condition mean min max 12pM Fe,Midday 131.575 131.575 131.575 12pM Fe,Midnight 124.7385 119.582 129.895 58pM Fe,Midday 85.5962 85.5962 85.5962 58pM Fe,Midnight 130.3674 65.8778 155.977 233pM Fe,Midnight 61.457966666666664 60.5902 63.1284 1160pM Fe,Midday 51.21457142857143 48.4184 55.5514 1160pM Fe,Midnight 103.29005000000001 76.3639 126.433 High carbon,Dark 57.071893333333335 37.4606 83.5843 High carbon,Light 47.09011538461539 18.7172 57.4354 Low carbon,Dark 26.4998 26.4998 26.4998 Phloroglucinol 71.49546666666666 57.7139 84.7183 Silicon starvation,12h 46.1826 46.1826 46.1826