condition mean min max 12pM Fe,Midday 15.2675 15.2675 15.2675 12pM Fe,Midnight 14.75405 14.5166 14.9915 58pM Fe,Midday 10.0355 10.0355 10.0355 58pM Fe,Midnight 7.1876171428571425 0.0 10.4395 233pM Fe,Midnight 5.9985 5.80023 6.35457 1160pM Fe,Midday 7.102930000000001 6.17881 8.54967 1160pM Fe,Midnight 2.5504883333333335 1.14639 5.33026 High carbon,Dark 5.196123066666667 0.390166 10.4064 High carbon,Light 4.159250692307692 0.403859 13.9019 Low carbon,Dark 5.67065 5.67065 5.67065 Phloroglucinol 6.648553333333333 6.01354 7.72701 Silicon starvation,12h 17.4975 17.4975 17.4975