condition mean min max 12pM Fe,Midday 53.6152 53.6152 53.6152 12pM Fe,Midnight 32.12265 20.792 43.4533 58pM Fe,Midday 51.8489 51.8489 51.8489 58pM Fe,Midnight 21.69026857142857 6.99839 65.1469 233pM Fe,Midnight 11.003123333333333 9.92927 11.7198 1160pM Fe,Midday 8.962222857142857 6.27829 13.6371 1160pM Fe,Midnight 50.71158333333333 27.1708 73.8481 High carbon,Dark 16.236881333333333 4.35686 29.9813 High carbon,Light 8.303875384615385 2.48243 21.9487 Low carbon,Dark 7.44482 7.44482 7.44482 Phloroglucinol 7.81275 4.70829 11.2386 Silicon starvation,12h 9.72262 9.72262 9.72262