condition mean min max 12pM Fe,Midday 32.2053 32.2053 32.2053 12pM Fe,Midnight 25.972900000000003 24.9358 27.01 58pM Fe,Midday 24.0246 24.0246 24.0246 58pM Fe,Midnight 21.323542857142858 14.7182 41.783 233pM Fe,Midnight 13.8068 12.5774 15.228 1160pM Fe,Midday 19.721185714285713 15.5647 22.368 1160pM Fe,Midnight 49.071963333333336 2.87247 91.0381 High carbon,Dark 16.608908 3.36416 30.4372 High carbon,Light 13.503758692307693 0.968743 34.6137 Low carbon,Dark 13.5606 13.5606 13.5606 Phloroglucinol 29.5749 21.9483 35.715 Silicon starvation,12h 28.0876 28.0876 28.0876