condition mean min max 12pM Fe,Midday 48.5628 48.5628 48.5628 12pM Fe,Midnight 44.03335 41.6861 46.3806 58pM Fe,Midday 43.8476 43.8476 43.8476 58pM Fe,Midnight 28.59294285714286 0.0 37.6224 233pM Fe,Midnight 23.703266666666664 15.3745 29.3176 1160pM Fe,Midday 31.92787142857143 26.7776 37.6895 1160pM Fe,Midnight 31.545183333333334 24.0707 44.5257 High carbon,Dark 39.189166666666665 16.4398 85.9788 High carbon,Light 32.200581538461535 8.16844 78.5576 Low carbon,Dark 20.936 20.936 20.936 Phloroglucinol 42.4281 34.4674 53.3425 Silicon starvation,12h 35.2433 35.2433 35.2433