condition mean min max 12pM Fe,Midday 52.8442 52.8442 52.8442 12pM Fe,Midnight 37.83955 36.81 38.8691 58pM Fe,Midday 46.3178 46.3178 46.3178 58pM Fe,Midnight 22.17152857142857 0.0 32.1687 233pM Fe,Midnight 19.429933333333334 18.2332 20.8014 1160pM Fe,Midday 34.7607 31.202 40.6795 1160pM Fe,Midnight 11.38289 4.43035 17.9055 High carbon,Dark 27.69514 10.7017 43.7784 High carbon,Light 28.250247692307692 3.56012 94.5123 Low carbon,Dark 19.4422 19.4422 19.4422 Phloroglucinol 125.88733333333333 110.587 141.633 Silicon starvation,12h 40.8453 40.8453 40.8453