condition mean min max 12pM Fe,Midday 15.226 15.226 15.226 12pM Fe,Midnight 13.5876 12.7802 14.395 58pM Fe,Midday 18.3719 18.3719 18.3719 58pM Fe,Midnight 19.474785714285716 0.0 36.2162 233pM Fe,Midnight 20.187033333333336 18.0191 24.1368 1160pM Fe,Midday 6.897578571428571 3.26551 11.6871 1160pM Fe,Midnight 6.975061666666667 4.45131 9.3676 High carbon,Dark 22.688807333333333 2.19384 42.5015 High carbon,Light 11.55194 2.56304 32.4481 Low carbon,Dark 8.997 8.997 8.997 Phloroglucinol 14.939166666666667 10.4084 18.3773 Silicon starvation,12h 25.2019 25.2019 25.2019