condition mean min max 12pM Fe,Midday 52.8903 52.8903 52.8903 12pM Fe,Midnight 33.88355 32.4779 35.2892 58pM Fe,Midday 39.9224 39.9224 39.9224 58pM Fe,Midnight 20.045142857142856 0.0 25.2009 233pM Fe,Midnight 21.573966666666667 19.7424 23.4937 1160pM Fe,Midday 30.9481 29.421 33.241 1160pM Fe,Midnight 13.829141666666667 10.9737 16.9172 High carbon,Dark 31.966413333333335 16.5252 57.2842 High carbon,Light 33.64585384615385 15.178 50.8107 Low carbon,Dark 35.1172 35.1172 35.1172 Phloroglucinol 35.49556666666667 30.6817 43.1377 Silicon starvation,12h 40.9868 40.9868 40.9868