condition mean min max 12pM Fe,Midday 55.6337 55.6337 55.6337 12pM Fe,Midnight 28.42005 27.4705 29.3696 58pM Fe,Midday 36.8225 36.8225 36.8225 58pM Fe,Midnight 22.715142857142858 0.0 32.3915 233pM Fe,Midnight 17.00423333333333 16.2582 18.2885 1160pM Fe,Midday 29.504585714285714 26.1105 32.1056 1160pM Fe,Midnight 13.262014166666667 7.74291 19.5464 High carbon,Dark 25.70566 3.9761 45.3448 High carbon,Light 21.005985384615386 1.91128 36.1669 Low carbon,Dark 15.8265 15.8265 15.8265 Phloroglucinol 16.983033333333335 12.4836 19.8062 Silicon starvation,12h 30.9822 30.9822 30.9822