Search National Agricultural Library Digital Collections

You searched for:

Year 2009 Remove constraint 2009: 2009 Subjects United States Remove constraint United States: United States Subjects decision making Remove constraint decision making: decision making

Displaying all 4 items start over

1. A spectral index to monitor the head-emergence of wheat in semi-arid conditions

Description:: Includes references
Author:: Pimstein, Agustin , Eitel, Jan U.H. , Long, Dan S. , Mufradi, Israel , Karnieli, Arnon , Bonfil, David J.
Subject:: Triticum aestivum , wheat , semiarid zones , heading , spectral analysis , decision making , harvesting , forage grasses , grain yield , crop yield , remote sensing , plant nutrition , nutritional status , inflorescences , model validation , multispectral imagery , Israel , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Agricultural profits and farm household wealth: a farm-level analysis using repeated cross sections

Description:: Includes references
Author:: Blank, Steven C. , Erickson, Kenneth W. , Nehring, Richard , Hallahan, Charles
Subject:: profits and margins , farm profitability , household income , off-farm employment , decision making , decision support systems , mathematical models , income and wealth , economic analysis , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. Economic and Environmental Benefits from Canopy Sensing for Variable-Rate Nitrogen Corn Fertilization

Description:: Paper presented at the ASABE International Meeting, held June 21-24, 2009, Reno, Nevada.
Author:: Kitchen, Newell R. , Shanahan, John F. , Roberts, Darrin F. , Sudduth, Kenneth A. , Scharf, Peter C. , Ferguson, Richard B. , Adamchuk, Viacheslav , American Society of Agricultural and Biological Engineers. Meeting.
Subject:: canopy , reflectance , nitrogen fertilizers , fertilizer application , application rate , spatial variation , remote sensing , precision agriculture , nutrient management , decision making , costs and returns , grain yield , profitability , corn , Zea mays , prices , soil , France , Missouri , Nebraska , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

4. National fuel-treatment budgeting in US federal agencies: Capturing opportunities for transparent decision-making

Description:: Includes references
Author:: Reynolds, Keith M. , Hessburg, Paul F. , Keane, Robert E. , Menakis, James P.
Subject:: fuels (fire ecology) , fire hazard , federal government , planning , decision making , decision support systems , national forests , wildfires , USDA , landscape ecology , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009