condition mean min max 12pM Fe,Midday 61.3717 61.3717 61.3717 12pM Fe,Midnight 66.50185 61.978 71.0257 58pM Fe,Midday 93.7988 93.7988 93.7988 58pM Fe,Midnight 62.208842857142855 34.7409 180.304 233pM Fe,Midnight 32.3475 30.6554 34.272 1160pM Fe,Midday 49.09784285714286 45.2782 51.6305 1160pM Fe,Midnight 26.303675 17.5904 38.7115 High carbon,Dark 25.51749733333333 1.20583 72.5649 High carbon,Light 17.36160923076923 1.65788 54.574 Low carbon,Dark 35.4401 35.4401 35.4401 Phloroglucinol 13.04118 9.13894 19.1785 Silicon starvation,12h 29.7241 29.7241 29.7241