condition mean min max 12pM Fe,Midday 25.8892 25.8892 25.8892 12pM Fe,Midnight 25.1326 21.7384 28.5268 58pM Fe,Midday 16.9689 16.9689 16.9689 58pM Fe,Midnight 18.316828571428573 0.0 24.3017 233pM Fe,Midnight 22.895066666666665 21.7352 24.2442 1160pM Fe,Midday 13.07312857142857 10.5248 18.1934 1160pM Fe,Midnight 15.800641666666667 13.0231 18.341 High carbon,Dark 12.856793333333332 7.69108 16.4195 High carbon,Light 10.53407153846154 3.89658 15.0889 Low carbon,Dark 15.5811 15.5811 15.5811 Phloroglucinol 15.429 12.4879 19.8595 Silicon starvation,12h 28.5874 28.5874 28.5874