condition mean min max 12pM Fe,Midday 37.5252 37.5252 37.5252 12pM Fe,Midnight 31.8509 31.006 32.6958 58pM Fe,Midday 37.2977 37.2977 37.2977 58pM Fe,Midnight 50.01651428571429 24.6521 182.736 233pM Fe,Midnight 21.5361 20.4884 22.1328 1160pM Fe,Midday 19.97694285714286 15.6249 24.0451 1160pM Fe,Midnight 8.5694625 3.60248 15.6081 High carbon,Dark 22.395763333333335 8.97565 40.3971 High carbon,Light 13.44162176923077 0.951833 36.125 Low carbon,Dark 18.3767 18.3767 18.3767 Phloroglucinol 37.9659 30.9229 42.0262 Silicon starvation,12h 25.7378 25.7378 25.7378