condition mean min max 12pM Fe,Midday 9.75381 9.75381 9.75381 12pM Fe,Midnight 14.13045 13.6868 14.5741 58pM Fe,Midday 9.92026 9.92026 9.92026 58pM Fe,Midnight 9.46665 0.0 12.2896 233pM Fe,Midnight 3.1533866666666666 3.00228 3.40542 1160pM Fe,Midday 5.790812857142857 4.30658 7.3545 1160pM Fe,Midnight 7.6178075 4.83494 9.91526 High carbon,Dark 7.99817 2.03321 23.7723 High carbon,Light 4.132085461538462 0.314541 8.95278 Low carbon,Dark 0.728716 0.728716 0.728716 Phloroglucinol 16.1353 13.8252 17.72 Silicon starvation,12h 5.6134 5.6134 5.6134