condition mean min max 12pM Fe,Midday 72.1771 72.1771 72.1771 12pM Fe,Midnight 16.54565 14.7295 18.3618 58pM Fe,Midday 54.9382 54.9382 54.9382 58pM Fe,Midnight 12.652 0.0 17.773 233pM Fe,Midnight 6.427076666666666 6.01976 6.76662 1160pM Fe,Midday 35.234814285714286 29.6516 40.8427 1160pM Fe,Midnight 11.687545833333333 5.17278 16.9828 High carbon,Dark 18.930483333333335 5.47356 40.3973 High carbon,Light 15.151628 0.262823 28.7113 Low carbon,Dark 9.45848 9.45848 9.45848 Phloroglucinol 22.016233333333332 6.9301 47.588 Silicon starvation,12h 13.9096 13.9096 13.9096