condition mean min max 12pM Fe,Midday 29.2553 29.2553 29.2553 12pM Fe,Midnight 35.33185 33.9932 36.6705 58pM Fe,Midday 30.0956 30.0956 30.0956 58pM Fe,Midnight 24.750985714285715 20.6768 36.2364 233pM Fe,Midnight 19.95446666666667 19.8063 20.1994 1160pM Fe,Midday 18.0456 17.0578 18.9777 1160pM Fe,Midnight 17.62235 15.1662 20.3239 High carbon,Dark 18.358593333333335 10.663 24.7439 High carbon,Light 16.45386 1.70298 22.4769 Low carbon,Dark 10.2145 10.2145 10.2145 Phloroglucinol 45.3446 44.2523 46.3451 Silicon starvation,12h 20.1639 20.1639 20.1639