condition mean min max 12pM Fe,Midday 21.3755 21.3755 21.3755 12pM Fe,Midnight 17.798099999999998 16.3337 19.2625 58pM Fe,Midday 18.057 18.057 18.057 58pM Fe,Midnight 20.295457142857142 13.4889 51.8822 233pM Fe,Midnight 13.1095 13.0275 13.1882 1160pM Fe,Midday 16.192028571428573 14.8217 17.2927 1160pM Fe,Midnight 13.3758575 6.91792 18.4075 High carbon,Dark 11.551018666666666 3.39305 19.8691 High carbon,Light 8.501212307692308 1.89019 16.4801 Low carbon,Dark 8.9858 8.9858 8.9858 Phloroglucinol 17.005766666666666 15.6084 18.9379 Silicon starvation,12h 25.4714 25.4714 25.4714