condition mean min max 12pM Fe,Midday 34.9289 34.9289 34.9289 12pM Fe,Midnight 29.70115 27.1782 32.2241 58pM Fe,Midday 31.1291 31.1291 31.1291 58pM Fe,Midnight 22.219271428571428 0.0 29.2195 233pM Fe,Midnight 27.369866666666667 22.8985 31.9811 1160pM Fe,Midday 24.121014285714285 21.1078 26.8196 1160pM Fe,Midnight 14.814955 9.92136 19.5065 High carbon,Dark 30.939 15.216 44.0248 High carbon,Light 24.773261538461536 13.519 34.8978 Low carbon,Dark 27.7666 27.7666 27.7666 Phloroglucinol 24.566266666666667 19.0643 31.33 Silicon starvation,12h 47.4676 47.4676 47.4676