condition mean min max 12pM Fe,Midday 31.4572 31.4572 31.4572 12pM Fe,Midnight 42.549 39.8862 45.2118 58pM Fe,Midday 51.6038 51.6038 51.6038 58pM Fe,Midnight 47.6474 0.0 59.9615 233pM Fe,Midnight 105.99466666666666 103.198 110.72 1160pM Fe,Midday 21.153357142857143 16.0731 26.6831 1160pM Fe,Midnight 152.21558333333334 120.2 192.652 High carbon,Dark 174.68796 65.1805 372.235 High carbon,Light 146.73036846153846 3.96654 327.52 Low carbon,Dark 95.9156 95.9156 95.9156 Phloroglucinol 56.393633333333334 30.3904 73.5319 Silicon starvation,12h 99.1436 99.1436 99.1436