condition mean min max 12pM Fe,Midday 92.6064 92.6064 92.6064 12pM Fe,Midnight 40.6396 40.2359 41.0433 58pM Fe,Midday 76.5086 76.5086 76.5086 58pM Fe,Midnight 28.798857142857145 27.4996 30.8911 233pM Fe,Midnight 18.3614 17.8665 19.0202 1160pM Fe,Midday 61.016914285714286 55.3469 63.3591 1160pM Fe,Midnight 8.121868333333333 6.29704 10.1598 High carbon,Dark 18.88491 3.66183 39.2848 High carbon,Light 17.880565384615384 4.14554 51.5203 Low carbon,Dark 15.0349 15.0349 15.0349 Phloroglucinol 19.783666666666665 15.7516 24.6012 Silicon starvation,12h 29.5829 29.5829 29.5829