condition mean min max 12pM Fe,Midday 91.1841 91.1841 91.1841 12pM Fe,Midnight 83.03115 75.1583 90.904 58pM Fe,Midday 65.6601 65.6601 65.6601 58pM Fe,Midnight 57.865 0.0 71.8756 233pM Fe,Midnight 51.775666666666666 49.3129 53.6536 1160pM Fe,Midday 54.94085714285714 47.9687 58.754 1160pM Fe,Midnight 28.144791666666666 18.8667 39.0978 High carbon,Dark 47.683393333333335 15.4488 70.6262 High carbon,Light 29.33980230769231 6.81472 54.9772 Low carbon,Dark 36.7872 36.7872 36.7872 Phloroglucinol 49.9473 32.1157 66.8366 Silicon starvation,12h 47.2295 47.2295 47.2295