condition mean min max 12pM Fe,Midday 48.6638 48.6638 48.6638 12pM Fe,Midnight 43.44815 40.4465 46.4498 58pM Fe,Midday 51.8774 51.8774 51.8774 58pM Fe,Midnight 27.011657142857143 23.0737 34.3923 233pM Fe,Midnight 14.6519 13.6606 15.4131 1160pM Fe,Midday 24.04087142857143 19.4265 28.957 1160pM Fe,Midnight 20.7822 14.4012 27.1982 High carbon,Dark 17.405347866666666 0.153338 40.1597 High carbon,Light 10.246377923076922 0.140967 28.6911 Low carbon,Dark 19.0225 19.0225 19.0225 Phloroglucinol 8.714833333333333 5.1379 15.4898 Silicon starvation,12h 0.825691 0.825691 0.825691