condition mean min max 12pM Fe,Midday 8.59608 8.59608 8.59608 12pM Fe,Midnight 4.05405 3.11245 4.99565 58pM Fe,Midday 3.57939 3.57939 3.57939 58pM Fe,Midnight 3.9028014285714288 0.0 5.61333 233pM Fe,Midnight 3.0056533333333335 2.82106 3.36176 1160pM Fe,Midday 2.306902857142857 1.59055 2.91353 1160pM Fe,Midnight 2.5122458333333335 1.48475 3.37023 High carbon,Dark 7.250947333333333 2.89415 19.4963 High carbon,Light 4.114911307692307 0.342475 9.91681 Low carbon,Dark 5.75166 5.75166 5.75166 Phloroglucinol 20.092033333333333 13.7832 24.1151 Silicon starvation,12h 6.18555 6.18555 6.18555