condition mean min max 12pM Fe,Midday 19.6985 19.6985 19.6985 12pM Fe,Midnight 24.8523 24.7211 24.9835 58pM Fe,Midday 26.4027 26.4027 26.4027 58pM Fe,Midnight 27.8669 24.2722 29.5467 233pM Fe,Midnight 44.6628 43.7949 45.5227 1160pM Fe,Midday 7.579702857142857 5.33042 9.08993 1160pM Fe,Midnight 64.80568333333333 25.6868 113.287 High carbon,Dark 96.5697 34.119 206.193 High carbon,Light 84.84094015384615 0.0 240.646 Low carbon,Dark 33.6301 33.6301 33.6301 Phloroglucinol 25.3136 10.8774 35.845 Silicon starvation,12h 50.1279 50.1279 50.1279