condition mean min max 12pM Fe,Midday 32.8354 32.8354 32.8354 12pM Fe,Midnight 28.6944 28.2687 29.1201 58pM Fe,Midday 24.2652 24.2652 24.2652 58pM Fe,Midnight 23.370842857142858 0.0 32.8149 233pM Fe,Midnight 20.23603333333333 19.2362 21.2477 1160pM Fe,Midday 18.082014285714287 16.5498 19.4139 1160pM Fe,Midnight 13.5633625 6.65665 20.4032 High carbon,Dark 13.921338 3.01223 31.426 High carbon,Light 11.92664923076923 0.42485 24.9243 Low carbon,Dark 11.9221 11.9221 11.9221 Phloroglucinol 22.307399999999998 18.9928 26.7139 Silicon starvation,12h 28.0577 28.0577 28.0577