condition mean min max 12pM Fe,Midday 51.8849 51.8849 51.8849 12pM Fe,Midnight 36.682500000000005 34.4082 38.9568 58pM Fe,Midday 29.6087 29.6087 29.6087 58pM Fe,Midnight 20.69777142857143 0.0 26.7341 233pM Fe,Midnight 20.129433333333335 18.5688 21.7757 1160pM Fe,Midday 17.63255714285714 15.0389 21.2877 1160pM Fe,Midnight 11.345364166666666 7.56667 15.3574 High carbon,Dark 29.088046666666667 15.4934 54.3619 High carbon,Light 19.165285384615384 2.24746 32.5848 Low carbon,Dark 26.8818 26.8818 26.8818 Phloroglucinol 16.8417 14.9751 20.2362 Silicon starvation,12h 33.1575 33.1575 33.1575