condition mean min max 12pM Fe,Midday 53.1679 53.1679 53.1679 12pM Fe,Midnight 57.21855 52.7628 61.6743 58pM Fe,Midday 43.9706 43.9706 43.9706 58pM Fe,Midnight 73.13551428571428 31.7873 247.065 233pM Fe,Midnight 28.969 27.4846 30.1582 1160pM Fe,Midday 36.34747142857143 34.0353 39.8359 1160pM Fe,Midnight 46.177925 18.1396 70.6247 High carbon,Dark 33.18403333333333 16.9895 74.7641 High carbon,Light 33.650984615384615 12.7095 59.5584 Low carbon,Dark 25.4105 25.4105 25.4105 Phloroglucinol 110.1881 97.9893 126.9 Silicon starvation,12h 38.1596 38.1596 38.1596