condition mean min max 12pM Fe,Midday 33.4249 33.4249 33.4249 12pM Fe,Midnight 26.14755 24.27 28.0251 58pM Fe,Midday 34.3524 34.3524 34.3524 58pM Fe,Midnight 19.823457142857144 0.0 24.1629 233pM Fe,Midnight 17.738 17.4881 18.0835 1160pM Fe,Midday 21.316542857142856 19.3362 22.9009 1160pM Fe,Midnight 26.712375 15.5486 35.9388 High carbon,Dark 19.508650666666668 8.03718 30.1691 High carbon,Light 21.999470153846154 0.0 48.4077 Low carbon,Dark 9.56921 9.56921 9.56921 Phloroglucinol 16.020266666666664 11.1347 20.3205 Silicon starvation,12h 16.815 16.815 16.815