condition mean min max 12pM Fe,Midday 47.3482 47.3482 47.3482 12pM Fe,Midnight 41.071 39.3004 42.8416 58pM Fe,Midday 36.4312 36.4312 36.4312 58pM Fe,Midnight 21.715642857142857 0.0 27.7991 233pM Fe,Midnight 21.6316 21.1349 22.5146 1160pM Fe,Midday 28.43187142857143 26.5956 33.5216 1160pM Fe,Midnight 32.026475 15.3693 48.5349 High carbon,Dark 30.726133333333333 15.4051 46.7926 High carbon,Light 36.41279 6.37389 95.9365 Low carbon,Dark 17.4427 17.4427 17.4427 Phloroglucinol 35.42693333333334 27.9189 43.7792 Silicon starvation,12h 39.6565 39.6565 39.6565