condition mean min max 12pM Fe,Midday 83.7444 83.7444 83.7444 12pM Fe,Midnight 43.2181 38.7071 47.7291 58pM Fe,Midday 78.2177 78.2177 78.2177 58pM Fe,Midnight 32.346314285714286 0.0 50.6379 233pM Fe,Midnight 15.523033333333334 11.5897 17.6751 1160pM Fe,Midday 38.67856714285714 7.85647 71.486 1160pM Fe,Midnight 36.257508333333334 19.5158 61.2643 High carbon,Dark 45.50034 0.0 117.645 High carbon,Light 43.7693 13.0529 68.433 Low carbon,Dark 22.6803 22.6803 22.6803 Phloroglucinol 107.95676666666667 75.7993 136.298 Silicon starvation,12h 55.5893 55.5893 55.5893