condition mean min max 12pM Fe,Midday 32.6403 32.6403 32.6403 12pM Fe,Midnight 22.5704 22.0758 23.065 58pM Fe,Midday 26.357 26.357 26.357 58pM Fe,Midnight 25.345414285714284 12.5262 81.1411 233pM Fe,Midnight 8.392923333333332 7.73211 9.31078 1160pM Fe,Midday 9.690105714285714 8.70552 10.4741 1160pM Fe,Midnight 6.493351666666667 4.39782 8.02928 High carbon,Dark 9.123183333333333 1.0853 26.2167 High carbon,Light 5.751526384615385 0.373041 20.2389 Low carbon,Dark 8.15988 8.15988 8.15988 Phloroglucinol 3.437926666666667 2.3089 5.28732 Silicon starvation,12h 2.92206 2.92206 2.92206