condition mean min max 12pM Fe,Midday 52.4451 52.4451 52.4451 12pM Fe,Midnight 357.11 327.944 386.276 58pM Fe,Midday 47.5957 47.5957 47.5957 58pM Fe,Midnight 432.36914285714283 239.019 518.889 233pM Fe,Midnight 459.8413333333333 452.441 464.525 1160pM Fe,Midday 195.29071428571427 179.118 205.331 1160pM Fe,Midnight 430.5204166666667 396.342 471.368 High carbon,Dark 246.54354 25.0432 527.331 High carbon,Light 320.6102769230769 20.1876 991.188 Low carbon,Dark 278.062 278.062 278.062 Phloroglucinol 63.831833333333336 41.686 75.2067 Silicon starvation,12h 335.122 335.122 335.122