condition mean min max 12pM Fe,Midday 32.0703 32.0703 32.0703 12pM Fe,Midnight 19.46715 14.5242 24.4101 58pM Fe,Midday 21.5119 21.5119 21.5119 58pM Fe,Midnight 11.90555 0.0 16.2209 233pM Fe,Midnight 12.634400000000001 10.9021 16.0485 1160pM Fe,Midday 20.7206 17.0392 25.2421 1160pM Fe,Midnight 13.443970833333333 6.89525 21.2355 High carbon,Dark 13.999648 6.55107 20.4489 High carbon,Light 13.364682307692307 1.45122 27.0521 Low carbon,Dark 5.88374 5.88374 5.88374 Phloroglucinol 30.0296 21.3926 36.6267 Silicon starvation,12h 28.2535 28.2535 28.2535