condition mean min max 12pM Fe,Midday 50.9705 50.9705 50.9705 12pM Fe,Midnight 33.49275 33.0754 33.9101 58pM Fe,Midday 34.5324 34.5324 34.5324 58pM Fe,Midnight 37.78824285714286 22.5787 98.7429 233pM Fe,Midnight 39.0542 35.703 40.8945 1160pM Fe,Midday 22.731042857142857 19.751 23.7899 1160pM Fe,Midnight 39.17086666666667 35.8459 46.6064 High carbon,Dark 40.29288 28.1431 54.7165 High carbon,Light 34.1926 10.5353 51.298 Low carbon,Dark 23.6966 23.6966 23.6966 Phloroglucinol 22.747633333333333 15.805 33.1176 Silicon starvation,12h 54.0502 54.0502 54.0502