condition mean min max 12pM Fe,Midday 203.473 203.473 203.473 12pM Fe,Midnight 183.937 170.56 197.314 58pM Fe,Midday 169.894 169.894 169.894 58pM Fe,Midnight 174.299 0.0 227.198 233pM Fe,Midnight 119.72433333333333 116.394 122.889 1160pM Fe,Midday 176.54171428571428 167.274 181.402 1160pM Fe,Midnight 199.014475 65.2978 279.872 High carbon,Dark 235.6762 45.3113 410.914 High carbon,Light 208.76811538461538 35.5183 448.699 Low carbon,Dark 204.424 204.424 204.424 Phloroglucinol 118.09666666666666 101.286 135.233 Silicon starvation,12h 255.152 255.152 255.152