condition mean min max 12pM Fe,Midday 62.4809 62.4809 62.4809 12pM Fe,Midnight 23.753349999999998 21.3662 26.1405 58pM Fe,Midday 57.1925 57.1925 57.1925 58pM Fe,Midnight 57.088414285714286 21.0475 255.3 233pM Fe,Midnight 13.761533333333333 12.7325 15.5817 1160pM Fe,Midday 40.37837142857143 31.4826 49.9841 1160pM Fe,Midnight 20.235600833333333 8.25911 36.375 High carbon,Dark 37.96719933333333 6.06369 81.0404 High carbon,Light 81.08764538461539 2.53678 354.466 Low carbon,Dark 37.3441 37.3441 37.3441 Phloroglucinol 72.21236666666667 65.7037 78.2866 Silicon starvation,12h 127.897 127.897 127.897