Dairy Manure and Fertilizer Effects on Microbial Activity of an Idaho Soil
1USDA-ARS Idaho, 2USDA-ARS
Dairy cows populations over time in Idaho
- Manure applications have become a common practice on many fields in parts of Southern Idaho where the dairy industry has grown.
- The manure applications have changed the systems. Observations of crop growth and yield effects have highlighted these changes.
Past manure applications treatments
Visual differences in sugar beet growth 5 years after last manure application
Spring plant available N prior to sugarbeet crop in 2014 and 2016
Sugarbeet root yields in 2014 and 2016
Spring 2020 selected soil microbial enzyme activity in the 0-6 and 6-14 inch depth.