Phosphorus management

INTEGRATE CHEMICAL AND HYDROLOGIC PROCESSES FOR PHOSPHORUS MANAGEMENT IN AGRICULTURAL WATERSHEDS

Project Number: 1902-13000-006-00D
Researchers: Sharpley, A. N.; Gburek, W. J.; Pionke, H. B.
Start Date: 01-Jan-96
End Date: 31-Dec-98
Performing Institution: AGRICULTURAL RESEARCH SERVICE
UNIVERSITY PARK, PENNSYLVANIA 16802

Research Objectives: 1) Determine effects of P management in pasture systems …

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Systematics of agricultural plants II

SYSTEMATICS OF VASCULAR PLANTS IMPORTANT TO AGRICULTURE

Project Number: 1275-21000-111-00D
Researchers: Kirkbride, J. H.; Wiersema, J. H.; Rossman, A. Y.
Start Date: 18-May-95
End Date: 17-May-00
Performing Institution: BELTSVILLE AGR RES CENTER, BELTSVILLE, MARYLAND 20705

Research Objectives: Develop a comprehensive monograph of Lotus subgenus Pedrosia including horticulturally important forage crops …

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Systematics of agricultural plants I

SYSTEMATICS OF VASCULAR PLANTS IMPORTANT TO AGRICULTURE

Project Number: 1275-21000-069-00D
Researchers: Kirkbride, J. H.; Wiersema, J. H.; Rossman, A. Y.
Start Date: 23-Mar-90
End Date: 22-Mar-95
Performing Institution: AGRICULTURAL RESEARCH SERVICE, BELTSVILLE AGR RES CENTER, BELTSVILLE, MARYLAND 20705

Research Objectives: Develop databases and publish illustrated text to facilitate identification of …

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Total Mixed Rations for Pasture-Based Dairy Systems

Incorporating a Total Mixed Ration into Pasture-Based Dairy Systems: The Best of Both Worlds?
Kathy Soder, USDA-ARS Pasture Systems & Watershed Management Research Unit University Park, PA

Printable version (PDF)

Background

TMR

Feeding dairy cows on pasture challenges nutritionists and producers due to changing pasture quality and availability which make dry …

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Environmental Impact and Profitability of Beef Farms

Simulation to Study the Environmental Impact and Profitability of Beef Farms
C. Alan Rotz, USDA/ARS, Pasture Systems and Watershed Management Research Unit; Dennis R. Buckmaster, Agricultural and Biological Engineering Dept. and John W. Comerford, Dairy and Animal Science Dept., Penn State University, University Park, PA 16802

Introduction: With tighter …

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