condition mean min max 12pM Fe,Midday 36.517 36.517 36.517 12pM Fe,Midnight 25.4783 23.9829 26.9737 58pM Fe,Midday 22.4975 22.4975 22.4975 58pM Fe,Midnight 15.652000000000001 0.0 20.8379 233pM Fe,Midnight 12.761666666666667 11.777 13.7087 1160pM Fe,Midday 14.882214285714285 13.7154 17.0424 1160pM Fe,Midnight 12.545833333333333 10.0084 16.7865 High carbon,Dark 21.59444 10.6039 34.8273 High carbon,Light 18.761676153846153 3.35121 41.2745 Low carbon,Dark 8.31851 8.31851 8.31851 Phloroglucinol 23.705933333333334 14.2214 39.5274 Silicon starvation,12h 23.9809 23.9809 23.9809