condition mean min max 12pM Fe,Midday 46.0205 46.0205 46.0205 12pM Fe,Midnight 20.0491 19.9604 20.1378 58pM Fe,Midday 49.0197 49.0197 49.0197 58pM Fe,Midnight 20.371657142857142 0.0 27.4285 233pM Fe,Midnight 41.40336666666667 38.8474 44.3468 1160pM Fe,Midday 19.41765714285714 16.9514 23.5657 1160pM Fe,Midnight 35.455025 18.0771 55.7254 High carbon,Dark 78.46162 35.9512 150.214 High carbon,Light 71.71903692307693 6.49978 167.437 Low carbon,Dark 35.4415 35.4415 35.4415 Phloroglucinol 24.837733333333333 13.6512 33.0745 Silicon starvation,12h 78.925 78.925 78.925