condition mean min max 12pM Fe,Midday 27.2966 27.2966 27.2966 12pM Fe,Midnight 35.53995 31.4445 39.6354 58pM Fe,Midday 24.1533 24.1533 24.1533 58pM Fe,Midnight 22.708342857142856 0.0 32.9747 233pM Fe,Midnight 29.042933333333334 27.3879 32.2802 1160pM Fe,Midday 17.094742857142858 14.2003 22.2614 1160pM Fe,Midnight 14.644230833333333 8.82937 23.4209 High carbon,Dark 11.483558 3.99354 26.7156 High carbon,Light 8.097102 0.0 13.4616 Low carbon,Dark 19.1072 19.1072 19.1072 Phloroglucinol 12.9691 11.9475 14.5917 Silicon starvation,12h 20.0707 20.0707 20.0707