condition mean min max 12pM Fe,Midday 38.2611 38.2611 38.2611 12pM Fe,Midnight 35.632000000000005 35.4958 35.7682 58pM Fe,Midday 30.5245 30.5245 30.5245 58pM Fe,Midnight 31.864314285714286 29.7685 36.6612 233pM Fe,Midnight 26.730766666666668 25.728 27.5857 1160pM Fe,Midday 22.061485714285716 20.4219 23.3333 1160pM Fe,Midnight 19.96291666666667 12.3991 28.946 High carbon,Dark 28.520891333333335 9.88897 39.1724 High carbon,Light 23.276814615384616 4.48475 43.1046 Low carbon,Dark 20.7802 20.7802 20.7802 Phloroglucinol 17.575233333333333 10.9537 24.8729 Silicon starvation,12h 32.5367 32.5367 32.5367