condition mean min max 12pM Fe,Midday 27.3492 27.3492 27.3492 12pM Fe,Midnight 26.8806 25.934 27.8272 58pM Fe,Midday 29.8247 29.8247 29.8247 58pM Fe,Midnight 13.400542857142858 0.0 16.9103 233pM Fe,Midnight 11.4372 10.7221 12.4495 1160pM Fe,Midday 11.421137142857143 8.63166 13.9343 1160pM Fe,Midnight 6.2878316666666665 3.44671 10.2892 High carbon,Dark 17.16782226666667 0.468614 38.2033 High carbon,Light 17.504055384615384 2.80025 47.904 Low carbon,Dark 10.5699 10.5699 10.5699 Phloroglucinol 13.253066666666667 10.0974 18.6331 Silicon starvation,12h 7.40192 7.40192 7.40192