condition mean min max 12pM Fe,Midday 0.876542 0.876542 0.876542 12pM Fe,Midnight 2.5642750000000003 2.43085 2.6977 58pM Fe,Midday 0.258535 0.258535 0.258535 58pM Fe,Midnight 16.359022857142858 1.03794 103.866 233pM Fe,Midnight 0.9134763333333333 0.905609 0.925014 1160pM Fe,Midday 0.8229808571428572 0.474384 1.16871 1160pM Fe,Midnight 0.9767451666666667 0.0 1.81058 High carbon,Dark 0.9307006 0.0 2.65536 High carbon,Light 0.8996192307692308 0.0 2.16407 Low carbon,Dark 1.42435 1.42435 1.42435 Phloroglucinol 1.005275 0.73889 1.28162 Silicon starvation,12h 0.831209 0.831209 0.831209