condition mean min max 12pM Fe,Midday 18.7989 18.7989 18.7989 12pM Fe,Midnight 28.3315 25.8061 30.8569 58pM Fe,Midday 13.9727 13.9727 13.9727 58pM Fe,Midnight 18.548771428571428 0.0 25.3863 233pM Fe,Midnight 17.170266666666667 13.984 19.4342 1160pM Fe,Midday 13.868 10.3482 17.1423 1160pM Fe,Midnight 7.808624166666666 4.73136 12.1607 High carbon,Dark 11.607900733333333 0.614843 21.7448 High carbon,Light 7.958336153846154 0.0 22.7354 Low carbon,Dark 12.219 12.219 12.219 Phloroglucinol 11.35934 7.53912 14.4997 Silicon starvation,12h 16.4718 16.4718 16.4718