condition mean min max 12pM Fe,Midday 7.16574 7.16574 7.16574 12pM Fe,Midnight 0.9973455 0.848221 1.14647 58pM Fe,Midday 4.14576 4.14576 4.14576 58pM Fe,Midnight 1.3003052857142858 0.0 2.14265 233pM Fe,Midnight 0.6887956666666667 0.343277 1.02508 1160pM Fe,Midday 2.7348742857142856 1.36725 4.23472 1160pM Fe,Midnight 0.4950121666666667 0.0 1.2809 High carbon,Dark 5.806506 1.31045 13.776 High carbon,Light 2.5992976923076925 0.0 5.61359 Low carbon,Dark 4.47849 4.47849 4.47849 Phloroglucinol 17.1291 8.8864 32.4842 Silicon starvation,12h 5.64519 5.64519 5.64519