condition mean min max 12pM Fe,Midday 50.985 50.985 50.985 12pM Fe,Midnight 17.9819 13.023 22.9408 58pM Fe,Midday 16.2252 16.2252 16.2252 58pM Fe,Midnight 15.298092857142857 0.0 26.0773 233pM Fe,Midnight 11.4619 10.3054 12.7531 1160pM Fe,Midday 34.200514285714284 22.688 46.4469 1160pM Fe,Midnight 4.755886666666667 1.0089 8.26988 High carbon,Dark 10.928249 0.0 26.2271 High carbon,Light 34.30066923076923 1.57977 77.1676 Low carbon,Dark 7.99418 7.99418 7.99418 Phloroglucinol 16.126853333333333 9.80876 25.1649 Silicon starvation,12h 24.9375 24.9375 24.9375