condition mean min max 12pM Fe,Midday 4.5497 4.5497 4.5497 12pM Fe,Midnight 25.16655 24.3098 26.0233 58pM Fe,Midday 1.17419 1.17419 1.17419 58pM Fe,Midnight 24.459414285714285 0.0 33.4397 233pM Fe,Midnight 24.9115 21.2701 27.7275 1160pM Fe,Midday 2.1386257142857144 1.38504 3.13059 1160pM Fe,Midnight 16.498483333333333 12.1229 21.2398 High carbon,Dark 14.363362666666667 3.30503 26.7396 High carbon,Light 6.620643076923077 1.40408 16.559 Low carbon,Dark 7.3931 7.3931 7.3931 Phloroglucinol 4.817576666666667 3.92007 6.45774 Silicon starvation,12h 25.9943 25.9943 25.9943