condition mean min max 12pM Fe,Midday 21.6798 21.6798 21.6798 12pM Fe,Midnight 24.34885 22.5461 26.1516 58pM Fe,Midday 15.178 15.178 15.178 58pM Fe,Midnight 18.510014285714288 0.0 25.3895 233pM Fe,Midnight 16.1004 14.6207 18.1018 1160pM Fe,Midday 17.269814285714286 13.4891 19.501 1160pM Fe,Midnight 11.843796666666666 6.67843 21.8777 High carbon,Dark 20.742809333333334 8.31974 51.3528 High carbon,Light 12.659873846153847 2.0052 29.5915 Low carbon,Dark 10.0654 10.0654 10.0654 Phloroglucinol 14.9382 14.1823 15.4197 Silicon starvation,12h 16.8083 16.8083 16.8083