condition mean min max 12pM Fe,Midday 45.6577 45.6577 45.6577 12pM Fe,Midnight 51.2752 50.9643 51.5861 58pM Fe,Midday 39.1073 39.1073 39.1073 58pM Fe,Midnight 46.22947142857143 43.2819 49.3095 233pM Fe,Midnight 21.979066666666668 21.2084 22.588 1160pM Fe,Midday 36.04521428571429 29.7995 39.3611 1160pM Fe,Midnight 52.82576666666667 24.0098 69.6116 High carbon,Dark 24.537069333333335 8.63825 41.2545 High carbon,Light 39.859065384615384 7.42169 99.5475 Low carbon,Dark 17.5093 17.5093 17.5093 Phloroglucinol 123.87953333333333 90.1606 152.754 Silicon starvation,12h 33.979 33.979 33.979