condition mean min max 12pM Fe,Midday 31.3515 31.3515 31.3515 12pM Fe,Midnight 25.43075 25.2575 25.604 58pM Fe,Midday 22.6826 22.6826 22.6826 58pM Fe,Midnight 29.017785714285715 18.8717 65.5591 233pM Fe,Midnight 18.218033333333334 17.2852 18.9774 1160pM Fe,Midday 22.248728571428572 19.926 23.5126 1160pM Fe,Midnight 23.585841666666667 20.082 26.6515 High carbon,Dark 24.664460000000002 15.6553 36.9504 High carbon,Light 21.962173846153846 2.87286 36.3391 Low carbon,Dark 11.6874 11.6874 11.6874 Phloroglucinol 68.9304 64.535 77.021 Silicon starvation,12h 26.4423 26.4423 26.4423