condition mean min max 12pM Fe,Midday 47.3822 47.3822 47.3822 12pM Fe,Midnight 35.4165 33.3637 37.4693 58pM Fe,Midday 34.7199 34.7199 34.7199 58pM Fe,Midnight 24.321928571428572 0.0 30.3134 233pM Fe,Midnight 37.80883333333333 34.1188 39.7746 1160pM Fe,Midday 36.069 31.6619 44.2232 1160pM Fe,Midnight 27.1402 20.8345 30.585 High carbon,Dark 45.04286666666667 25.8542 65.6281 High carbon,Light 42.12024615384615 22.0832 69.0391 Low carbon,Dark 34.086 34.086 34.086 Phloroglucinol 26.034333333333333 19.33 38.3343 Silicon starvation,12h 83.966 83.966 83.966