condition mean min max 12pM Fe,Midday 68.806 68.806 68.806 12pM Fe,Midnight 46.9236 45.2036 48.6436 58pM Fe,Midday 53.9847 53.9847 53.9847 58pM Fe,Midnight 51.798942857142855 37.9452 120.491 233pM Fe,Midnight 35.538833333333336 34.829 36.6989 1160pM Fe,Midday 54.92548571428571 51.4426 62.3651 1160pM Fe,Midnight 25.200216666666666 18.9408 34.5942 High carbon,Dark 39.02196 13.0202 61.7788 High carbon,Light 47.665359230769226 2.79359 120.761 Low carbon,Dark 35.2495 35.2495 35.2495 Phloroglucinol 41.2164 29.5225 57.2691 Silicon starvation,12h 85.4323 85.4323 85.4323