condition mean min max 12pM Fe,Midday 39.8757 39.8757 39.8757 12pM Fe,Midnight 24.541800000000002 21.5985 27.4851 58pM Fe,Midday 22.2362 22.2362 22.2362 58pM Fe,Midnight 16.208242857142857 0.0 22.7935 233pM Fe,Midnight 13.428566666666667 12.546 15.1228 1160pM Fe,Midday 19.405985714285713 17.7029 21.0427 1160pM Fe,Midnight 10.574315833333333 7.89834 12.3558 High carbon,Dark 18.767 11.1917 27.5604 High carbon,Light 16.908547692307693 3.09462 34.961 Low carbon,Dark 12.8243 12.8243 12.8243 Phloroglucinol 25.3217 15.4868 43.015 Silicon starvation,12h 23.2789 23.2789 23.2789