نتایج جستجو برای: usda

تعداد نتایج: 5250  

2015
Denys Yemshanov Robert G. Haight Frank H. Koch Bo Lu Robert Venette D. Barry Lyons Taylor Scarr Krista Ryall

Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, ON P6A 2E5, Canada, Northern Research Station, USDA Forest Service, 1992 Folwell Ave, St. Paul, MN 55108, USA, Southern Research Station, Eastern Forest Environmental Threat Assessment Center, USDA Forest Service, 3041 Cornwallis Road, Research Triangle Park, NC 27709, USA, ...

2004
James K. NITAO Susan L.F. MEYER James E. OLIVER Walter F. SCHMIDT David J. CHITWOOD

Isolation of  avipin, a fungus compound antagonistic to plant-parasitic nematodes James K. NITAO 1, Susan L.F. MEYER 1;¤, James E. OLIVER 2, Walter F. SCHMIDT 3 and David J. CHITWOOD 1 1Nematology Laboratory, Bldg 011A, Rm 165B, USDA, ARS, BARC-West, 10300 Baltimore Avenue, Beltsville, MD 20705-2350,USA 2Chemicals Affecting Insect Behavior Laboratory, Bldg 007, Rm 304, USDA, ARS, BARC-West, 10...

Journal: :Journal of environmental quality 2017
Deanna Osmond Carl Bolster Andrew Sharpley Miguel Cabrera Sam Feagley Adam Forsberg Charles Mitchell Rao Mylavarapu J Larry Oldham David E Radcliffe John J Ramirez-Avila Dan E Storm Forbes Walker Hailin Zhang

Phosphorus (P) Indices in the southern United States frequently produce different recommendations for similar conditions. We compared risk ratings from 12 southern states (Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, and Texas) using data collected from benchmark sites in the South (Arkansas, Georgia, Mississippi, No...

Journal: :Journal of Applied Communications 1987

Journal: :Journal of Agricultural and Applied Economics 1975

Journal: :Applied and environmental microbiology 1985
W M Barbour J N Mathis G H Elkan

Rhizobium fredii is a fast-growing rhizobium isolated from the primitive Chinese soybean cultivar Peking and from the wild soybean Glycine soja. This rhizobium harbors nif genes on 150- to 200-megadalton plasmids. By passage on acridine orange plates, we obtained a mutant of R. fredii USDA 206 cured of the 197-megadalton plasmid (USDA 206C) which carries both nif and nod genes. This strain, how...

Journal: :Journal of the American Veterinary Medical Association 2008
MD R. Scott Nolen

The AVMA will likely comment on the proposed amendment, which is on the February meeting agenda for the Council on Veterinary Service. The Association's recently revised policy on acclimation certificates is available at www.avma.org/issues/policy. More on the certificates and the AVMA policy is online at www.avma.org/onlnews/javma/jan08/080115f.asp. Page 1 of 2 USDA proposes end to acclimation...

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