condition mean min max 12pM Fe,Midday 45.8918 45.8918 45.8918 12pM Fe,Midnight 36.33215 35.7854 36.8789 58pM Fe,Midday 32.8139 32.8139 32.8139 58pM Fe,Midnight 23.723314285714284 15.3563 41.1967 233pM Fe,Midnight 10.699133333333334 10.6398 10.7536 1160pM Fe,Midday 15.545857142857143 14.0671 17.6127 1160pM Fe,Midnight 9.449370833333333 6.98771 11.6614 High carbon,Dark 14.357907333333333 1.65308 36.6627 High carbon,Light 10.441095384615386 2.0834 24.7077 Low carbon,Dark 12.6171 12.6171 12.6171 Phloroglucinol 9.07766 8.27853 9.86935 Silicon starvation,12h 3.29684 3.29684 3.29684