condition mean min max 12pM Fe,Midday 103.044 103.044 103.044 12pM Fe,Midnight 67.86645 67.7031 68.0298 58pM Fe,Midday 77.3479 77.3479 77.3479 58pM Fe,Midnight 41.02415714285714 0.0 53.506 233pM Fe,Midnight 44.24 39.2206 50.9579 1160pM Fe,Midday 67.5129 61.4572 75.0244 1160pM Fe,Midnight 37.54216666666667 15.8625 55.7692 High carbon,Dark 88.82345333333333 19.2054 303.699 High carbon,Light 86.4477376923077 4.77129 241.24 Low carbon,Dark 62.0856 62.0856 62.0856 Phloroglucinol 301.218 274.506 327.204 Silicon starvation,12h 121.21 121.21 121.21