condition mean min max 12pM Fe,Midday 52.9216 52.9216 52.9216 12pM Fe,Midnight 410.4695 339.224 481.715 58pM Fe,Midday 251.591 251.591 251.591 58pM Fe,Midnight 830.3835714285715 456.814 1197.19 233pM Fe,Midnight 441.735 428.753 457.791 1160pM Fe,Midday 472.7594285714286 432.817 506.189 1160pM Fe,Midnight 580.8119166666667 473.043 731.224 High carbon,Dark 595.4835 73.9645 1966.05 High carbon,Light 657.17172 2.35885 2119.31 Low carbon,Dark 667.639 667.639 667.639 Phloroglucinol 993.6666666666666 682.76 1238.86 Silicon starvation,12h 387.881 387.881 387.881