condition mean min max 12pM Fe,Midday 26.5274 26.5274 26.5274 12pM Fe,Midnight 14.16 13.3245 14.9955 58pM Fe,Midday 17.2452 17.2452 17.2452 58pM Fe,Midnight 14.888857142857143 0.0 19.2706 233pM Fe,Midnight 14.253933333333332 13.5985 14.7662 1160pM Fe,Midday 22.384114285714286 19.4094 26.8691 1160pM Fe,Midnight 11.959253333333333 8.56063 17.8122 High carbon,Dark 14.780758666666667 2.0021 33.8178 High carbon,Light 15.42519 1.06238 30.3584 Low carbon,Dark 21.1131 21.1131 21.1131 Phloroglucinol 9.750106666666666 9.61179 9.92577 Silicon starvation,12h 38.5032 38.5032 38.5032