condition mean min max 12pM Fe,Midday 40.3227 40.3227 40.3227 12pM Fe,Midnight 16.62055 14.7692 18.4719 58pM Fe,Midday 37.9234 37.9234 37.9234 58pM Fe,Midnight 5.96126 0.0 7.91957 233pM Fe,Midnight 10.83768 9.90404 11.5293 1160pM Fe,Midday 31.955057142857143 26.524 36.028 1160pM Fe,Midnight 18.55354416666667 3.38058 31.1945 High carbon,Dark 108.980254 8.14719 1086.45 High carbon,Light 36.071342307692305 5.97196 131.178 Low carbon,Dark 8.24188 8.24188 8.24188 Phloroglucinol 75.4544 58.9177 102.132 Silicon starvation,12h 31.5999 31.5999 31.5999