condition mean min max 12pM Fe,Midday 31.77 31.77 31.77 12pM Fe,Midnight 63.16925 60.2033 66.1352 58pM Fe,Midday 31.1441 31.1441 31.1441 58pM Fe,Midnight 114.88565714285714 32.9266 140.966 233pM Fe,Midnight 83.23866666666666 81.4177 86.3879 1160pM Fe,Midday 44.209785714285715 38.0702 72.1898 1160pM Fe,Midnight 650.8140833333333 352.348 861.606 High carbon,Dark 136.8512 26.3054 344.139 High carbon,Light 88.5519923076923 19.6197 227.539 Low carbon,Dark 17.7603 17.7603 17.7603 Phloroglucinol 21.953043333333333 6.90993 37.3581 Silicon starvation,12h 79.103 79.103 79.103