condition mean min max 12pM Fe,Midday 50.1849 50.1849 50.1849 12pM Fe,Midnight 20.97645 18.9854 22.9675 58pM Fe,Midday 35.897 35.897 35.897 58pM Fe,Midnight 19.95017142857143 10.9421 53.4134 233pM Fe,Midnight 8.379706666666667 7.15839 9.08566 1160pM Fe,Midday 43.861085714285714 41.1691 47.9548 1160pM Fe,Midnight 4.1588725 3.10707 6.02158 High carbon,Dark 9.462394666666667 4.42284 20.2867 High carbon,Light 6.810480769230769 1.42473 14.1991 Low carbon,Dark 10.4988 10.4988 10.4988 Phloroglucinol 16.1909 12.6937 22.0385 Silicon starvation,12h 8.29253 8.29253 8.29253