condition mean min max 12pM Fe,Midday 41.9001 41.9001 41.9001 12pM Fe,Midnight 22.5113 21.4924 23.5302 58pM Fe,Midday 34.3563 34.3563 34.3563 58pM Fe,Midnight 13.938057142857142 0.0 16.8397 233pM Fe,Midnight 11.301433333333334 10.4376 12.5577 1160pM Fe,Midday 19.140285714285714 14.0782 23.5851 1160pM Fe,Midnight 3.516765 1.29823 5.42091 High carbon,Dark 17.902201333333334 5.31272 37.4444 High carbon,Light 14.483493846153847 2.30227 21.9462 Low carbon,Dark 19.9719 19.9719 19.9719 Phloroglucinol 9.658196666666667 8.40182 12.0088 Silicon starvation,12h 9.21808 9.21808 9.21808