condition mean min max 12pM Fe,Midday 45.1957 45.1957 45.1957 12pM Fe,Midnight 30.025149999999996 27.7366 32.3137 58pM Fe,Midday 35.7065 35.7065 35.7065 58pM Fe,Midnight 16.685685714285714 0.0 21.2082 233pM Fe,Midnight 12.188533333333332 10.3036 14.5086 1160pM Fe,Midday 27.63574285714286 21.0026 32.0273 1160pM Fe,Midnight 5.337461666666667 2.23053 9.71003 High carbon,Dark 8.583250666666666 1.70356 18.1282 High carbon,Light 7.923341461538461 0.0 22.4232 Low carbon,Dark 13.1145 13.1145 13.1145 Phloroglucinol 25.663766666666668 17.4476 33.2662 Silicon starvation,12h 35.358 35.358 35.358