condition mean min max 12pM Fe,Midday 25.4695 25.4695 25.4695 12pM Fe,Midnight 31.9972 20.4463 43.5481 58pM Fe,Midday 23.9204 23.9204 23.9204 58pM Fe,Midnight 16.223514285714284 0.0 20.7211 233pM Fe,Midnight 29.333066666666667 28.8014 29.915 1160pM Fe,Midday 25.03417142857143 20.9115 30.1821 1160pM Fe,Midnight 21.808779166666667 9.15325 30.0213 High carbon,Dark 19.296452 6.01972 47.7207 High carbon,Light 14.031803076923076 2.36751 25.7797 Low carbon,Dark 16.7 16.7 16.7 Phloroglucinol 15.6291 11.0174 21.31 Silicon starvation,12h 27.4573 27.4573 27.4573