condition mean min max 12pM Fe,Midday 18.3295 18.3295 18.3295 12pM Fe,Midnight 29.1213 25.5831 32.6595 58pM Fe,Midday 15.9342 15.9342 15.9342 58pM Fe,Midnight 15.928957142857143 0.0 20.625 233pM Fe,Midnight 11.603166666666667 10.864 13.0311 1160pM Fe,Midday 11.867095714285714 8.52317 15.288 1160pM Fe,Midnight 13.675370000000001 7.74291 20.4232 High carbon,Dark 28.814429333333333 7.29934 50.4121 High carbon,Light 24.98220923076923 4.82245 34.6939 Low carbon,Dark 32.1361 32.1361 32.1361 Phloroglucinol 38.4682 25.1948 49.7075 Silicon starvation,12h 15.3689 15.3689 15.3689