condition mean min max 12pM Fe,Midday 6.61657 6.61657 6.61657 12pM Fe,Midnight 13.22365 12.0051 14.4422 58pM Fe,Midday 15.4463 15.4463 15.4463 58pM Fe,Midnight 17.74772857142857 0.0 25.7835 233pM Fe,Midnight 63.72303333333333 63.3769 64.0545 1160pM Fe,Midday 0.667347 0.228567 1.29846 1160pM Fe,Midnight 58.373558333333335 33.3493 77.3578 High carbon,Dark 105.33779333333334 23.8743 215.084 High carbon,Light 78.5026176923077 0.190696 235.705 Low carbon,Dark 33.8563 33.8563 33.8563 Phloroglucinol 22.59967 6.94221 33.5218 Silicon starvation,12h 80.1784 80.1784 80.1784