condition mean min max 12pM Fe,Midday 17.9833 17.9833 17.9833 12pM Fe,Midnight 20.512900000000002 19.9862 21.0396 58pM Fe,Midday 21.6586 21.6586 21.6586 58pM Fe,Midnight 13.106514285714287 0.0 16.4429 233pM Fe,Midnight 8.70145 7.7415 9.96329 1160pM Fe,Midday 12.916814285714286 11.3892 16.1261 1160pM Fe,Midnight 8.662718333333332 6.82729 10.2022 High carbon,Dark 8.134663 0.893605 13.16 High carbon,Light 5.824983307692308 0.294083 15.1035 Low carbon,Dark 8.52312 8.52312 8.52312 Phloroglucinol 82.83113333333333 67.7264 92.6544 Silicon starvation,12h 13.6425 13.6425 13.6425