condition mean min max 12pM Fe,Midday 27.8669 27.8669 27.8669 12pM Fe,Midnight 22.2108 21.304 23.1176 58pM Fe,Midday 17.1753 17.1753 17.1753 58pM Fe,Midnight 16.66894285714286 13.7452 25.3683 233pM Fe,Midnight 10.0706 9.7764 10.3248 1160pM Fe,Midday 13.182785714285714 12.0956 14.128 1160pM Fe,Midnight 8.444336666666667 4.22788 13.4046 High carbon,Dark 11.955022666666666 3.19145 20.0598 High carbon,Light 6.637926923076924 1.09231 16.1993 Low carbon,Dark 9.33484 9.33484 9.33484 Phloroglucinol 17.043266666666668 12.8562 22.4377 Silicon starvation,12h 14.5155 14.5155 14.5155