condition mean min max 12pM Fe,Midday 47.988 47.988 47.988 12pM Fe,Midnight 43.72135 42.0293 45.4134 58pM Fe,Midday 45.6273 45.6273 45.6273 58pM Fe,Midnight 34.04542857142857 29.3637 47.9862 233pM Fe,Midnight 20.625566666666668 20.0409 21.2396 1160pM Fe,Midday 30.279085714285713 28.0137 31.5271 1160pM Fe,Midnight 18.7481 14.7181 24.1466 High carbon,Dark 17.461036666666665 7.06391 30.0309 High carbon,Light 13.595007692307693 1.50991 31.6039 Low carbon,Dark 13.819 13.819 13.819 Phloroglucinol 28.930266666666668 17.8901 45.4317 Silicon starvation,12h 23.8859 23.8859 23.8859