condition mean min max 12pM Fe,Midday 26.724 26.724 26.724 12pM Fe,Midnight 40.10735 37.916 42.2987 58pM Fe,Midday 17.9039 17.9039 17.9039 58pM Fe,Midnight 40.45367142857143 0.0 51.716 233pM Fe,Midnight 56.84193333333334 55.5977 57.8934 1160pM Fe,Midday 12.135322857142858 8.24614 15.7199 1160pM Fe,Midnight 64.048 45.311 76.4738 High carbon,Dark 53.52416 24.8386 89.8619 High carbon,Light 22.380961538461538 13.4457 35.8962 Low carbon,Dark 28.2265 28.2265 28.2265 Phloroglucinol 14.555733333333333 10.2579 21.3283 Silicon starvation,12h 25.6315 25.6315 25.6315