condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 25.6271 20.5287 30.7255 58pM Fe,Midday 0.301151 0.301151 0.301151 58pM Fe,Midnight 22.228945714285715 0.0 44.7339 233pM Fe,Midnight 0.496271 0.421954 0.635864 1160pM Fe,Midday 1.0248545714285715 0.26764 1.43681 1160pM Fe,Midnight 26.822566666666667 15.5451 41.1186 High carbon,Dark 5.490148666666667 0.0 12.9312 High carbon,Light 18.42246 0.0 40.689 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 2.284543333333333 1.91941 2.78251 Silicon starvation,12h 0.0 0.0 0.0