condition mean min max 12pM Fe,Midday 49.123 49.123 49.123 12pM Fe,Midnight 42.03830000000001 38.9866 45.09 58pM Fe,Midday 35.8406 35.8406 35.8406 58pM Fe,Midnight 28.0454 0.0 37.3004 233pM Fe,Midnight 24.0639 23.4641 24.4201 1160pM Fe,Midday 33.62574285714285 27.7862 38.5655 1160pM Fe,Midnight 16.040300000000002 12.7645 21.0279 High carbon,Dark 27.215821333333334 7.70832 42.0978 High carbon,Light 24.424589230769232 3.5515 49.2966 Low carbon,Dark 25.9075 25.9075 25.9075 Phloroglucinol 24.1234 19.7111 27.596 Silicon starvation,12h 61.0474 61.0474 61.0474