condition mean min max 12pM Fe,Midday 75.408 75.408 75.408 12pM Fe,Midnight 59.55045 54.9311 64.1698 58pM Fe,Midday 73.1818 73.1818 73.1818 58pM Fe,Midnight 40.69885714285714 0.0 52.6417 233pM Fe,Midnight 33.96066666666667 33.0047 34.6262 1160pM Fe,Midday 53.26141428571429 46.8331 56.331 1160pM Fe,Midnight 33.98886666666667 17.8876 44.9798 High carbon,Dark 48.97441333333333 22.379 129.981 High carbon,Light 47.1919 26.8312 87.4617 Low carbon,Dark 46.3036 46.3036 46.3036 Phloroglucinol 45.2253 34.0532 61.556 Silicon starvation,12h 58.7223 58.7223 58.7223