condition mean min max 12pM Fe,Midday 17.8169 17.8169 17.8169 12pM Fe,Midnight 16.25905 14.9645 17.5536 58pM Fe,Midday 15.3042 15.3042 15.3042 58pM Fe,Midnight 11.057957142857143 0.0 14.9612 233pM Fe,Midnight 10.101183333333333 9.23615 10.5556 1160pM Fe,Midday 12.29132857142857 10.9958 15.0488 1160pM Fe,Midnight 4.0073775000000005 2.18529 5.79774 High carbon,Dark 8.660218666666667 3.54135 18.9855 High carbon,Light 6.305711538461538 1.34947 13.7022 Low carbon,Dark 7.28027 7.28027 7.28027 Phloroglucinol 10.50088 6.79012 15.688 Silicon starvation,12h 18.4368 18.4368 18.4368