condition mean min max 12pM Fe,Midday 31.0725 31.0725 31.0725 12pM Fe,Midnight 31.993450000000003 31.3918 32.5951 58pM Fe,Midday 28.63 28.63 28.63 58pM Fe,Midnight 33.97271428571429 30.5584 48.0254 233pM Fe,Midnight 22.06243333333333 21.7322 22.4118 1160pM Fe,Midday 24.600714285714286 21.0209 26.9241 1160pM Fe,Midnight 26.181825 19.3524 36.0575 High carbon,Dark 23.568606666666668 11.9301 73.5372 High carbon,Light 33.24055153846154 1.61087 102.718 Low carbon,Dark 11.7448 11.7448 11.7448 Phloroglucinol 121.637 111.163 131.47 Silicon starvation,12h 22.445 22.445 22.445