condition mean min max 12pM Fe,Midday 112.909 112.909 112.909 12pM Fe,Midnight 280.64 234.843 326.437 58pM Fe,Midday 99.9075 99.9075 99.9075 58pM Fe,Midnight 166.93314285714285 0.0 277.665 233pM Fe,Midnight 506.54366666666664 448.449 591.751 1160pM Fe,Midday 62.14957142857143 25.4604 86.7436 1160pM Fe,Midnight 116.79341666666667 69.3974 163.718 High carbon,Dark 378.58186666666666 151.665 766.17 High carbon,Light 261.93545384615385 57.0189 453.836 Low carbon,Dark 300.229 300.229 300.229 Phloroglucinol 218.202 195.81 240.108 Silicon starvation,12h 210.246 210.246 210.246