condition mean min max 12pM Fe,Midday 73.9893 73.9893 73.9893 12pM Fe,Midnight 71.8715 65.5027 78.2403 58pM Fe,Midday 72.5197 72.5197 72.5197 58pM Fe,Midnight 52.57055714285714 0.0 65.9831 233pM Fe,Midnight 41.66246666666667 36.6926 50.0953 1160pM Fe,Midday 62.078 54.941 68.0772 1160pM Fe,Midnight 41.411258333333336 12.2725 63.1899 High carbon,Dark 72.9293 14.5755 149.857 High carbon,Light 85.65190384615384 4.02078 154.721 Low carbon,Dark 123.313 123.313 123.313 Phloroglucinol 106.678 87.117 124.26 Silicon starvation,12h 104.057 104.057 104.057