condition mean min max 12pM Fe,Midday 66.1879 66.1879 66.1879 12pM Fe,Midnight 75.99504999999999 73.8141 78.176 58pM Fe,Midday 41.6128 41.6128 41.6128 58pM Fe,Midnight 49.1871 0.0 72.7029 233pM Fe,Midnight 32.78273333333333 30.7722 36.1188 1160pM Fe,Midday 24.939442857142858 20.8819 29.1046 1160pM Fe,Midnight 47.22376666666667 39.4541 58.691 High carbon,Dark 59.56898666666667 39.8773 111.65 High carbon,Light 51.70415846153846 3.0542 93.9602 Low carbon,Dark 24.7655 24.7655 24.7655 Phloroglucinol 67.6904 52.3896 77.7276 Silicon starvation,12h 48.5601 48.5601 48.5601