condition mean min max 12pM Fe,Midday 17.3074 17.3074 17.3074 12pM Fe,Midnight 24.0092 21.4935 26.5249 58pM Fe,Midday 8.86623 8.86623 8.86623 58pM Fe,Midnight 16.308442857142857 0.0 21.1211 233pM Fe,Midnight 24.665966666666666 20.4225 29.9277 1160pM Fe,Midday 8.407732857142857 4.89873 10.9308 1160pM Fe,Midnight 11.3123525 1.4386 26.3092 High carbon,Dark 23.718872666666666 2.88749 37.8414 High carbon,Light 9.320491538461539 0.0 23.1834 Low carbon,Dark 14.8021 14.8021 14.8021 Phloroglucinol 9.19415 3.4554 16.1358 Silicon starvation,12h 25.3959 25.3959 25.3959