515

Nitrogen Management for Seed and Residual Forage from Low- and High-endophyte Tall Fescue.

Daniel W. Sweeney, Kansas State University; Joseph L. Moyer, Kansas State University

516

Spatial and Temporal Variability of Potato Petiole Nitrogen in Response to Nitrogen Fertilizer, Implications for Variable Management.

Alan Moulin, CANADA, Government of; Nicolas Tremblay, Agriculture and Agri-Food Canada

675-3

517

Establishment and Nitrogen Management for Maize Rotated with Irrigated Rice on Puddled Soil in the Tropics.

Roland J. Buresh, International Rice Research Inst.; Wencelao Larazo, International Rice Research Inst.; Jocelyn Labios, University of the Philippines Los Banos; Simplicio Medina, University of the Philippines Los Banos

675-4

518

Tomato Growth, Nitrogen Uptake and Soil Mineral N as Affected by Controlled Release Fertilizers in South Florida.

Xiaohui Fan, University of Florida; Yuncong Li, University of Florida

675-5

519

Using Precision Agriculture Technologies to Grow Winter Wheat in Delaware.

Susan White, University of Delaware

675-6

520

NuMaSS: Nutrient Management Support System in North Tamaulipas, Mexico.

Salinas-Garcia Jaime Salinas-Garcia, Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias; Frank Hons, Texas A&M University - Rangeland Ecology & Management; Thomas Smyth, North Carolina State University

675-7

521

Adaptive Management to Improve Nitrogen Recommendations for Corn.

Thomas Morris, University of Connecticut; Tracy Blackmer, Iowa Soybean Association; Suzy Friedman, Center for Conservation Incentives @ Environmental Defense Fund; Peter Kyveryga, Iowa Soybean Association; Haiying Tao, University of Connecticut

675-8

522

An Active Sensor Nitrogen Application Algorithm for Corn Using a Chlorophyll Meter Based Sufficiency Index Concept.

John Shanahan, USDA-ARS; Fernando Solari, Monsanto; Richard Ferguson, University of Nebraska-Lincoln; James Schepers, USDA-ARS

675-9

523

Sensor Based Nitrogen Rate Calculator Validation for Wheat in Argentina.

Ricardo Melchiori, INTA Parana; Susana M. Albarenque, INTA Parana; Agustin A. Bianchini, Aapresid; William R. Raun, Oklahoma State University

675-10

524

Exploring Remote Sensing Applications in Perennial Ryegrass Seed Production.

Michael Flowers, Oregon State University - Crop & Soil Sciences; John Hart, Oregon State University; William Young, Oregon State University; Neil Christensen, Oregon State University; Carol Garbacik, Oregon State University; Mark Mellbye, Oregon State University; Tom Silberstein, Oregon State University; Gail Gingrich, Oregon State University

675-11

525

A Visual Method of Calibrating Nitrogen Need, Tied to Season NDVI Values.

Yumiko Kanke, Oklahoma State University; B.D. Arnall, Oklahoma State University; D. Edmonds, Oklahoma State University; B. England, Oklahoma State University; B. Desta, Oklahoma State University; W.R. Raun, Oklahoma State University

675-12

526

Effectiveness of Spectral Radiometers for the Detection of N Stress in Corn.

A.L. Russ, USDA-ARS; C. S. T. Daughtry, USDA-ARS Hydrology & Remote Sensing Laboratory; John (Jack) Meisinger, USDA-ARS; T. J. Gish, USDA-ARS

675-13

527

Evaluation of Rate and Method of Nitrogen Application at First True-Leaf Stage on Cotton.

Abed Forouzesh, College of Aburaihan, University of Tehran; Iraj Allahdadi, College of Aburaihan, University of Tehran; Daryoush Mazaheri, College of Agriculture&Natural Resources, University of Tehran; Ebadollah Baniani, Cotton Research Institute

675-14

528

Evaluation of Rate and Method of Nitrogen Application at Early Bloom Stage on Cotton.

Abed Forouzesh, College of Aburaihan, University of Tehran; Iraj Allahdadi, College of Aburaihan, University of Tehran; Daryoush Mazaheri, College of Agriculture&Natural Resources, University of Tehran; Ebadollah Baniani, Cotton Research Institute

675-15

529

Evaluation of Rate and Method of Nitrogen Application at Early Leaf Stage on Cotton.

Abed Forouzesh, College of Aburaihan, University of Tehran; Iraj Allahdadi, College of Aburaihan, University of Tehran; Daryoush Mazaheri, College of Agriculture&Natural Resources, University of Tehran; Ebadollah Baniani, Cotton Research Institute

675-16

530

Managing Residual Nitrogen in Corn Production.

Dennis L. Coker, Texas A&M University; Mark McFarland, Texas A&M University; Juerg Blumenthal, Texas A&M University; Dennis Pietsch, Texas A&M University; Tony Provin, Texas A&M University

675-17

531

Improving Crop Yield and Fertilizer Use Efficiency with One-Time Nutrient Deep Placement.

Upendra Singh, Intl. Center for Soil Fertility and Agricultural Development (IFDC); Sanjay K. Patil, Indira Gandhi Agricultural University (IGAU); Vibhu Kapoor, Indira Gandhi Agricultural University (IGAU); Deborah Hellums, Intl. Center for Soil Fertility and Agricultural Development (IFDC); Steven Kovach, Intl. Center for Soil Fertility and Agricultural Development (IFDC)

675-18

532

Development of a Variable Source N Fertilizer Management Strategy Using Enhanced Efficiency N Fertilizer Sources to Optimize Crop N Response and Economic Returns.

Peter P. Motavalli, Dept. of Soil, Environmental and Atmospheric Sciences; Kelly A. Nelson, University of Missouri; Newell R. Kitchen, USDA-ARS; Stephen H. Anderson, Dept. of Soil, Environmental and Atmospheric Sciences; Douglas K. Ludwig, University of Missouri

675-19

533

Modeling Rice Response for Agro-technology Transfer.

Susmitha Nambuthiri, University of Kentucky; Murugappan V, TamilNadu Agricultural University

675-20

534

Using Simulation Models and High-Resolution Climate Data for Adaptive Nitrogen Management in Maize.

Harold Van Es, Cornell University; Jeff Melkonian, Cornell University; Art DeGaetano, Cornell University

675-21

535

Nitrogen Application Timing for Corn Production Under Sub-Surface Drip Irrigation.

David Tarkalson, USDA-ARS; Simon Van Donk, University of Nebraska - Lincoln

675-22

536

Factors Affecting Yield in Thermal and Non-Thermal Dryland Bluegrass Seed Production Systems.

Karl Umiker, University of Idaho; Jodi Johnson-Maynard, University of Idaho; Janice Reed, University of Idaho; Donn Thill, University of Idaho

2008 Joint Annual Meeting (5-9 Oct. 2008): Nitrogen Management Tools (Posters)

675 Nitrogen Management Tools (Posters)