condition mean min max 12pM Fe,Midday 49.8961 49.8961 49.8961 12pM Fe,Midnight 45.1439 44.9075 45.3803 58pM Fe,Midday 45.8978 45.8978 45.8978 58pM Fe,Midnight 39.93861428571429 33.0594 70.2008 233pM Fe,Midnight 25.5471 24.8504 25.9495 1160pM Fe,Midday 32.997414285714285 30.1742 35.8566 1160pM Fe,Midnight 13.34215 10.2717 16.8262 High carbon,Dark 20.989391333333334 6.88578 33.5932 High carbon,Light 11.465994615384615 1.56978 18.1813 Low carbon,Dark 16.2587 16.2587 16.2587 Phloroglucinol 27.493866666666666 23.0166 31.1241 Silicon starvation,12h 18.5767 18.5767 18.5767