condition mean min max 12pM Fe,Midday 30.8779 30.8779 30.8779 12pM Fe,Midnight 18.102800000000002 17.995 18.2106 58pM Fe,Midday 30.226 30.226 30.226 58pM Fe,Midnight 19.627542857142856 12.0553 53.0275 233pM Fe,Midnight 10.814166666666667 10.0118 11.5193 1160pM Fe,Midday 20.182657142857142 18.8702 22.8054 1160pM Fe,Midnight 9.027034166666667 3.2165 13.4033 High carbon,Dark 17.973451999999998 7.81384 39.3976 High carbon,Light 21.545171615384614 0.702541 66.5088 Low carbon,Dark 11.8773 11.8773 11.8773 Phloroglucinol 26.7544 22.6205 31.7082 Silicon starvation,12h 32.591 32.591 32.591