condition mean min max 12pM Fe,Midday 36.3349 36.3349 36.3349 12pM Fe,Midnight 28.7727 28.7554 28.79 58pM Fe,Midday 26.0268 26.0268 26.0268 58pM Fe,Midnight 56.1541 22.7812 246.03 233pM Fe,Midnight 19.985799999999998 18.8771 21.2536 1160pM Fe,Midday 24.646085714285714 20.6816 27.1297 1160pM Fe,Midnight 11.270665833333332 6.24752 16.3074 High carbon,Dark 16.697709333333332 2.41691 33.4269 High carbon,Light 18.12890107692308 0.407444 29.6491 Low carbon,Dark 12.3709 12.3709 12.3709 Phloroglucinol 29.372433333333333 19.9494 41.2583 Silicon starvation,12h 40.3624 40.3624 40.3624