condition mean min max 12pM Fe,Midday 33.1319 33.1319 33.1319 12pM Fe,Midnight 36.01935 26.9655 45.0732 58pM Fe,Midday 56.0841 56.0841 56.0841 58pM Fe,Midnight 20.631185714285714 0.0 34.6506 233pM Fe,Midnight 39.3392 36.333 41.5008 1160pM Fe,Midday 30.463814285714285 22.777 34.5402 1160pM Fe,Midnight 27.1841 15.0636 40.3802 High carbon,Dark 24.872546666666665 12.0238 40.911 High carbon,Light 20.830553846153848 1.95131 36.0048 Low carbon,Dark 24.5783 24.5783 24.5783 Phloroglucinol 24.653333333333332 14.5716 31.4057 Silicon starvation,12h 43.0296 43.0296 43.0296