beautypg.com

Zinc concentration chart – LaMotte SMART 2 Electronic Soil Lab User Manual

Page 84

background image

n

ZINC CONCENTRATION CHART

PARTS PER MILLION

RANGE

0-0.5 ppm

Low

0.6-1.0 ppm

Marginal

1.1-2 ppm

Adequate

84

SMART2 SOIL MANUAL 5.06