condition mean min max 12pM Fe,Midday 333.985 333.985 333.985 12pM Fe,Midnight 492.904 446.426 539.382 58pM Fe,Midday 718.599 718.599 718.599 58pM Fe,Midnight 681.6864285714286 386.734 810.695 233pM Fe,Midnight 1544.11 1533.05 1566.07 1160pM Fe,Midday 573.3525714285714 510.311 737.696 1160pM Fe,Midnight 1294.5224166666667 697.121 2033.09 High carbon,Dark 1653.8517333333334 406.061 2667.47 High carbon,Light 1464.6094615384616 373.572 3021.06 Low carbon,Dark 1360.76 1360.76 1360.76 Phloroglucinol 320.68399999999997 123.803 442.859 Silicon starvation,12h 834.077 834.077 834.077