condition mean min max 12pM Fe,Midday 30.9712 30.9712 30.9712 12pM Fe,Midnight 32.4261 30.7037 34.1485 58pM Fe,Midday 25.868 25.868 25.868 58pM Fe,Midnight 23.629514285714286 0.0 36.6335 233pM Fe,Midnight 20.752166666666668 17.584 24.6957 1160pM Fe,Midday 21.1248 17.5983 24.5997 1160pM Fe,Midnight 9.48181 4.93255 17.1946 High carbon,Dark 25.37338666666667 10.0927 41.5462 High carbon,Light 17.868315384615386 11.5874 29.4779 Low carbon,Dark 20.6952 20.6952 20.6952 Phloroglucinol 16.9839 11.8947 21.1007 Silicon starvation,12h 41.9955 41.9955 41.9955