condition mean min max 12pM Fe,Midday 3.7379 3.7379 3.7379 12pM Fe,Midnight 6.344895 6.0259 6.66389 58pM Fe,Midday 4.25246 4.25246 4.25246 58pM Fe,Midnight 10.81326 0.0 16.2248 233pM Fe,Midnight 41.730333333333334 41.2492 42.2338 1160pM Fe,Midday 0.5503858571428571 0.0 1.35258 1160pM Fe,Midnight 64.911475 45.6943 99.2587 High carbon,Dark 80.23437333333334 13.5257 189.578 High carbon,Light 63.810246923076924 0.74907 123.388 Low carbon,Dark 43.3853 43.3853 43.3853 Phloroglucinol 9.24601 5.73914 14.7228 Silicon starvation,12h 78.6897 78.6897 78.6897