condition mean min max 12pM Fe,Midday 33.7144 33.7144 33.7144 12pM Fe,Midnight 40.248599999999996 39.4817 41.0155 58pM Fe,Midday 34.0536 34.0536 34.0536 58pM Fe,Midnight 23.607342857142857 0.0 32.2135 233pM Fe,Midnight 19.172966666666667 16.5618 21.3473 1160pM Fe,Midday 23.422228571428573 20.1012 24.3072 1160pM Fe,Midnight 11.187053333333333 5.02941 15.3204 High carbon,Dark 14.767233333333333 2.60065 27.5748 High carbon,Light 9.265197692307693 1.29252 20.3912 Low carbon,Dark 6.20204 6.20204 6.20204 Phloroglucinol 32.013666666666666 27.3048 41.3887 Silicon starvation,12h 5.24803 5.24803 5.24803