condition mean min max 12pM Fe,Midday 24.9741 24.9741 24.9741 12pM Fe,Midnight 29.149 23.2382 35.0598 58pM Fe,Midday 33.1474 33.1474 33.1474 58pM Fe,Midnight 27.041028571428573 0.0 40.273 233pM Fe,Midnight 8.507933333333334 6.51846 10.8195 1160pM Fe,Midday 15.595657142857142 11.4112 19.4532 1160pM Fe,Midnight 12.003105 7.14717 16.6626 High carbon,Dark 12.567718 3.12492 20.0766 High carbon,Light 5.830938461538461 1.54764 13.4806 Low carbon,Dark 1.06795 1.06795 1.06795 Phloroglucinol 10.26678 5.81704 18.8059 Silicon starvation,12h 4.86114 4.86114 4.86114