condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0745405 0.0 0.149081 58pM Fe,Midday 0.514341 0.514341 0.514341 58pM Fe,Midnight 0.26930842857142856 0.0 0.786208 233pM Fe,Midnight 0.21226276666666666 0.0905003 0.276039 1160pM Fe,Midday 0.3596464285714286 0.114277 0.558214 1160pM Fe,Midnight 0.3386323333333333 0.0 0.918002 High carbon,Dark 13.225966666666666 0.187221 62.1491 High carbon,Light 3.117565 0.0 13.7231 Low carbon,Dark 0.944553 0.944553 0.944553 Phloroglucinol 4.660243333333333 3.95057 5.84136 Silicon starvation,12h 3.14192 3.14192 3.14192