condition mean min max 12pM Fe,Midday 12.6985 12.6985 12.6985 12pM Fe,Midnight 22.85705 19.9625 25.7516 58pM Fe,Midday 10.7136 10.7136 10.7136 58pM Fe,Midnight 24.567185714285714 0.0 36.2078 233pM Fe,Midnight 17.2864 15.5199 20.0465 1160pM Fe,Midday 9.932975714285714 7.4314 11.9685 1160pM Fe,Midnight 12.559215 7.23769 15.7465 High carbon,Dark 10.461409333333334 3.74012 16.774 High carbon,Light 9.06312523076923 0.421783 32.9521 Low carbon,Dark 12.9566 12.9566 12.9566 Phloroglucinol 25.2379 21.471 30.9037 Silicon starvation,12h 20.8351 20.8351 20.8351