condition mean min max 12pM Fe,Midday 44.4252 44.4252 44.4252 12pM Fe,Midnight 59.63275 59.2265 60.039 58pM Fe,Midday 20.9119 20.9119 20.9119 58pM Fe,Midnight 48.387771428571426 46.094 51.187 233pM Fe,Midnight 25.562933333333334 25.0573 25.8539 1160pM Fe,Midday 14.283842857142856 13.4729 15.1136 1160pM Fe,Midnight 22.121608333333334 18.3401 26.7068 High carbon,Dark 27.604077333333333 8.56796 55.1709 High carbon,Light 12.41582376923077 0.751049 21.2668 Low carbon,Dark 13.8522 13.8522 13.8522 Phloroglucinol 39.7034 34.6563 49.532 Silicon starvation,12h 22.9894 22.9894 22.9894