Historical development and applications of the EPIC and APEX models

PW Gassman, JR Williams, VW Benson… - 2004 ASAE Annual …, 2004 - elibrary.asabe.org
The development of the field-scale Erosion Productivity Impact Calculator (EPIC) modelwas
initiated in 1981 to support assessments of soil erosion impacts on soil productivity for soil,…

Specificity of a Bacteroides thetaiotaomicron Marker for Human Feces

…, H Yampara-Iquise, VW Benson… - Applied and …, 2005 - Am Soc Microbiol
A bacterial primer set, known to produce a 542-bp amplicon specific for Bacteroides
thetaiotaomicron, generated this product in PCR with 1 ng of extracted DNA from 92% of 25 human …

A bacteria TMDL for Shoal Creek using SWAT modeling and DNA source tracking

C Baffaut, VW Benson - Total Maximum Daily Load (TMDL) …, 2003 - elibrary.asabe.org
A TMDL was developed for the Shoal Creek Watershed, a 365-km2 watershed in
southwestMissouri. The watershed consists of grazed or hayed pastures (89%) fertilized with poultry …

Nonpoint source pollution impacts of alternative agricultural management practices in Illinois: A simulation study

DL Phillips, PD Hardin, VW Benson… - Journal of Soil and Water …, 1993 - jswconline.org
The 1987 National Resources Inventory (NRI) was used to provide a random sample of 100
Illinois cropland sites growing corn and soybeans. These were used with the Erosion …

[BOOK][B] The chicken broiler industry: structure, practices, and costs

VW Benson, TJ Witzig - 1977 - books.google.com
Extensive changes in production, processing, and marketing during the last few decades have
changed the chicken broiler industry from one of small, widely scattered farms to one that …

[BOOK][B] Energy use and conservation in the poultry and egg industry

GB Rogers, VW Benson, DL Van Dyne - 1976 - books.google.com
Estimates of energy use in the poultry and egg industry are discussed by commodity, type of
fuel, season, and function. In 1974, the 146.5 trillion Btu's used in poultry production and …

[BOOK][B] Irrigation system selection in an energy-short economy

VW Benson - 1981 - books.google.com
Low pressure center pivot irrigation was the most energy efficient sprinkler irrigation system
of the four sprinkler irrigation systems simulated for three representative types of Nebraska …

Possibilities and challenges for modeling flow and pollutant transport in a karst watershed with SWAT

C Baffaut, VW Benson - 2008 Providence, Rhode Island, June 29 …, 2008 - elibrary.asabe.org
Karst hydrology is characterized by multiple springs, sinkholes, and losing streams resulting
from acidic water percolating through limestone. These features provide direct connections …

[BOOK][B] A guide to energy savings for the poultry producer

VW Benson - 1977 - books.google.com
… This report was prepared by Verel W. Benson, Poultry Program Area, Commodity Economics
Division, Economic Research Service, US Department of Agriculture. It was prepared under …

[PDF][PDF] Simulated nitrogen loading from corn, sorghum, and soybean production in the Upper Mississippi Valley

JD Atwood, VW Benson… - … the Global Farm …, 1999 - topsoil.nserl.purdue.edu
Nitrogen moving in runoff water and sediment from cropland in the Upper Mississippi River
Valley is thought to be one of the contributors to hypoxia in the Gulf of Mexico. The effects of …