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Weed Management Programs In Corn, Michael D. Owen, James F. Lux, Damian D. Franzenburg, Dean M. Grossnickle 2010 Iowa State University

Weed Management Programs In Corn, Michael D. Owen, James F. Lux, Damian D. Franzenburg, Dean M. Grossnickle

Iowa State Research Farm Progress Reports

The purpose of this study was to evaluate various herbicides and application timings in corn for crop injury and weed control.


Northwest And Allee Farms Summary, Ryan Rusk 2010 Iowa State University

Northwest And Allee Farms Summary, Ryan Rusk

Iowa State Research Farm Progress Reports

Includes:

Northwest Research Farm Summary

Allee Demonstration Farm Summary


Seasonal And Rotational Influences On Corn Nitrogen Requirements, John E. Sawyer, Daniel W. Barker 2010 Iowa State University

Seasonal And Rotational Influences On Corn Nitrogen Requirements, John E. Sawyer, Daniel W. Barker

Iowa State Research Farm Progress Reports

This project was designed to study the N fertilization needs in continuous corn (CC) and corn rotated with soybean (SC) as influenced by location and climate. Multiple rates of N fertilizer are spring applied, with the intent to measure yield response to N within each rotation on a yearly basis for multiple years at multiple sites across Iowa. This will allow the determination of N requirements for each rotation, differences that exist between the two rotations, responses to applied N across different soils and climatic conditions, and evaluation of tools used to adjust N application.


Tile Spacing Results, Greg Brenneman 2010 Iowa State University

Tile Spacing Results, Greg Brenneman

Iowa State Research Farm Progress Reports

In 1999, a 45-acre tile spacing project was installed adjacent to the Southeast Research Farm. This was done through donations by local drainage contractors, tile companies, and with assistance from the staff at the Southeast Research Farm. The goal was to compare recommended tile spacing (75 ft) with closer tile spacings.


Modified Oil Soybean Test—South, Kevin O. Scholbrock 2010 Iowa State University

Modified Oil Soybean Test—South, Kevin O. Scholbrock

Iowa State Research Farm Progress Reports

The purpose of this test was to evaluate the experimental modified oil soybean lines adapted to southern Iowa. The 2009 Modified Oil Soybean Test included 1% linolenic, 2.5% linolenic, mid oleic, and low saturates, and for comparison of agronomic traits, commercially grown varieties released by Iowa State University. Oil from 1% linolenic, 2.5% linolenic, mid oleic, and low saturates soybean varieties grown in Iowa is used in the frying oil market. This oil is healthier for the consumer.


Impacts Of Crop, Biomass Harvest Systems, And Nutrient Management On Yield And Subsurface Drainage Water Quality, Matthew J. Helmers, Carl H. Pederson, Ann K. Staudt, Reid Christianson, Antonio P. Mallarino 2010 Iowa State University

Impacts Of Crop, Biomass Harvest Systems, And Nutrient Management On Yield And Subsurface Drainage Water Quality, Matthew J. Helmers, Carl H. Pederson, Ann K. Staudt, Reid Christianson, Antonio P. Mallarino

Iowa State Research Farm Progress Reports

Grain-crop biomass and perennial grass biomass are of particular interest for their use in bioenergy production systems. Nutrient needs, particularly nitrogen and phosphorus, change with varying cropping systems, harvest systems, and rates of fertilizer application. Furthermore, manure generated from livestock production can be a viable nutrient source for cropping systems, reducing the need for commercial fertilizers. The primary focus of this study was to investigate nutrient loss, primarily nitrate-nitrogen loss, in subsurface drainage water under a variety of cropping, nutrient management, and harvest scenarios. Overall crop yields and biomass production were also evaluated.


On-Going Berry-Crop Production Research, Gail R. Nonnecke, Dennis N. Portz 2010 Iowa State University

On-Going Berry-Crop Production Research, Gail R. Nonnecke, Dennis N. Portz

Iowa State Research Farm Progress Reports

Includes:

Cultivar Evaluation of Three New Primocane-fruiting Blackberry Selections in Iowa

Cultivar Evaluation of Six New Junebearing Strawberry Selections in Iowa


Sunflower Variety Trial Report, Heather Darby, Philip Halteman, Erica Cummings, Amanda Gervais, Rosalie Madden 2010 University of Vermont

Sunflower Variety Trial Report, Heather Darby, Philip Halteman, Erica Cummings, Amanda Gervais, Rosalie Madden

Northwest Crops & Soils Program

Variety selection is one of the most important agronomic decisions that sunflower growers make about their crop each season, especially in Vermont where the relatively short growing season limits available choices. Sticking with a tried and true variety is often difficult because new varieties are released every year while familiar ones are discontinued, and seed companies release new traits that may or may not influence yield. To help area farmers make the best decisions, UVM Extension conducted replicated variety trials at Borderview Reseach Farm in Alburgh, VT during the 2010-growing season. The trial evaluated fourteen varieties with varying maturity dates ...


Oat Variety Trial Report, Heather Darby, Susan Monahan, Erica Cummings, Rosalie Madden, Amanda Gervais, Philip Halteman 2010 University of Vermont

Oat Variety Trial Report, Heather Darby, Susan Monahan, Erica Cummings, Rosalie Madden, Amanda Gervais, Philip Halteman

Northwest Crops & Soils Program

Oats (Avena sativa L.) have a long history of being grown in the Northeast. Although most of the oats are planted for a cover crop or hay, growing oats for grain is another potential revenue source for farmers. According to the 2007 census, about 200 acres of land in Vermont is cultivated for oat grain production, with an average yield of 1747 lbs/acre. Unless, a hulless variety is grown, oats need to be hulled before being used for human consumption, and further processing is required to make oatmeal, steel cut oats or oat flour. The goal of this project ...


Vermont Organic Grain Corn Performance Trial Results, Heather Darby, Erica Cummings, Rosalie Madden, Amanda Gervais, Philip Halteman 2010 University of Vermont

Vermont Organic Grain Corn Performance Trial Results, Heather Darby, Erica Cummings, Rosalie Madden, Amanda Gervais, Philip Halteman

Northwest Crops & Soils Program

In 2010, the University of Vermont Extension conducted an organic grain corn performance trial in Alburgh, Vermont, in cooperation with Borderview Research Farm and Organic Valley Farmers Advocating for Organics Program (FAFO). The purpose of the program is to provide unbiased performance comparisons of commercially available organic corn varieties. It is important to remember, however, that the data presented is from one replicated research trial in Vermont. Crop performance data from additional tests in different locations and often over several years should be compared before you make conclusions.


Action Research, Knowledge & Impact: Experiences Of The Global Livestock Crsp Pastoral Risk Management Project In The Southern Ethiopian Rangelands, D. Layne Coppock 2010 Utah State University

Action Research, Knowledge & Impact: Experiences Of The Global Livestock Crsp Pastoral Risk Management Project In The Southern Ethiopian Rangelands, D. Layne Coppock

Environment and Society Faculty Publications

No abstract provided.


Soydb: A Knowledge Database Of Soybean Transcription Factors, Zheng Wang, Marc Libault, Trupti Joshi, Babu Valliyodan, Henry T. Nguyen, Dong Xu, Gary Stacey, Jianlin Cheng 2010 University of Missouri

Soydb: A Knowledge Database Of Soybean Transcription Factors, Zheng Wang, Marc Libault, Trupti Joshi, Babu Valliyodan, Henry T. Nguyen, Dong Xu, Gary Stacey, Jianlin Cheng

Agronomy & Horticulture -- Faculty Publications

Background: Transcription factors play the crucial rule of regulating gene expression and influence almost all biological processes. Systematically identifying and annotating transcription factors can greatly aid further understanding their functions and mechanisms. In this article, we present SoyDB, a user friendly database containing comprehensive knowledge of soybean transcription factors.

Description: The soybean genome was recently sequenced by the Department of Energy-Joint Genome Institute (DOE-JGI) and is publicly available. Mining of this sequence identified 5,671 soybean genes as putative transcription factors. These genes were comprehensively annotated as an aid to the soybean research community. We developed SoyDB - a knowledge database ...


Landscapes And Soils Of The Narrogin District, D N. Sawkins 2010 Department of Agriculture and Food, Western Australia

Landscapes And Soils Of The Narrogin District, D N. Sawkins

Bulletins 4000 -

The publication aims to provide readers with the principles underlying the formation of local landscapes and soils, and the ability to identify landscapes and their associated soils.


Landscapes And Soils Of The Northam District, D N. Sawkins, Department of Agriculture and Food 2010 Department of Agriculture and Food, Western Australia

Landscapes And Soils Of The Northam District, D N. Sawkins, Department Of Agriculture And Food

Bulletins 4000 -

The publication aims to provide readers with the principles underlying the formation of local landscapes and soils, and the ability to identify landscapes and their associated soils.


Phosphorus For High Rainfall Pastures, Mike Bolland, Bill Russell, David Weaver 2010 Department of Agriculture and Food, Western Australia

Phosphorus For High Rainfall Pastures, Mike Bolland, Bill Russell, David Weaver

Bulletins 4000 -

Soil testing for phosphorus provides a reliable indication of when the level of phosphorus in a soil is likely to be adequate for pasture production in the next growing season. It is a waste of money to apply phosphorus fertiliser when soil testing indicates none is required, or to acidified soils, or to undergrazed pastures, or to pastures dominated by poorly productive species.

Legumes have higher phosphorus requirement than grasses.

Critical soil test phosphorus values do not change when nitrogen fertiliser is applied.


Riparian Conundra, David Weaver 2010 Department of Agriculture and Food, Western Australia

Riparian Conundra, David Weaver

Conference papers and presentations

Riparian vegetation is established or restored on the basis that it physically filters and traps hillslope derived particulate nutrients in surface runoff. Whilst many studies support this conventional model of riparian function, few test this models embedded assumptions. The assumptions are that catchments are surface runoff dominated, that most surface derived nutrients are transported in particulate form, and that riparian management targets locations that will result in the greatest change in water quality. This paper reviews studies in south west Western Australia that challenge these assumptions. Plots measuring leaching and runoff of nutrients showed that 20 times more water and ...


An Inventory And Condition Survey Of The Western Australian Part Of The Nullarbor Region, P A. Waddell, A K. Gardner, P Hennig 2010 Department of Agriculture and Food, Western Australia

An Inventory And Condition Survey Of The Western Australian Part Of The Nullarbor Region, P A. Waddell, A K. Gardner, P Hennig

Technical Bulletins

The inventory and condition survey of the Western Australian part of the Nullarbor region, undertaken by the Department of Agriculture and Food, Western Australia (DAFWA) between 2005 and 2007, describes and maps the natural resources of the region. This survey report provides a baseline record of the existence and condition of the area's natural resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The Nullarbor region ...


Implementing Deep Drainage To Reduce Salinity In The Date Creek Catchment, South West Western Australia, Derk Bakker, John P. Collins, Justin Hardy 2010 Department of Agriculture, Katanning

Implementing Deep Drainage To Reduce Salinity In The Date Creek Catchment, South West Western Australia, Derk Bakker, John P. Collins, Justin Hardy

Resource management technical reports

No abstract provided.


The Distribution And Origins Of Acid Groundwaters In The South West Agricultural Area, Adam Lillicrap, Richard J. George Dr 2010 Department of Agriculture and Food

The Distribution And Origins Of Acid Groundwaters In The South West Agricultural Area, Adam Lillicrap, Richard J. George Dr

Resource management technical reports

No abstract provided.


Price Discovery In Nebraska Cattle Markets, Matt Stockton, David A. Bessler, Roger K. Wilson 2010 University of Nebraska - Lincoln

Price Discovery In Nebraska Cattle Markets, Matt Stockton, David A. Bessler, Roger K. Wilson

West Central Research and Extension Center, North Platte

Monthly observations on prices from 10 weight/gender classifications of Nebraska beef cattle are studied in an error correction model (ECM) framework. This study attempts a replication of the 2003 paper on Texas prices by Bessler and Davis, where they find medium heifers (600–700 lb) at the center of price discovery. Using the ECM results Nebraska light steers are found to be weakly exogenous, with the innovation accounting results showing marked differences. Industry structure, production choices, and animal type and breeding herd differences between Texas and Nebraska are proposed as plausible reasons for partial (or incomplete) success at replication.


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