condition mean min max 12pM Fe,Midday 33.1478 33.1478 33.1478 12pM Fe,Midnight 21.791249999999998 19.8009 23.7816 58pM Fe,Midday 21.3483 21.3483 21.3483 58pM Fe,Midnight 11.348814285714285 0.0 17.1878 233pM Fe,Midnight 9.088896666666667 8.36883 10.144 1160pM Fe,Midday 17.898 16.7835 19.5859 1160pM Fe,Midnight 10.663971666666667 3.57347 20.0493 High carbon,Dark 9.940752 2.66011 20.2718 High carbon,Light 9.879482307692308 1.48212 27.664 Low carbon,Dark 6.1364 6.1364 6.1364 Phloroglucinol 5.6791833333333335 4.07538 6.86085 Silicon starvation,12h 21.7249 21.7249 21.7249