condition mean min max 12pM Fe,Midday 37.0656 37.0656 37.0656 12pM Fe,Midnight 38.1016 32.913 43.2902 58pM Fe,Midday 30.5268 30.5268 30.5268 58pM Fe,Midnight 24.937885714285713 0.0 33.8821 233pM Fe,Midnight 28.458366666666667 27.2187 30.8961 1160pM Fe,Midday 20.61082857142857 17.0937 23.7217 1160pM Fe,Midnight 17.2352025 8.02373 27.6872 High carbon,Dark 30.96426 12.2012 43.1903 High carbon,Light 27.065752307692307 9.06411 50.6836 Low carbon,Dark 27.3353 27.3353 27.3353 Phloroglucinol 62.43613333333333 55.1677 72.8244 Silicon starvation,12h 73.6499 73.6499 73.6499