condition mean min max 12pM Fe,Midday 35.8761 35.8761 35.8761 12pM Fe,Midnight 45.00405 43.1394 46.8687 58pM Fe,Midday 48.3613 48.3613 48.3613 58pM Fe,Midnight 65.94018571428572 48.0218 99.6365 233pM Fe,Midnight 33.45946666666667 30.7021 38.5758 1160pM Fe,Midday 36.34012857142857 31.2227 40.2549 1160pM Fe,Midnight 52.85565 23.7718 76.6381 High carbon,Dark 72.32902666666666 19.0865 114.167 High carbon,Light 68.46201538461538 16.8306 115.605 Low carbon,Dark 85.6242 85.6242 85.6242 Phloroglucinol 29.278366666666667 19.0956 41.2735 Silicon starvation,12h 51.9878 51.9878 51.9878