condition mean min max 12pM Fe,Midday 16.5554 16.5554 16.5554 12pM Fe,Midnight 18.83155 17.8005 19.8626 58pM Fe,Midday 15.6421 15.6421 15.6421 58pM Fe,Midnight 29.76167142857143 14.4465 99.7493 233pM Fe,Midnight 14.263166666666667 13.1062 16.0027 1160pM Fe,Midday 9.703254285714285 6.03604 12.5285 1160pM Fe,Midnight 7.031634166666667 4.50564 9.99815 High carbon,Dark 29.222386 4.68426 134.45 High carbon,Light 20.28369923076923 0.0 75.7447 Low carbon,Dark 12.767 12.767 12.767 Phloroglucinol 40.132266666666666 33.7595 48.7851 Silicon starvation,12h 15.167 15.167 15.167