condition mean min max 12pM Fe,Midday 25.8078 25.8078 25.8078 12pM Fe,Midnight 18.238 17.118 19.358 58pM Fe,Midday 26.445 26.445 26.445 58pM Fe,Midnight 16.77547142857143 12.581 26.363 233pM Fe,Midnight 16.3144 15.167 17.1345 1160pM Fe,Midday 18.143671428571427 17.5951 19.3034 1160pM Fe,Midnight 16.656866666666666 10.2825 22.4204 High carbon,Dark 14.200493333333332 4.46649 21.8838 High carbon,Light 14.96046076923077 1.00457 33.7921 Low carbon,Dark 10.4842 10.4842 10.4842 Phloroglucinol 11.91354 9.65842 15.2081 Silicon starvation,12h 14.0087 14.0087 14.0087