condition mean min max 12pM Fe,Midday 68.6519 68.6519 68.6519 12pM Fe,Midnight 48.3995 46.7204 50.0786 58pM Fe,Midday 47.84 47.84 47.84 58pM Fe,Midnight 40.00452857142857 30.3334 69.1355 233pM Fe,Midnight 25.66583333333333 22.1827 28.4625 1160pM Fe,Midday 42.3753 39.8292 46.1422 1160pM Fe,Midnight 25.204558333333335 14.3818 34.3469 High carbon,Dark 42.07577333333333 19.7046 61.3398 High carbon,Light 42.27160769230769 7.3276 73.9603 Low carbon,Dark 37.923 37.923 37.923 Phloroglucinol 47.213033333333335 38.0225 62.6726 Silicon starvation,12h 58.7572 58.7572 58.7572