condition mean min max 12pM Fe,Midday 58.6985 58.6985 58.6985 12pM Fe,Midnight 40.54665 37.3986 43.6947 58pM Fe,Midday 53.5793 53.5793 53.5793 58pM Fe,Midnight 17.988614285714284 0.0 25.4949 233pM Fe,Midnight 26.40886666666667 23.4725 28.5596 1160pM Fe,Midday 23.450342857142857 16.5203 26.6065 1160pM Fe,Midnight 7.941441666666667 2.07346 16.4729 High carbon,Dark 16.237589333333332 6.52111 27.7573 High carbon,Light 12.008588461538462 0.0 30.7788 Low carbon,Dark 9.03627 9.03627 9.03627 Phloroglucinol 27.177466666666668 18.5846 38.7284 Silicon starvation,12h 26.7181 26.7181 26.7181