condition mean min max 12pM Fe,Midday 21.3236 21.3236 21.3236 12pM Fe,Midnight 16.564 16.0921 17.0359 58pM Fe,Midday 26.215 26.215 26.215 58pM Fe,Midnight 18.2888 0.0 24.2088 233pM Fe,Midnight 54.0245 52.3339 55.7982 1160pM Fe,Midday 11.674961428571429 8.76313 15.789 1160pM Fe,Midnight 74.13960833333333 42.4664 102.608 High carbon,Dark 74.84004666666667 28.9995 148.193 High carbon,Light 65.82390307692307 2.30055 143.31 Low carbon,Dark 23.6111 23.6111 23.6111 Phloroglucinol 18.68951 5.48793 25.8962 Silicon starvation,12h 52.2878 52.2878 52.2878