condition mean min max 12pM Fe,Midday 0.514044 0.514044 0.514044 12pM Fe,Midnight 0.267293 0.0 0.534586 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.22969 0.0 0.813234 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.05774814285714286 0.0 0.404237 1160pM Fe,Midnight 0.031056749999999998 0.0 0.372681 High carbon,Dark 1.9435771333333334 0.0 8.28659 High carbon,Light 1.601446076923077 0.0 3.88039 Low carbon,Dark 5.01182 5.01182 5.01182 Phloroglucinol 3.2030866666666666 1.93268 4.87483 Silicon starvation,12h 1.1699 1.1699 1.1699