condition mean min max 12pM Fe,Midday 67.6631 67.6631 67.6631 12pM Fe,Midnight 36.671899999999994 36.1067 37.2371 58pM Fe,Midday 50.7947 50.7947 50.7947 58pM Fe,Midnight 27.19552857142857 0.0 38.6986 233pM Fe,Midnight 17.14613333333333 14.1281 19.1989 1160pM Fe,Midday 37.47992857142857 31.3715 42.2776 1160pM Fe,Midnight 14.9021 13.0021 17.6358 High carbon,Dark 28.620452 3.12658 48.08 High carbon,Light 18.354587692307692 7.20035 29.5329 Low carbon,Dark 34.9404 34.9404 34.9404 Phloroglucinol 36.2094 26.2078 43.8828 Silicon starvation,12h 36.8146 36.8146 36.8146