condition mean min max 12pM Fe,Midday 14.4915 14.4915 14.4915 12pM Fe,Midnight 14.60605 14.1415 15.0706 58pM Fe,Midday 14.6993 14.6993 14.6993 58pM Fe,Midnight 11.593521428571428 0.0 15.381 233pM Fe,Midnight 4.418903333333334 4.25216 4.62249 1160pM Fe,Midday 6.7461528571428575 3.33538 10.2283 1160pM Fe,Midnight 5.253605833333333 2.81876 7.41314 High carbon,Dark 8.858996466666667 0.560197 24.2155 High carbon,Light 7.8865261538461535 0.0 16.7573 Low carbon,Dark 8.04083 8.04083 8.04083 Phloroglucinol 0.601013 0.221482 1.34075 Silicon starvation,12h 0.402205 0.402205 0.402205