condition mean min max 12pM Fe,Midday 25.817 25.817 25.817 12pM Fe,Midnight 24.9923 24.5935 25.3911 58pM Fe,Midday 25.5854 25.5854 25.5854 58pM Fe,Midnight 17.937371428571428 0.0 23.7197 233pM Fe,Midnight 13.545833333333333 12.7116 14.1946 1160pM Fe,Midday 18.26402857142857 16.4157 19.7302 1160pM Fe,Midnight 9.461369166666667 6.4977 12.8918 High carbon,Dark 12.956514 3.13627 22.0382 High carbon,Light 8.2033 2.27642 17.4902 Low carbon,Dark 9.1095 9.1095 9.1095 Phloroglucinol 22.522933333333334 17.3946 27.9416 Silicon starvation,12h 21.0263 21.0263 21.0263