condition mean min max 12pM Fe,Midday 4.7235 4.7235 4.7235 12pM Fe,Midnight 4.10961 3.08368 5.13554 58pM Fe,Midday 3.60963 3.60963 3.60963 58pM Fe,Midnight 1.9448842857142856 0.0 3.01211 233pM Fe,Midnight 3.5785066666666667 3.39866 3.72665 1160pM Fe,Midday 2.5637957142857144 1.31959 3.66024 1160pM Fe,Midnight 1.3772186666666666 0.0 3.42453 High carbon,Dark 5.4168346666666665 1.70147 11.8279 High carbon,Light 2.7770825384615385 0.505598 5.97683 Low carbon,Dark 3.83776 3.83776 3.83776 Phloroglucinol 1.7626596666666667 0.542962 3.80324 Silicon starvation,12h 8.9177 8.9177 8.9177