condition mean min max 12pM Fe,Midday 18.852 18.852 18.852 12pM Fe,Midnight 12.2286 10.6429 13.8143 58pM Fe,Midday 14.0598 14.0598 14.0598 58pM Fe,Midnight 9.93637 0.0 14.4862 233pM Fe,Midnight 12.167033333333332 10.5725 14.6913 1160pM Fe,Midday 14.1774 12.828 15.2485 1160pM Fe,Midnight 9.041044166666667 6.96862 12.3344 High carbon,Dark 14.367439333333333 4.23221 32.7093 High carbon,Light 11.88901 2.21969 27.7293 Low carbon,Dark 10.503 10.503 10.503 Phloroglucinol 15.192086666666667 9.70516 22.2016 Silicon starvation,12h 24.0573 24.0573 24.0573