condition mean min max 12pM Fe,Midday 31.5253 31.5253 31.5253 12pM Fe,Midnight 25.40885 21.0029 29.8148 58pM Fe,Midday 29.2026 29.2026 29.2026 58pM Fe,Midnight 16.208571428571428 0.0 20.7315 233pM Fe,Midnight 15.289666666666665 14.3471 16.1836 1160pM Fe,Midday 17.35257142857143 15.1372 20.3938 1160pM Fe,Midnight 10.520763333333333 7.63105 14.516 High carbon,Dark 11.873941333333333 1.61106 28.1056 High carbon,Light 11.072635384615385 1.15996 22.5744 Low carbon,Dark 16.0086 16.0086 16.0086 Phloroglucinol 13.065633333333333 11.112 14.3254 Silicon starvation,12h 44.562 44.562 44.562