condition mean min max 12pM Fe,Midday 7.35027 7.35027 7.35027 12pM Fe,Midnight 22.431649999999998 21.2871 23.5762 58pM Fe,Midday 5.92757 5.92757 5.92757 58pM Fe,Midnight 17.56855714285714 0.0 22.6679 233pM Fe,Midnight 18.270733333333332 17.2671 19.1464 1160pM Fe,Midday 5.46776 4.35213 6.43319 1160pM Fe,Midnight 11.031290833333333 9.72419 11.7825 High carbon,Dark 7.762544 1.66439 15.0946 High carbon,Light 3.7880108461538464 0.219099 10.5672 Low carbon,Dark 5.4428 5.4428 5.4428 Phloroglucinol 5.85505 5.53871 6.08536 Silicon starvation,12h 14.2932 14.2932 14.2932