condition mean min max 12pM Fe,Midday 34.7316 34.7316 34.7316 12pM Fe,Midnight 22.34085 21.8553 22.8264 58pM Fe,Midday 28.79 28.79 28.79 58pM Fe,Midnight 15.780085714285715 0.0 20.7782 233pM Fe,Midnight 16.6269 16.2687 17.0479 1160pM Fe,Midday 27.280471428571428 25.6879 28.7145 1160pM Fe,Midnight 5.432379166666666 3.35789 9.56176 High carbon,Dark 13.094696 2.86492 25.5108 High carbon,Light 12.701473076923078 1.29085 25.4693 Low carbon,Dark 12.5883 12.5883 12.5883 Phloroglucinol 9.668476666666667 8.17151 11.5096 Silicon starvation,12h 20.9366 20.9366 20.9366