condition mean min max 12pM Fe,Midday 26.753 26.753 26.753 12pM Fe,Midnight 24.6581 23.3911 25.9251 58pM Fe,Midday 22.8653 22.8653 22.8653 58pM Fe,Midnight 16.80107142857143 0.0 22.8454 233pM Fe,Midnight 16.164033333333332 15.4534 17.3244 1160pM Fe,Midday 18.091714285714286 16.2948 20.0861 1160pM Fe,Midnight 14.347758333333333 9.1223 21.8387 High carbon,Dark 15.339978 4.33654 25.1165 High carbon,Light 13.745333846153846 1.70586 20.7612 Low carbon,Dark 10.3742 10.3742 10.3742 Phloroglucinol 5.900406666666667 4.61285 6.66755 Silicon starvation,12h 25.427 25.427 25.427