condition mean min max 12pM Fe,Midday 37.5532 37.5532 37.5532 12pM Fe,Midnight 26.889400000000002 25.1252 28.6536 58pM Fe,Midday 29.4364 29.4364 29.4364 58pM Fe,Midnight 18.461928571428572 0.0 23.2005 233pM Fe,Midnight 15.954266666666665 14.8025 16.7776 1160pM Fe,Midday 23.50904285714286 21.4309 27.1258 1160pM Fe,Midnight 9.327108333333333 7.58923 11.7356 High carbon,Dark 14.651732666666668 6.20665 27.5543 High carbon,Light 13.212489230769231 2.16274 30.6299 Low carbon,Dark 14.924 14.924 14.924 Phloroglucinol 16.252299999999998 11.5101 24.4726 Silicon starvation,12h 26.0115 26.0115 26.0115