condition mean min max 12pM Fe,Midday 50.4631 50.4631 50.4631 12pM Fe,Midnight 42.01795 40.7781 43.2578 58pM Fe,Midday 45.0544 45.0544 45.0544 58pM Fe,Midnight 34.16325714285714 31.2332 40.403 233pM Fe,Midnight 24.302633333333333 22.4377 25.7864 1160pM Fe,Midday 43.85605714285714 41.0241 49.6389 1160pM Fe,Midnight 17.352291666666666 13.1591 21.2701 High carbon,Dark 28.944293333333334 6.95725 51.0718 High carbon,Light 22.598827692307694 3.61317 50.7281 Low carbon,Dark 27.8876 27.8876 27.8876 Phloroglucinol 26.125733333333333 17.9638 36.6261 Silicon starvation,12h 37.7652 37.7652 37.7652