condition mean min max 12pM Fe,Midday 7.91372 7.91372 7.91372 12pM Fe,Midnight 50.7507 47.1595 54.3419 58pM Fe,Midday 32.5407 32.5407 32.5407 58pM Fe,Midnight 43.95022857142857 26.0847 66.9399 233pM Fe,Midnight 53.8134 52.6134 54.72 1160pM Fe,Midday 8.146788571428571 6.54317 13.571 1160pM Fe,Midnight 42.700775 31.6127 64.3773 High carbon,Dark 60.87054 26.9701 297.152 High carbon,Light 29.60170692307692 9.30549 49.2619 Low carbon,Dark 20.4239 20.4239 20.4239 Phloroglucinol 33.873133333333335 24.7953 41.3093 Silicon starvation,12h 53.3036 53.3036 53.3036