condition mean min max 12pM Fe,Midday 46.3048 46.3048 46.3048 12pM Fe,Midnight 39.293350000000004 37.5132 41.0735 58pM Fe,Midday 34.8607 34.8607 34.8607 58pM Fe,Midnight 32.214757142857145 25.7871 45.4717 233pM Fe,Midnight 19.7837 19.2779 20.3291 1160pM Fe,Midday 25.518271428571428 23.0937 28.1324 1160pM Fe,Midnight 11.658273333333334 9.79761 15.1011 High carbon,Dark 15.766313333333333 4.86565 29.126 High carbon,Light 11.247994615384615 2.56036 21.1546 Low carbon,Dark 12.4713 12.4713 12.4713 Phloroglucinol 18.931 11.6224 30.9375 Silicon starvation,12h 30.0577 30.0577 30.0577