condition mean min max 12pM Fe,Midday 307.897 307.897 307.897 12pM Fe,Midnight 258.178 240.358 275.998 58pM Fe,Midday 349.496 349.496 349.496 58pM Fe,Midnight 322.28414285714285 283.569 368.53 233pM Fe,Midnight 232.088 226.21 238.277 1160pM Fe,Midday 214.82728571428572 180.941 248.61 1160pM Fe,Midnight 163.61766666666668 130.459 201.931 High carbon,Dark 146.8357 24.6463 243.124 High carbon,Light 132.6609 28.0745 240.564 Low carbon,Dark 261.111 261.111 261.111 Phloroglucinol 75.23353333333333 63.6625 87.1704 Silicon starvation,12h 159.848 159.848 159.848