condition mean min max 12pM Fe,Midday 25.0545 25.0545 25.0545 12pM Fe,Midnight 29.68425 29.0943 30.2742 58pM Fe,Midday 23.9791 23.9791 23.9791 58pM Fe,Midnight 28.969057142857142 25.9666 30.5425 233pM Fe,Midnight 27.113466666666667 26.6249 27.6126 1160pM Fe,Midday 17.08347142857143 15.121 18.8645 1160pM Fe,Midnight 17.618391666666668 10.7524 26.4258 High carbon,Dark 26.218651333333334 3.82047 42.0148 High carbon,Light 18.255293076923078 1.2863 31.6037 Low carbon,Dark 19.8222 19.8222 19.8222 Phloroglucinol 13.091103333333333 7.11181 20.9016 Silicon starvation,12h 24.7285 24.7285 24.7285