condition mean min max 12pM Fe,Midday 315.044 315.044 315.044 12pM Fe,Midnight 251.5855 238.046 265.125 58pM Fe,Midday 261.343 261.343 261.343 58pM Fe,Midnight 138.50657142857142 0.0 181.782 233pM Fe,Midnight 68.23526666666666 67.1326 70.1295 1160pM Fe,Midday 68.79444285714285 64.4224 78.76 1160pM Fe,Midnight 38.80798333333333 31.74 52.2522 High carbon,Dark 39.601306666666666 15.5859 71.1638 High carbon,Light 41.00293076923077 9.3742 78.4677 Low carbon,Dark 53.3266 53.3266 53.3266 Phloroglucinol 18.8104 15.0919 23.8598 Silicon starvation,12h 88.2248 88.2248 88.2248