condition mean min max 12pM Fe,Midday 39.8423 39.8423 39.8423 12pM Fe,Midnight 29.8901 28.4862 31.294 58pM Fe,Midday 24.7882 24.7882 24.7882 58pM Fe,Midnight 22.610542857142857 0.0 34.278 233pM Fe,Midnight 30.991533333333333 27.9865 33.7296 1160pM Fe,Midday 27.76462857142857 21.1036 35.2478 1160pM Fe,Midnight 22.761491666666668 13.6337 36.9814 High carbon,Dark 37.343046666666666 12.8268 58.7682 High carbon,Light 34.20976846153846 1.74657 61.5116 Low carbon,Dark 29.3363 29.3363 29.3363 Phloroglucinol 16.105943333333332 8.97223 27.1446 Silicon starvation,12h 41.4418 41.4418 41.4418