condition mean min max 12pM Fe,Midday 33.3645 33.3645 33.3645 12pM Fe,Midnight 23.1259 20.0313 26.2205 58pM Fe,Midday 27.3418 27.3418 27.3418 58pM Fe,Midnight 11.071985714285715 0.0 17.0947 233pM Fe,Midnight 9.083076666666667 8.40227 9.68084 1160pM Fe,Midday 18.069357142857143 14.1129 20.1677 1160pM Fe,Midnight 4.233028333333333 1.92414 5.69792 High carbon,Dark 12.693713333333333 6.51019 22.8235 High carbon,Light 10.78590076923077 2.67847 25.1358 Low carbon,Dark 12.6299 12.6299 12.6299 Phloroglucinol 10.575963333333334 8.55289 12.5843 Silicon starvation,12h 26.3178 26.3178 26.3178