condition mean min max 12pM Fe,Midday 28.5202 28.5202 28.5202 12pM Fe,Midnight 21.255200000000002 19.835 22.6754 58pM Fe,Midday 32.0182 32.0182 32.0182 58pM Fe,Midnight 19.662442857142857 0.0 26.6289 233pM Fe,Midnight 40.538266666666665 37.9006 42.4056 1160pM Fe,Midday 9.529382857142856 7.09051 10.9554 1160pM Fe,Midnight 74.98519999999999 56.4717 86.4357 High carbon,Dark 71.80928666666667 28.1757 144.874 High carbon,Light 64.63000823076923 0.241457 169.162 Low carbon,Dark 24.6204 24.6204 24.6204 Phloroglucinol 26.618066666666667 11.1567 36.6366 Silicon starvation,12h 65.8212 65.8212 65.8212