condition mean min max 12pM Fe,Midday 21.5062 21.5062 21.5062 12pM Fe,Midnight 15.3951 14.249 16.5412 58pM Fe,Midday 22.3995 22.3995 22.3995 58pM Fe,Midnight 13.187542857142857 0.0 18.1514 233pM Fe,Midnight 37.021233333333335 35.8552 38.3284 1160pM Fe,Midday 11.840324285714287 8.32259 16.5302 1160pM Fe,Midnight 41.65123333333333 22.5585 53.5687 High carbon,Dark 68.68744666666667 18.689 141.601 High carbon,Light 50.75071846153846 2.51406 157.471 Low carbon,Dark 16.3813 16.3813 16.3813 Phloroglucinol 15.012 8.9228 19.6889 Silicon starvation,12h 57.8678 57.8678 57.8678