condition mean min max 12pM Fe,Midday 29.5103 29.5103 29.5103 12pM Fe,Midnight 25.4991 25.2201 25.7781 58pM Fe,Midday 23.7852 23.7852 23.7852 58pM Fe,Midnight 23.745942857142857 0.0 32.7443 233pM Fe,Midnight 27.283233333333335 26.9871 27.7504 1160pM Fe,Midday 19.67102857142857 14.4687 23.8416 1160pM Fe,Midnight 23.615158333333333 16.8007 30.9163 High carbon,Dark 29.217193333333334 5.6119 53.5115 High carbon,Light 26.63975 3.78424 51.0946 Low carbon,Dark 22.7896 22.7896 22.7896 Phloroglucinol 28.299733333333332 20.6889 40.0117 Silicon starvation,12h 52.3662 52.3662 52.3662