Live at: http://asianturfgrass.shinyapps.io/mlsn_K
Shiny app that calculates K fertilizer requirement for turfgrass based on grass type, soil K, and annual N rate. This is based on applying enough of an element, in this case K, to keep the soil level at or above the MLSN (minimum levels for sustainable nutrition) guideline.
Read more about the MLSN guidelines here:
http://www.paceturf.org/journal/minimum_level_for_sustainable_nutrition
You can find out more about building applications with Shiny here: