condition mean min max 12pM Fe,Midday 76.1172 76.1172 76.1172 12pM Fe,Midnight 76.21975 75.2192 77.2203 58pM Fe,Midday 65.7026 65.7026 65.7026 58pM Fe,Midnight 48.22864285714286 0.0 61.1085 233pM Fe,Midnight 39.076933333333336 37.4391 40.2515 1160pM Fe,Midday 55.71795714285714 52.3182 64.2191 1160pM Fe,Midnight 35.48128333333334 28.0343 41.7126 High carbon,Dark 37.984786666666665 12.0641 58.9406 High carbon,Light 31.261613076923076 6.94397 63.4527 Low carbon,Dark 32.0578 32.0578 32.0578 Phloroglucinol 61.83796666666667 58.0151 68.4747 Silicon starvation,12h 46.8437 46.8437 46.8437