condition mean min max 12pM Fe,Midday 11.5131 11.5131 11.5131 12pM Fe,Midnight 24.7685 23.6224 25.9146 58pM Fe,Midday 8.51273 8.51273 8.51273 58pM Fe,Midnight 27.91277142857143 20.3662 56.0653 233pM Fe,Midnight 18.39646666666667 16.577 20.0368 1160pM Fe,Midday 6.032554285714285 4.60917 8.41634 1160pM Fe,Midnight 31.928408333333334 27.751 43.5883 High carbon,Dark 12.976952 5.77692 16.7208 High carbon,Light 9.621725384615385 6.42472 12.514 Low carbon,Dark 6.15072 6.15072 6.15072 Phloroglucinol 3.891853333333333 3.43843 4.34843 Silicon starvation,12h 20.8184 20.8184 20.8184