condition mean min max 12pM Fe,Midday 7.5422 7.5422 7.5422 12pM Fe,Midnight 8.797460000000001 6.91432 10.6806 58pM Fe,Midday 7.38366 7.38366 7.38366 58pM Fe,Midnight 5.619988571428571 0.0 8.12333 233pM Fe,Midnight 5.881796666666666 5.2836 6.56543 1160pM Fe,Midday 4.984017142857143 3.28102 7.03207 1160pM Fe,Midnight 6.969615 3.90419 11.2852 High carbon,Dark 4.290578 1.01735 8.08398 High carbon,Light 2.8667634615384614 0.0 7.67398 Low carbon,Dark 2.60762 2.60762 2.60762 Phloroglucinol 2.4595266666666666 2.23198 2.73325 Silicon starvation,12h 4.38258 4.38258 4.38258