condition mean min max 12pM Fe,Midday 6.87471 6.87471 6.87471 12pM Fe,Midnight 12.63655 11.5325 13.7406 58pM Fe,Midday 8.51506 8.51506 8.51506 58pM Fe,Midnight 8.069434285714285 0.0 10.8167 233pM Fe,Midnight 11.100266666666666 10.6614 11.4872 1160pM Fe,Midday 5.810307142857143 4.57579 7.2814 1160pM Fe,Midnight 4.337343333333333 2.85393 7.00203 High carbon,Dark 2.793618266666667 0.188164 10.9153 High carbon,Light 1.0918455384615384 0.0 3.6124 Low carbon,Dark 3.69337 3.69337 3.69337 Phloroglucinol 1.965866 0.992928 2.51783 Silicon starvation,12h 3.02507 3.02507 3.02507