condition mean min max 12pM Fe,Midday 4.97736 4.97736 4.97736 12pM Fe,Midnight 30.8493 30.3721 31.3265 58pM Fe,Midday 3.94662 3.94662 3.94662 58pM Fe,Midnight 21.51487142857143 0.0 28.2063 233pM Fe,Midnight 19.8125 19.1959 20.5964 1160pM Fe,Midday 0.6926044285714286 0.496611 0.936911 1160pM Fe,Midnight 17.664233333333335 15.9419 19.885 High carbon,Dark 15.861922666666667 6.32066 27.2041 High carbon,Light 6.448377076923077 0.989432 20.2217 Low carbon,Dark 10.1888 10.1888 10.1888 Phloroglucinol 11.67606 8.99228 14.7974 Silicon starvation,12h 4.45023 4.45023 4.45023