condition mean min max 12pM Fe,Midday 55.0271 55.0271 55.0271 12pM Fe,Midnight 30.54395 30.2961 30.7918 58pM Fe,Midday 44.0038 44.0038 44.0038 58pM Fe,Midnight 35.8716 20.8623 104.606 233pM Fe,Midnight 18.759700000000002 17.7005 19.4253 1160pM Fe,Midday 37.90595714285714 32.9573 44.4295 1160pM Fe,Midnight 25.963941666666667 12.8338 38.1075 High carbon,Dark 22.845401333333335 4.62427 42.9076 High carbon,Light 27.565663076923077 3.8112 88.4896 Low carbon,Dark 14.8231 14.8231 14.8231 Phloroglucinol 49.78413333333333 37.2895 57.1139 Silicon starvation,12h 31.1413 31.1413 31.1413