condition mean min max 12pM Fe,Midday 342.621 342.621 342.621 12pM Fe,Midnight 275.642 260.733 290.551 58pM Fe,Midday 314.196 314.196 314.196 58pM Fe,Midnight 207.46585714285715 183.646 242.452 233pM Fe,Midnight 92.76786666666666 90.2702 94.0965 1160pM Fe,Midday 124.42257142857143 103.849 147.813 1160pM Fe,Midnight 198.38766666666666 96.0977 262.445 High carbon,Dark 128.83526466666666 1.44551 404.314 High carbon,Light 75.83067461538461 1.3289 378.599 Low carbon,Dark 157.094 157.094 157.094 Phloroglucinol 22.422933333333333 16.5699 26.2892 Silicon starvation,12h 0.345946 0.345946 0.345946