Search National Agricultural Library Digital Collections

You searched for:

Subjects variable rate application Remove constraint variable rate application: variable rate application Year 2004 Remove constraint 2004: 2004
Displaying all 4 items start over

1. Evaluating soil color with farmer input and apparent soil electrical conductivity for management zone delineation

Description:
Includes references
Author:
Fleming, K.L. , Heermann, D.F. , Westfall, D.G.
Subject:
soil color , agricultural soils , electrical conductivity , surface layers , fields , spatial variation , fertilizer application , variable rate application , farmers' attitudes , agricultural management , crop production , Zea mays , corn , grain yield , soil fertility , soil texture , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Performance Evaluation of Low Cost GPS and WAAS-Corrected Swathing Systems on Agricultural Aircraft Using Precise Position Triggering

Description:
Paper presented at the 2004 ASAE/CSAE Annual International Meeting, held August 1-4, 2004, Ottawa, Ontario, Canada.
Author:
Thomson, S.J. , Smith, L.A. , Sui, R. , American Society of Agricultural Engineers.
Subject:
agricultural aviation , aircraft , remote sensing , global positioning systems , aerial application , variable rate application , cameras , georeferencing
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Profitability of on-farm precipitation data for nitrogen management based on crop simulation

Description:
Includes references
Author:
O'Neal, M. , Frankenberger, J.R. , Ess, D.R. , Lowenberg-Deboer, J.M.
Subject:
Zea mays , corn , crop production , precision agriculture , nitrogen fertilizers , application rate , variable rate application , profitability , precipitation , stochastic processes , seasonal variation , simulation models , crop models , mathematical models , equations , Indiana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Wireless technology and satellite internet access for high-speed whole farm connectivity in precision agriculture

Description:
Includes references
Author:
McKinion, J.M. , Turner, S.B. , Willers, J.L. , Read, J.J. , Jenkins, J.N. , McDade, J.
Subject:
precision agriculture , Internet , wireless technology , harvesters , spraying equipment , fertilizer spreaders , microcomputers , multispectral imagery , variable rate application , data collection
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004