condition mean min max 12pM Fe,Midday 47.8741 47.8741 47.8741 12pM Fe,Midnight 42.51875 40.9279 44.1096 58pM Fe,Midday 34.1862 34.1862 34.1862 58pM Fe,Midnight 54.93671428571429 29.8363 149.286 233pM Fe,Midnight 36.32586666666667 35.6644 36.9604 1160pM Fe,Midday 26.647628571428573 24.1076 31.9402 1160pM Fe,Midnight 17.509458333333335 14.4414 23.9501 High carbon,Dark 37.92315333333333 16.1318 60.9275 High carbon,Light 33.108381538461536 9.88916 62.8701 Low carbon,Dark 53.2272 53.2272 53.2272 Phloroglucinol 37.75656666666667 28.8972 48.3209 Silicon starvation,12h 113.256 113.256 113.256