condition mean min max 12pM Fe,Midday 10.647 10.647 10.647 12pM Fe,Midnight 17.6256 15.9212 19.33 58pM Fe,Midday 12.6146 12.6146 12.6146 58pM Fe,Midnight 17.331842857142856 0.0 23.9124 233pM Fe,Midnight 45.6594 42.9306 47.5428 1160pM Fe,Midday 5.545011428571429 4.41864 7.60894 1160pM Fe,Midnight 26.13245 11.6848 45.137 High carbon,Dark 46.19439333333333 9.7245 81.35 High carbon,Light 25.572226384615384 0.0 74.7917 Low carbon,Dark 24.632 24.632 24.632 Phloroglucinol 7.682563333333333 6.84536 8.85214 Silicon starvation,12h 37.9898 37.9898 37.9898