condition mean min max 12pM Fe,Midday 4.59957 4.59957 4.59957 12pM Fe,Midnight 3.98447 3.33933 4.62961 58pM Fe,Midday 2.61089 2.61089 2.61089 58pM Fe,Midnight 7.8673971428571425 2.63688 30.8507 233pM Fe,Midnight 3.4892600000000003 3.13215 4.16159 1160pM Fe,Midday 4.171398571428571 3.41229 5.48883 1160pM Fe,Midnight 8.431590833333333 2.64257 14.1854 High carbon,Dark 8.640983866666666 0.85152 51.7179 High carbon,Light 6.667735923076923 0.867647 15.8063 Low carbon,Dark 2.53838 2.53838 2.53838 Phloroglucinol 7.46068 4.78922 9.27248 Silicon starvation,12h 11.11 11.11 11.11