condition mean min max 12pM Fe,Midday 29.2497 29.2497 29.2497 12pM Fe,Midnight 18.06425 18.0041 18.1244 58pM Fe,Midday 23.1855 23.1855 23.1855 58pM Fe,Midnight 19.772285714285715 14.4018 43.3245 233pM Fe,Midnight 15.409333333333334 14.1217 16.1675 1160pM Fe,Midday 17.64372857142857 15.5427 19.5112 1160pM Fe,Midnight 18.38579 7.98379 33.3947 High carbon,Dark 12.453962 3.67008 18.3358 High carbon,Light 11.560621692307691 0.990532 26.834 Low carbon,Dark 7.92161 7.92161 7.92161 Phloroglucinol 8.501380000000001 5.31652 10.7942 Silicon starvation,12h 19.6239 19.6239 19.6239