condition mean min max 12pM Fe,Midday 77.4346 77.4346 77.4346 12pM Fe,Midnight 38.53735 33.4826 43.5921 58pM Fe,Midday 50.3029 50.3029 50.3029 58pM Fe,Midnight 30.92782857142857 25.3951 37.9159 233pM Fe,Midnight 19.7617 19.1966 20.1659 1160pM Fe,Midday 35.58122857142857 32.9892 41.7698 1160pM Fe,Midnight 11.7678075 6.63387 20.5455 High carbon,Dark 34.67424666666667 10.1429 65.548 High carbon,Light 27.81520923076923 1.87823 53.1664 Low carbon,Dark 15.9452 15.9452 15.9452 Phloroglucinol 37.679 31.2121 45.3442 Silicon starvation,12h 33.3165 33.3165 33.3165