condition mean min max 12pM Fe,Midday 32.6679 32.6679 32.6679 12pM Fe,Midnight 23.01585 21.987 24.0447 58pM Fe,Midday 16.2058 16.2058 16.2058 58pM Fe,Midnight 12.460242857142857 0.0 16.0563 233pM Fe,Midnight 10.137123333333333 9.99277 10.2329 1160pM Fe,Midday 16.009985714285715 14.1321 17.7129 1160pM Fe,Midnight 6.312080833333333 5.03069 7.51908 High carbon,Dark 15.965870666666667 5.69284 27.659 High carbon,Light 13.180922307692308 1.84748 34.6814 Low carbon,Dark 10.2369 10.2369 10.2369 Phloroglucinol 22.830833333333334 18.1508 26.8142 Silicon starvation,12h 46.0795 46.0795 46.0795