condition mean min max 12pM Fe,Midday 85.2049 85.2049 85.2049 12pM Fe,Midnight 74.4449 61.6663 87.2235 58pM Fe,Midday 85.5641 85.5641 85.5641 58pM Fe,Midnight 37.88827142857143 0.0 46.8086 233pM Fe,Midnight 27.406166666666667 25.993 28.6146 1160pM Fe,Midday 37.118 33.2203 43.8418 1160pM Fe,Midnight 31.382683333333333 21.4025 40.4689 High carbon,Dark 24.7847196 0.289174 86.7651 High carbon,Light 19.232875384615383 1.06338 50.6651 Low carbon,Dark 44.4716 44.4716 44.4716 Phloroglucinol 11.35775 6.28809 19.0186 Silicon starvation,12h 4.77523 4.77523 4.77523