usfertilizer 0.1.0
- Decided to change the type of package into a pure data package.
 
- Removed irrelevant codes.
 
usfertilizer 0.1.1
- Update the description to pass the CRAN comments.
 
usfertilizer 0.1.2
- Passed CRAN checks and available at CRAN.
 
usfertilizer 0.1.3
- Added a 
NEWS.md file to track changes to the
package. 
- Added the data sources and processes codes.
 
- Added a license file and code of conduct.
 
- Enable website for project using pkgdown.
 
usfertilizer 0.1.4
- Added manure data from 1982 to 2012 (every five years).
 
- Update the column names: Fertilizer -> Nutrient.
 
- Added another column: Input.Type to indicate the nutrient input
type.
 
- Update readme and related articles.
 
- Fixed the failed build of vignettes.
 
usfertilizer 0.1.5
- Specify that the dataset were about United States of America
(USA).
 
- Update the titles of vignette.
 
- Removed the documention about installing the package via
Github.