condition mean min max 12pM Fe,Midday 44.0408 44.0408 44.0408 12pM Fe,Midnight 29.3163 28.6666 29.966 58pM Fe,Midday 30.8391 30.8391 30.8391 58pM Fe,Midnight 17.7485 0.0 25.3626 233pM Fe,Midnight 9.305946666666667 8.4847 10.606 1160pM Fe,Midday 14.173471428571428 12.5935 15.9471 1160pM Fe,Midnight 3.406979166666667 1.06325 7.81009 High carbon,Dark 14.429184 2.51086 27.1278 High carbon,Light 8.467634615384615 3.16769 14.5204 Low carbon,Dark 7.45761 7.45761 7.45761 Phloroglucinol 9.389686666666666 5.95621 13.5994 Silicon starvation,12h 32.0541 32.0541 32.0541