condition mean min max 12pM Fe,Midday 36.3498 36.3498 36.3498 12pM Fe,Midnight 29.4387 28.9172 29.9602 58pM Fe,Midday 28.3154 28.3154 28.3154 58pM Fe,Midnight 19.7205 0.0 26.2219 233pM Fe,Midnight 31.587766666666667 30.1962 33.0293 1160pM Fe,Midday 32.253414285714285 28.0853 34.6783 1160pM Fe,Midnight 81.33760833333334 13.3447 136.601 High carbon,Dark 55.49584 11.3933 291.261 High carbon,Light 36.566437692307694 6.0358 97.9971 Low carbon,Dark 42.4072 42.4072 42.4072 Phloroglucinol 88.09303333333334 79.5872 92.5711 Silicon starvation,12h 112.69 112.69 112.69