agrtools is an R package made for provide a collection of tools for working with agricultural data. The package is under development and new functions will be added in the future.

Example data:

• piscoelqui: hourly weather data from the Pisco Elqui weather station in the Coquimbo region, Chile.

General functions:

• convert_units(): convert units of different variables and units.
• hourly_to_daily(): convert hourly data to daily data based on the suffix of the column names for applying the aggregation function.

Weather data functions:

• cdd(): calculate the cooling degree days.
• hdd(): calculate the heating degree days.
• gdd(): calculate the growing degree days.
• extraterrestrial_radiation(): calculate the extraterrestrial radiation.
• clearsky_radiation(): calculate the clear sky radiation.
• chillinghours(): calculate the chilling hours.
• dailychillinghours(): estimate the chilling hours based on daily data.
• et0pm(): calculate the potential evapotranspiration using the Penman-Monteith method.
• et0h(): calculate the potential evapotranspiration using the Hargreaves method.
• et0hs(): calculate the potential evapotranspiration using the Hargreaves-Samani method.
• et0pan(): calculate the potential evapotranspiration using the Pan evaporation method. It also includes the option to calculate pan coefficient (Kp)

You can install the development version of agrtools from GitHub with:

# install.packages("devtools")
devtools::install_github("aldotapia/agrtools", build_vignettes = TRUE)

## Examples

see the vignettes for examples of how to use the functions.

browseVignettes("agrtools")