condition mean min max 12pM Fe,Midday 44.8316 44.8316 44.8316 12pM Fe,Midnight 36.8035 35.4335 38.1735 58pM Fe,Midday 30.6774 30.6774 30.6774 58pM Fe,Midnight 26.20072857142857 0.0 36.0986 233pM Fe,Midnight 30.41763333333333 29.1434 32.7007 1160pM Fe,Midday 20.726285714285716 18.0519 22.3875 1160pM Fe,Midnight 26.000225 17.6609 39.841 High carbon,Dark 27.425648 7.10552 48.7824 High carbon,Light 18.10754076923077 4.25098 28.4129 Low carbon,Dark 26.7115 26.7115 26.7115 Phloroglucinol 20.313833333333335 16.8171 24.7405 Silicon starvation,12h 47.9546 47.9546 47.9546