condition mean min max 12pM Fe,Midday 73.6229 73.6229 73.6229 12pM Fe,Midnight 42.22965 37.399 47.0603 58pM Fe,Midday 50.8632 50.8632 50.8632 58pM Fe,Midnight 13.985928571428571 0.0 18.8215 233pM Fe,Midnight 26.508966666666666 24.9257 28.1492 1160pM Fe,Midday 35.42852857142857 29.6622 39.8012 1160pM Fe,Midnight 54.47881666666667 16.4858 78.5402 High carbon,Dark 60.30632 23.0012 273.767 High carbon,Light 57.84111153846154 5.75357 143.926 Low carbon,Dark 19.3256 19.3256 19.3256 Phloroglucinol 99.2851 79.6699 136.773 Silicon starvation,12h 76.8504 76.8504 76.8504