condition mean min max 12pM Fe,Midday 10.8212 10.8212 10.8212 12pM Fe,Midnight 8.462445 6.01489 10.91 58pM Fe,Midday 8.91479 8.91479 8.91479 58pM Fe,Midnight 5.162157142857143 0.0 7.68758 233pM Fe,Midnight 3.76918 3.18963 4.76388 1160pM Fe,Midday 5.43047 3.85653 7.3751 1160pM Fe,Midnight 2.3092291666666664 1.19998 4.55946 High carbon,Dark 5.063959333333333 2.00254 9.09858 High carbon,Light 4.377552230769231 0.785169 9.7866 Low carbon,Dark 3.6381 3.6381 3.6381 Phloroglucinol 9.24896 6.89779 11.0588 Silicon starvation,12h 11.0401 11.0401 11.0401