價格：免費
更新日期：2013-05-22
檔案大小：275k
目前版本：1.0
版本需求：Android 2.2 以上版本
官方網站：http://www.ars.usda.gov/npa/spnr/nitrogentools
Email：nitrogen.tools@gmail.com
Globally, low nitrogen use efficiencies cost farmers, governments, and society billions of dollars every year. The Nitrogen Index App can be used to quickly make assessments of the effects of management decisions on nitrogen use efficiencies.
Visit the Nitrogen Tools web site at http://www.ars.usda.gov/npa/spnr/nitrogentools for additional information, applications, and software.
Now available in Spanish.