condition mean min max 12pM Fe,Midday 61.1713 61.1713 61.1713 12pM Fe,Midnight 47.900949999999995 45.4398 50.3621 58pM Fe,Midday 46.6221 46.6221 46.6221 58pM Fe,Midnight 31.43332857142857 0.0 40.4251 233pM Fe,Midnight 34.370000000000005 30.758 38.3357 1160pM Fe,Midday 35.77838571428571 33.4506 39.6047 1160pM Fe,Midnight 24.609725 15.6103 36.0578 High carbon,Dark 25.851102666666666 7.72319 54.4511 High carbon,Light 15.962261538461538 1.80274 36.3264 Low carbon,Dark 26.7297 26.7297 26.7297 Phloroglucinol 49.1677 37.4734 57.7668 Silicon starvation,12h 35.097 35.097 35.097