condition mean min max 12pM Fe,Midday 33.7254 33.7254 33.7254 12pM Fe,Midnight 31.341099999999997 29.929 32.7532 58pM Fe,Midday 27.0566 27.0566 27.0566 58pM Fe,Midnight 21.55522857142857 0.0 29.9826 233pM Fe,Midnight 32.2173 28.1876 36.9655 1160pM Fe,Midday 22.100385714285714 14.5095 30.2986 1160pM Fe,Midnight 23.235125 17.1011 31.6743 High carbon,Dark 40.87534 16.1778 94.0765 High carbon,Light 29.864163076923077 1.58837 80.8403 Low carbon,Dark 31.4201 31.4201 31.4201 Phloroglucinol 32.996633333333335 28.4594 39.827 Silicon starvation,12h 72.1495 72.1495 72.1495