condition mean min max 12pM Fe,Midday 42.7461 42.7461 42.7461 12pM Fe,Midnight 57.455749999999995 54.8159 60.0956 58pM Fe,Midday 42.0264 42.0264 42.0264 58pM Fe,Midnight 42.08201428571429 0.0 56.3548 233pM Fe,Midnight 46.07106666666667 40.0977 50.5428 1160pM Fe,Midday 39.08378571428572 35.7796 44.1788 1160pM Fe,Midnight 30.69145 24.9648 44.2305 High carbon,Dark 32.486336 5.28588 141.146 High carbon,Light 38.00034384615385 9.78647 104.96 Low carbon,Dark 31.5147 31.5147 31.5147 Phloroglucinol 36.746433333333336 35.5328 37.752 Silicon starvation,12h 40.5354 40.5354 40.5354