condition mean min max 12pM Fe,Midday 47.8181 47.8181 47.8181 12pM Fe,Midnight 32.31725 31.4168 33.2177 58pM Fe,Midday 39.1364 39.1364 39.1364 58pM Fe,Midnight 24.423142857142857 16.6755 59.3322 233pM Fe,Midnight 12.851966666666668 12.7345 13.0364 1160pM Fe,Midday 26.78794285714286 24.8116 28.0436 1160pM Fe,Midnight 4.3020008333333335 2.84289 6.39204 High carbon,Dark 14.172954 3.06488 25.6492 High carbon,Light 11.079990769230768 1.47388 24.0043 Low carbon,Dark 15.5948 15.5948 15.5948 Phloroglucinol 25.5309 20.9985 32.0099 Silicon starvation,12h 23.5509 23.5509 23.5509