condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.161489 0.0 0.322978 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.03711557142857143 0.0 0.259809 233pM Fe,Midnight 0.06505333333333334 0.0 0.19516 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.06271375 0.0 0.266066 High carbon,Dark 0.10971213333333334 0.0 0.606938 High carbon,Light 0.07488761538461539 0.0 0.514814 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.0 0.0 0.0