condition mean min max 12pM Fe,Midday 4.03658 4.03658 4.03658 12pM Fe,Midnight 15.3732 13.3933 17.3531 58pM Fe,Midday 3.40167 3.40167 3.40167 58pM Fe,Midnight 35.37972857142857 18.4007 68.331 233pM Fe,Midnight 39.98473333333333 37.1765 42.7356 1160pM Fe,Midday 4.469818571428571 2.34064 10.6375 1160pM Fe,Midnight 40.16609166666667 27.6246 55.1255 High carbon,Dark 31.515966666666667 10.5498 76.6841 High carbon,Light 18.29926153846154 1.68975 67.2693 Low carbon,Dark 10.9322 10.9322 10.9322 Phloroglucinol 4.2342 3.15963 4.84546 Silicon starvation,12h 12.3584 12.3584 12.3584