condition mean min max 12pM Fe,Midday 0.480483 0.480483 0.480483 12pM Fe,Midnight 0.662864 0.492922 0.832806 58pM Fe,Midday 0.566872 0.566872 0.566872 58pM Fe,Midnight 0.6359677142857143 0.0 1.13791 233pM Fe,Midnight 0.300284 0.199487 0.397133 1160pM Fe,Midday 0.271956 0.105517 0.529693 1160pM Fe,Midnight 0.2362255 0.0 0.617174 High carbon,Dark 2.9240946666666665 0.0 9.4611 High carbon,Light 1.4503778461538461 0.188578 4.46781 Low carbon,Dark 7.28716 7.28716 7.28716 Phloroglucinol 7.147083333333333 6.32884 8.5307 Silicon starvation,12h 10.5707 10.5707 10.5707