condition mean min max 12pM Fe,Midday 28.5044 28.5044 28.5044 12pM Fe,Midnight 19.5901 19.5699 19.6103 58pM Fe,Midday 10.6709 10.6709 10.6709 58pM Fe,Midnight 8.92399 0.0 11.6932 233pM Fe,Midnight 3.0143866666666668 2.63784 3.68689 1160pM Fe,Midday 22.390671428571427 17.7164 27.7699 1160pM Fe,Midnight 2.7316366666666667 2.07355 3.70188 High carbon,Dark 4.7515468 0.392237 10.0781 High carbon,Light 9.311176230769231 0.0 31.9484 Low carbon,Dark 2.85038 2.85038 2.85038 Phloroglucinol 19.246166666666667 13.1901 27.6363 Silicon starvation,12h 14.8458 14.8458 14.8458