condition mean min max 12pM Fe,Midday 210.851 210.851 210.851 12pM Fe,Midnight 149.232 145.542 152.922 58pM Fe,Midday 129.574 129.574 129.574 58pM Fe,Midnight 91.24338571428572 54.9119 103.637 233pM Fe,Midnight 106.295 102.841 110.033 1160pM Fe,Midday 101.28837142857142 97.0865 106.463 1160pM Fe,Midnight 84.91438333333333 61.1466 111.548 High carbon,Dark 187.84196 70.6659 768.014 High carbon,Light 184.67843846153846 43.4685 523.337 Low carbon,Dark 103.415 103.415 103.415 Phloroglucinol 183.84 169.971 193.169 Silicon starvation,12h 176.744 176.744 176.744