condition mean min max 12pM Fe,Midday 1.774 1.774 1.774 12pM Fe,Midnight 1.52909 1.21329 1.84489 58pM Fe,Midday 2.09296 2.09296 2.09296 58pM Fe,Midnight 3.93235 0.0 5.9891 233pM Fe,Midnight 2.466423333333333 1.1048 3.2991 1160pM Fe,Midday 1.5922324285714287 0.0 4.54298 1160pM Fe,Midnight 5.3158825 1.28615 9.11473 High carbon,Dark 9.2725936 0.937227 23.6918 High carbon,Light 3.0651784615384616 0.0 7.66464 Low carbon,Dark 0.960897 0.960897 0.960897 Phloroglucinol 9.867687 0.741091 26.9927 Silicon starvation,12h 4.03741 4.03741 4.03741