condition mean min max 12pM Fe,Midday 48.6777 48.6777 48.6777 12pM Fe,Midnight 33.9375 33.9173 33.9577 58pM Fe,Midday 24.5512 24.5512 24.5512 58pM Fe,Midnight 18.466142857142856 0.0 23.4879 233pM Fe,Midnight 20.891933333333334 19.4177 23.3425 1160pM Fe,Midday 25.765885714285712 21.7336 28.847 1160pM Fe,Midnight 12.497799166666667 8.45635 16.9431 High carbon,Dark 21.6074 13.797 34.1971 High carbon,Light 19.24410230769231 6.25714 37.391 Low carbon,Dark 15.0289 15.0289 15.0289 Phloroglucinol 18.210533333333334 13.1162 25.2047 Silicon starvation,12h 52.6225 52.6225 52.6225