condition mean min max 12pM Fe,Midday 73.9217 73.9217 73.9217 12pM Fe,Midnight 52.0082 44.6669 59.3495 58pM Fe,Midday 68.2533 68.2533 68.2533 58pM Fe,Midnight 37.89317142857143 0.0 50.8463 233pM Fe,Midnight 48.7851 42.2014 55.4982 1160pM Fe,Midday 63.79608571428572 56.5934 71.1571 1160pM Fe,Midnight 37.17044166666667 19.7736 49.143 High carbon,Dark 55.53508 33.3038 76.5385 High carbon,Light 57.10799230769231 36.4663 75.3538 Low carbon,Dark 74.5409 74.5409 74.5409 Phloroglucinol 63.6424 51.1592 70.1945 Silicon starvation,12h 133.825 133.825 133.825