condition mean min max 12pM Fe,Midday 2.01621 2.01621 2.01621 12pM Fe,Midnight 32.1439 29.3548 34.933 58pM Fe,Midday 0.991129 0.991129 0.991129 58pM Fe,Midnight 45.690485714285714 0.0 94.9007 233pM Fe,Midnight 35.7119 34.44 38.227 1160pM Fe,Midday 9.379145714285714 7.59423 12.1025 1160pM Fe,Midnight 58.01958333333333 34.5305 95.1622 High carbon,Dark 15.662262666666667 2.34698 58.9024 High carbon,Light 15.28756876923077 0.0 55.2295 Low carbon,Dark 4.73237 4.73237 4.73237 Phloroglucinol 1.8362166666666668 1.69958 1.98415 Silicon starvation,12h 3.82386 3.82386 3.82386