condition mean min max 12pM Fe,Midday 49.8645 49.8645 49.8645 12pM Fe,Midnight 42.0394 41.753 42.3258 58pM Fe,Midday 31.3393 31.3393 31.3393 58pM Fe,Midnight 17.707328571428572 0.0 29.6307 233pM Fe,Midnight 18.052166666666665 16.1308 19.548 1160pM Fe,Midday 28.027114285714287 25.1827 30.8193 1160pM Fe,Midnight 9.3182475 7.14581 14.3189 High carbon,Dark 20.648054000000002 4.40849 43.3111 High carbon,Light 15.22263923076923 2.92645 38.0818 Low carbon,Dark 13.3785 13.3785 13.3785 Phloroglucinol 61.967333333333336 39.7151 77.0472 Silicon starvation,12h 27.9294 27.9294 27.9294