condition mean min max 12pM Fe,Midday 31.6571 31.6571 31.6571 12pM Fe,Midnight 17.21125 15.8026 18.6199 58pM Fe,Midday 20.5419 20.5419 20.5419 58pM Fe,Midnight 19.96537142857143 0.0 33.4714 233pM Fe,Midnight 25.3351 23.5489 27.6011 1160pM Fe,Midday 81.10941428571428 58.6758 91.9481 1160pM Fe,Midnight 9.0166225 2.66643 18.4089 High carbon,Dark 15.88894 2.94805 33.3596 High carbon,Light 40.70148538461538 2.48492 104.289 Low carbon,Dark 17.8331 17.8331 17.8331 Phloroglucinol 4.001123333333333 3.17394 4.80341 Silicon starvation,12h 51.3939 51.3939 51.3939