condition mean min max 12pM Fe,Midday 13.3991 13.3991 13.3991 12pM Fe,Midnight 9.142215 8.26623 10.0182 58pM Fe,Midday 11.8561 11.8561 11.8561 58pM Fe,Midnight 5.213205714285714 0.0 9.34138 233pM Fe,Midnight 2.6946933333333334 2.15695 3.11152 1160pM Fe,Midday 7.613041428571429 6.58328 8.44973 1160pM Fe,Midnight 1.6208458333333333 0.58573 3.02734 High carbon,Dark 4.974038 1.62503 8.4758 High carbon,Light 4.861897692307692 0.324359 9.98204 Low carbon,Dark 5.16647 5.16647 5.16647 Phloroglucinol 7.996293333333333 6.83081 8.97407 Silicon starvation,12h 6.97758 6.97758 6.97758