condition mean min max 12pM Fe,Midday 16.2537 16.2537 16.2537 12pM Fe,Midnight 20.88225 20.8198 20.9447 58pM Fe,Midday 14.7328 14.7328 14.7328 58pM Fe,Midnight 17.24674285714286 0.0 23.2861 233pM Fe,Midnight 16.8364 14.3077 19.5368 1160pM Fe,Midday 27.690485714285714 24.0283 30.0836 1160pM Fe,Midnight 6.78554 3.57858 10.8806 High carbon,Dark 10.248981333333333 1.29658 19.1718 High carbon,Light 13.390357846153846 0.700152 30.4115 Low carbon,Dark 13.5279 13.5279 13.5279 Phloroglucinol 7.558343333333333 4.84407 10.9386 Silicon starvation,12h 35.638 35.638 35.638