condition mean min max 12pM Fe,Midday 43.8459 43.8459 43.8459 12pM Fe,Midnight 36.512950000000004 33.7944 39.2315 58pM Fe,Midday 34.838 34.838 34.838 58pM Fe,Midnight 29.823171428571428 24.9278 50.2254 233pM Fe,Midnight 18.21366666666667 17.4511 19.2682 1160pM Fe,Midday 21.140957142857143 20.385 22.2288 1160pM Fe,Midnight 11.93947 9.36517 13.5673 High carbon,Dark 18.779292 6.31023 34.6384 High carbon,Light 12.592665384615385 5.65605 28.2459 Low carbon,Dark 21.7341 21.7341 21.7341 Phloroglucinol 22.230933333333333 16.3197 29.6797 Silicon starvation,12h 20.874 20.874 20.874