condition mean min max 12pM Fe,Midday 31.2297 31.2297 31.2297 12pM Fe,Midnight 38.2429 36.7803 39.7055 58pM Fe,Midday 21.7289 21.7289 21.7289 58pM Fe,Midnight 30.213285714285714 23.7217 35.3206 233pM Fe,Midnight 34.9306 33.6304 36.2946 1160pM Fe,Midday 16.70715714285714 15.6947 19.8274 1160pM Fe,Midnight 14.470625833333333 8.03164 24.5371 High carbon,Dark 22.111969333333334 6.90666 42.0449 High carbon,Light 12.725177692307692 1.98862 29.6641 Low carbon,Dark 14.6386 14.6386 14.6386 Phloroglucinol 29.091966666666668 20.5729 39.8713 Silicon starvation,12h 19.5912 19.5912 19.5912