condition mean min max 12pM Fe,Midday 44.0776 44.0776 44.0776 12pM Fe,Midnight 18.6724 11.6472 25.6976 58pM Fe,Midday 37.82 37.82 37.82 58pM Fe,Midnight 8.956768571428572 0.0 12.4006 233pM Fe,Midnight 12.815900000000001 10.8137 14.8002 1160pM Fe,Midday 23.974957142857143 18.7741 29.8857 1160pM Fe,Midnight 5.628328333333333 2.25761 12.9605 High carbon,Dark 13.678102666666668 4.36853 23.4124 High carbon,Light 10.600849230769231 0.0 18.4887 Low carbon,Dark 5.42609 5.42609 5.42609 Phloroglucinol 19.0512 17.158 21.84 Silicon starvation,12h 28.1186 28.1186 28.1186