 74.7872 86.7944 58pM Fe,Midday 61.4935 61.4935 61.4935 58pM Fe,Midnight 51.79922857142857 0.0 65.7961 233pM Fe,Midnight 57.47036666666667 53.5696 63.5182 1160pM Fe,Midday 59.36721428571428 53.8554 63.6801 1160pM Fe,Midnight 30.574341666666665 19.5399 36.503 High carbon,Dark 63.10467333333333 39.5434 82.8052 High carbon,Light 66.74730846153847 7.82691 100.032 Low carbon,Dark 72.6673 72.6673 72.6673 Phloroglucinol 87.47476666666667 82.907 94.2912 Silicon starvation,12h 134.096 134.096 134.096