condition mean min max 12pM Fe,Midday 53.0934 53.0934 53.0934 12pM Fe,Midnight 35.640699999999995 34.9695 36.3119 58pM Fe,Midday 42.2816 42.2816 42.2816 58pM Fe,Midnight 36.79761428571429 0.0 60.1968 233pM Fe,Midnight 18.431033333333332 16.8088 19.7475 1160pM Fe,Midday 17.51074285714286 11.9543 23.6594 1160pM Fe,Midnight 11.109718333333333 5.58998 21.3011 High carbon,Dark 12.641123333333333 0.0 28.9415 High carbon,Light 7.673723846153846 0.0 18.5467 Low carbon,Dark 25.8824 25.8824 25.8824 Phloroglucinol 6.754753333333333 2.41151 12.3078 Silicon starvation,12h 15.1043 15.1043 15.1043