condition mean min max 12pM Fe,Midday 40.1046 40.1046 40.1046 12pM Fe,Midnight 32.21815 29.8708 34.5655 58pM Fe,Midday 39.3753 39.3753 39.3753 58pM Fe,Midnight 31.9441 0.0 44.3988 233pM Fe,Midnight 26.979633333333332 24.6904 29.2198 1160pM Fe,Midday 23.73737142857143 18.4588 29.6869 1160pM Fe,Midnight 46.410175 33.6204 68.7823 High carbon,Dark 81.10847133333333 5.22437 199.502 High carbon,Light 68.00422307692308 32.4195 152.979 Low carbon,Dark 66.5075 66.5075 66.5075 Phloroglucinol 13.700936666666667 9.03051 16.3521 Silicon starvation,12h 45.3239 45.3239 45.3239