condition mean min max 12pM Fe,Midday 0.991077 0.991077 0.991077 12pM Fe,Midnight 3.854595 1.5251 6.18409 58pM Fe,Midday 0.876951 0.876951 0.876951 58pM Fe,Midnight 4.2409542857142855 0.0 6.51092 233pM Fe,Midnight 1.5478306666666668 0.617212 2.45746 1160pM Fe,Midday 1.3860528571428572 0.0 2.45831 1160pM Fe,Midnight 2.8213636666666666 0.745244 5.72861 High carbon,Dark 4.121320933333333 0.998534 8.2724 High carbon,Light 2.0279295384615383 0.58346 4.35616 Low carbon,Dark 2.4157 2.4157 2.4157 Phloroglucinol 4.259268666666666 0.310517 12.154 Silicon starvation,12h 3.10141 3.10141 3.10141