condition mean min max 12pM Fe,Midday 101.301 101.301 101.301 12pM Fe,Midnight 143.6205 131.732 155.509 58pM Fe,Midday 56.913 56.913 56.913 58pM Fe,Midnight 118.76712857142857 59.1905 415.465 233pM Fe,Midnight 25.238333333333333 21.4731 31.0583 1160pM Fe,Midday 28.081814285714284 22.357 40.9565 1160pM Fe,Midnight 27.372041666666668 10.3862 47.819 High carbon,Dark 167.1978 44.4564 422.383 High carbon,Light 71.84054615384615 18.3615 318.493 Low carbon,Dark 37.9826 37.9826 37.9826 Phloroglucinol 25.503466666666668 19.8 28.8416 Silicon starvation,12h 2.65987 2.65987 2.65987