condition mean min max 12pM Fe,Midday 29.1493 29.1493 29.1493 12pM Fe,Midnight 20.5317 18.7234 22.34 58pM Fe,Midday 23.5169 23.5169 23.5169 58pM Fe,Midnight 10.65217 0.0 14.7102 233pM Fe,Midnight 7.580253333333333 6.37749 8.32916 1160pM Fe,Midday 17.78742857142857 14.6223 21.8673 1160pM Fe,Midnight 7.4381916666666665 3.20433 11.0765 High carbon,Dark 9.737924 1.08705 20.7039 High carbon,Light 9.558959230769231 1.00945 19.0928 Low carbon,Dark 9.47331 9.47331 9.47331 Phloroglucinol 22.679766666666666 15.7945 28.5042 Silicon starvation,12h 15.6095 15.6095 15.6095