condition mean min max 12pM Fe,Midday 30.4011 30.4011 30.4011 12pM Fe,Midnight 31.773200000000003 28.8496 34.6968 58pM Fe,Midday 23.2015 23.2015 23.2015 58pM Fe,Midnight 21.067914285714284 0.0 27.1802 233pM Fe,Midnight 25.644033333333333 23.3399 28.0328 1160pM Fe,Midday 22.953257142857144 21.8885 24.1935 1160pM Fe,Midnight 27.45985 20.794 33.8877 High carbon,Dark 26.245251333333332 7.22757 44.1225 High carbon,Light 26.336653846153844 11.1947 40.3931 Low carbon,Dark 22.8478 22.8478 22.8478 Phloroglucinol 11.379596666666666 8.16859 15.0164 Silicon starvation,12h 50.1622 50.1622 50.1622