condition mean min max 12pM Fe,Midday 0.388353 0.388353 0.388353 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.17492528571428573 0.0 0.603839 233pM Fe,Midnight 0.16086433333333333 0.0 0.241854 1160pM Fe,Midday 0.036550714285714284 0.0 0.255855 1160pM Fe,Midnight 0.07507683333333333 0.0 0.61332 High carbon,Dark 0.9605187333333333 0.0 4.4921 High carbon,Light 0.5653431538461539 0.0 2.54018 Low carbon,Dark 0.631059 0.631059 0.631059 Phloroglucinol 3.84299 1.70346 6.87922 Silicon starvation,12h 0.220961 0.220961 0.220961