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Ecological And Economic Benefits Of Integrating Sheep Into Viticulture Production, Meredith T. Niles, Rachael Garrett, Drew Walsh 2018 The University of Vermont

Ecological And Economic Benefits Of Integrating Sheep Into Viticulture Production, Meredith T. Niles, Rachael Garrett, Drew Walsh

College of Agriculture and Life Sciences Faculty Publications

The integration of crop and livestock systems has been recognized for its potential to reduce the environmental impacts associated with agriculture and improve farmer livelihoods. However, to date, most research has focused on the integration of cattle into crop and pasture systems. Here we examine the integration of sheep into vineyards and assess farmers’ perceived benefits and costs of the practice. Viticulture expansion has led to significant land use change in recent years and new environmental challenges, particularly with respect to herbicide use. Sheep integration into vineyards offers the potential to utilize the synergies of both systems to reduce external ...


Water Supply In Developing Countries, Jason K. Hawes, Ernest R. Blatchley III, Audrey Caprio, Andrew T. Kanach 2018 Purdue University

Water Supply In Developing Countries, Jason K. Hawes, Ernest R. Blatchley Iii, Audrey Caprio, Andrew T. Kanach

Engagement & Service-Learning Summit: Partnerships for Purpose; March 1, 2017

No abstract provided.


Monitoring Tylosin And Sulfamethazine In A Tile-Drained Agricultural Watershed Using Polar Organic Chemical Integrative Sampler (Pocis), Maurice T. Washingtion, Thomas Moorman, Michelle L. Soupir, Mack C. Shelley II, Amy J. Morrow 2018 Iowa State University

Monitoring Tylosin And Sulfamethazine In A Tile-Drained Agricultural Watershed Using Polar Organic Chemical Integrative Sampler (Pocis), Maurice T. Washingtion, Thomas Moorman, Michelle L. Soupir, Mack C. Shelley Ii, Amy J. Morrow

Agricultural and Biosystems Engineering Publications

This study evaluated the influence of temporal variation on the occurrence, fate, and transport of tylosin (TYL) and sulfamethazine (SMZ); antibiotics commonly used in swine production. Atrazine (ATZ) was used as a reference analyte to indicate the agricultural origin of the antibiotics. We also assessed the impact of season and hydrology on antibiotic concentrations. A reconnaissance study of the South Fork watershed of the Iowa River (SFIR), was conducted from 2013 to 2015. Tile drain effluent and surface water were monitored using polar organic integrative sampler (POCIS) technology. Approximately 169 animal feeding operations (AFOs) exist in SFIR, with 153 of ...


The Dark Past Of Rhode Island In New Light, Yulyana Torres, Marcus Nevius 2018 University of Rhode Island

The Dark Past Of Rhode Island In New Light, Yulyana Torres, Marcus Nevius

Dignity: A Journal on Sexual Exploitation and Violence

No abstract provided.


Who Bears The Economic Costs Of Environmental Regulations?, Don Fullerton, Erich Muehlegger 2017 University of Illinois at Urbana-Champaign

Who Bears The Economic Costs Of Environmental Regulations?, Don Fullerton, Erich Muehlegger

Don Fullerton

Public economics has a well-developed literature on tax incidence – the ultimate burdens from tax policy.  This literature is used here to describe not only the distributional effects of environmental taxes or subsidies but also the likely incidence of non-tax regulations, energy efficiency standards, or other environmental mandates. Recent papers find that mandates can be more regressive than carbon taxes. We also describe how the distributional effects of such policies can be altered by various market conditions such as limited factor mobility, trade exposure, evasion, corruption, or imperfect competition. Finally, we review data on carbon-intensity of production and exports around the ...


Multiple Pollutants, Co-Benefits, And Suboptimal Environmental Policies, Don Fullerton, Daniel Karney 2017 University of Illinois at Urbana-Champaign

Multiple Pollutants, Co-Benefits, And Suboptimal Environmental Policies, Don Fullerton, Daniel Karney

Don Fullerton

In our analytical general equilibrium model, polluting inputs can be substitutes or complements. We study a tax increase on one pollutant where the other faces a tax or permit policy. Our solutions highlight key parameters and welfare effects with gains from abatement plus positive or negative co-benefits from other pollutants in the covered and uncovered sectors. We demonstrate several ways taxes and permits differ. First, the change in taxed pollutant depends on whether the other pollutant faces a tax or permit policy. Also, only with a tax on the other pollutant can a co-benefit arise. The sign of co-benefits depends ...


Potential State-Level Carbon Revenue Under The Clean Power Plan, Don Fullerton, Daniel H. Karney 2017 Ohio University

Potential State-Level Carbon Revenue Under The Clean Power Plan, Don Fullerton, Daniel H. Karney

Don Fullerton

In 2015, the U.S. EPA issued the Clean Power Plan under which each state can set a mass-based target to meet its assigned electric power sector carbon dioxide emission reductions. If it proceeds, states can design policies to meet those requirements and also raise revenue via a carbon tax or cap-and-trade program with auctioned permits. We calculate each state’s potential revenue and demonstrate its significance. In 13 states, carbon revenue could replace all of corporate tax revenue. In addition, we collect budget projections from six key states to determine if and how carbon revenue can substantially reduce deficits ...


Confessions Of A Collaborator: Shoesole And Stewardship Alliance Of Northeast Elko County, Nevada, Robin Boies 2017 Stewardship Alliance of Northeast Elko

Confessions Of A Collaborator: Shoesole And Stewardship Alliance Of Northeast Elko County, Nevada, Robin Boies

Human–Wildlife Interactions

Abstract – The Shoesole Management Team (Shoesole) and the Stewardship Alliance of Northeastern Elko (SANE) are place-based, landowner-organized, natural and human resource conservation initiatives. The Shoesole was organized in 2002 to take a more holistic approach to grazing management issues on two federal livestock grazing allotments. This effort provided the foundation for SANE, which was organized in 2012 by representatives of eight ranches in northeastern Nevada in response to the potential listing of the greater sage-grouse (Centrocercus urophasianus; sage-grouse). Shoesole and SANE came together voluntarily, as a rancher organized initiative, with a common goal of creating a better place-based conservation decision-making ...


Swing Contracts With Dynamic Reserves For Flexible Service Management, Shanshan Ma, Zhaoyu Wang, Leigh Tesfatsion 2017 Iowa State University

Swing Contracts With Dynamic Reserves For Flexible Service Management, Shanshan Ma, Zhaoyu Wang, Leigh Tesfatsion

Leigh Tesfatsion

The increasing penetration of variable energy resources in modern electric power systems requires additional flexibility in ancillary service provision to maintain reliable and efficient grid operations. However, full recognition and appropriate compensation of this flexibility is difficult to ensure within current power market designs due to rigidities in service definitions and requirements. For example, reserve requirements (RRs) are typically set in advance at administratively determined levels. If RRs are too large, wasteful expenditures result; and, if RRs are too small, high real-time costs are incurred for peak generation and/or load curtailment. To address these problems, this paper proposes a ...


The Economics Of Organic And Gmo Farming Systems (In The Us): Interactions And How They Might Co-Exist, Wallace Huffman 2017 Iowa State University

The Economics Of Organic And Gmo Farming Systems (In The Us): Interactions And How They Might Co-Exist, Wallace Huffman

Wallace Huffman

The objective of this paper is to shed new light on the economiceffects of GM agriculture on organic agriculture and their co-existence inthe United States over 1996-2012. To do this, we first describe organic andGM farming systems, regulation, labeling, trends in production and consumerdemand. Then, we turn to a discussion of the economic impacts of GMagriculture on organic agriculture and the more sensitive issue of peacefulco-existence. We discuss adventitious presence; segregation, coordination andidentity preservation; spillovers and legal issues, insurance againstuncertain events and local voting on local production methods. We alsoidentify and examine some of the concerns raised by organic farmers ...


The Economics Of Organic And Gmo Farming Systems (In The Us): Interactions And How They Might Co-Exist, Wallace Huffman 2017 Iowa State University

The Economics Of Organic And Gmo Farming Systems (In The Us): Interactions And How They Might Co-Exist, Wallace Huffman

Economics Working Papers

The objective of this paper is to shed new light on the economic
effects of GM agriculture on organic agriculture and their co-existence in
the United States over 1996-2012. To do this, we first describe organic and
GM farming systems, regulation, labeling, trends in production and consumer
demand. Then, we turn to a discussion of the economic impacts of GM
agriculture on organic agriculture and the more sensitive issue of peaceful
co-existence. We discuss adventitious presence; segregation, coordination and
identity preservation; spillovers and legal issues, insurance against
uncertain events and local voting on local production methods. We also
identify and ...


Monitoring Tylosin And Sulfamethazine In A Tile-Drained Agricultural Watershed Using Polar Organic Chemical Integrative Sampler (Pocis), Maurice T. Washingtion, Thomas Moorman, Michelle L. Soupir, Mack C. Shelley II, Amy J. Morrow 2017 Iowa State University

Monitoring Tylosin And Sulfamethazine In A Tile-Drained Agricultural Watershed Using Polar Organic Chemical Integrative Sampler (Pocis), Maurice T. Washingtion, Thomas Moorman, Michelle L. Soupir, Mack C. Shelley Ii, Amy J. Morrow

Michelle L. Soupir

This study evaluated the influence of temporal variation on the occurrence, fate, and transport of tylosin (TYL) and sulfamethazine (SMZ); antibiotics commonly used in swine production. Atrazine (ATZ) was used as a reference analyte to indicate the agricultural origin of the antibiotics. We also assessed the impact of season and hydrology on antibiotic concentrations. A reconnaissance study of the South Fork watershed of the Iowa River (SFIR), was conducted from 2013 to 2015. Tile drain effluent and surface water were monitored using polar organic integrative sampler (POCIS) technology. Approximately 169 animal feeding operations (AFOs) exist in SFIR, with 153 of ...


The Impact Of Groundwater And Well Characteristics On Irrigator Energy Contract Choice, Taylor Hackbart 2017 University of Nebraska-Lincoln

The Impact Of Groundwater And Well Characteristics On Irrigator Energy Contract Choice, Taylor Hackbart

Dissertations and Theses in Agricultural Economics

The thesis uses cross sectional data from the year 2009 to analyze irrigator choice of electricity contract. The data includes irrigators from the Midwest Electric Cooperative Corporation (MECC), which covers portions of three of Nebraska’s Natural Resource Districts (the Middle Republican, Twin Platte, and Upper Republican NRDs). Each of these institutions tries to reduce the pressure its users place on limited natural resources.

To accomplish this the MECC has established interruptible contracts with irrigators. These contracts allow the MECC to control the electricity supply for an irrigator’s well for a pre-determined number of days, which allows it to ...


Modelling The Impact Of National Development Strategies For The East African Rice Sector, Florence Muthee 2017 University of Arkansas, Fayetteville

Modelling The Impact Of National Development Strategies For The East African Rice Sector, Florence Muthee

Theses and Dissertations

The 2008 food crisis prompted many food importing nations to reconsider the need to be self-sufficient especially in their staple food needs. This awakening led to the launch of the Coalition for Africa Rice Development (CARD) initiative with a goal to double rice production in Africa. Under the CARD umbrella member countries drafted individual National Rice Development Strategies (NRDS). This study is a quantitative assessment of four East African countries’ NRDS: Kenya, Rwanda, Tanzania and Uganda within dynamic global rice economy models. The NRDS targets and strategies are not realistic and included under estimation of rice consumption for Kenya, an ...


Industrial Output Fluctuations In Developing Countries: General Equilibrium Consequences Of Agricultural Productivity Shocks, Hyojung LEE 2017 Singapore Management University

Industrial Output Fluctuations In Developing Countries: General Equilibrium Consequences Of Agricultural Productivity Shocks, Hyojung Lee

Research Collection School Of Economics

This paper shows that a negative shock to agricultural productivity may increase food prices, and labor and capital can move away from manufacturing into agriculture to meet the subsistence requirement for food. This effect depends on income levels and openness to trade. Using annual manufacturing data and rainfall shocks as the instrument for crop yields (proxy for agricultural productivity), I find that an exogenous decline in yield decreases manufacturing output as well as employment and capital investment in manufacturing. Overall, crop yield variation can explain up to 44% of industrial output fluctuations in developing countries (rainfall shocks cause 31% of ...


On Farm Manure Anaerobic Digestion Economics, Aaron DuMez, Eric Bierwagen, Gavin Graupman 2017 Iowa State University

On Farm Manure Anaerobic Digestion Economics, Aaron Dumez, Eric Bierwagen, Gavin Graupman

TSM 325 Biorenewable Systems Posters

Controlling greenhouse gas emissions and producing energy from renewable sources are two key components of energy sustainability movement. Livestock manure is a large producer of greenhouse gases, but also has the potential to be a feedstock for energy production.


Searching For The Bottom, Chad Hart 2017 Iowa State University

Searching For The Bottom, Chad Hart

Integrated Crop Management Conference

Looking back over the last ten years, crop agriculture has swung between two regimes. The years 2007 to 2012 were characterized by strong crop prices, driven in the beginning by record building demand and at the end by a drought. The years 2013 to 2017 are characterized by strong crop production, a consistent string of large harvests that have been more than enough to meet and exceed demand. The outlook for 2018, based on the information we have today, suggests that pattern will continue for at least another year.


Dicamba Injury And Insurance, Ray Massey 2017 University of Missouri

Dicamba Injury And Insurance, Ray Massey

Integrated Crop Management Conference

Multiperil crop insurance, such as Revenue Protection and Yield Protection, and General Liability Insurance have both been involved in cases where 3rd party damage from herbicide applications occurs.


Financial Stress In Iowa Farms: 2014–2016, Alejandro Plastina 2017 Iowa State University

Financial Stress In Iowa Farms: 2014–2016, Alejandro Plastina

Integrated Crop Management Conference

Iowa farm financial conditions have deteriorated since 2012, but average indicators of liquidity and solvency remain close to their long-term levels. However, average financial measures mask the variability across farms. This article tracks the evolution of financial stress in Iowa farms using a panel of financial statements for 273 farms collected by the Iowa Farm Business Association (IFBA). The share of financially stressed farms (vulnerable liquidity or solvency ratings) increased from 38 percent in December 2014 to 47 percent in December 2016. On average, farms lost $180 per acre of working capital over that period, but farms with vulnerable liquidity ...


Where Are Iowa And Us Land Values Headed?, Wendong Zhang 2017 Iowa State University

Where Are Iowa And Us Land Values Headed?, Wendong Zhang

Integrated Crop Management Conference

Farmland is arguably the most significant asset in the landowner’s investment portfolio, and its strength is critical to maintain a strong equity position of producers and robust collaterals for lenders in this current downturn in agricultural economy. Despite its significance, it is a bit unclear to infer where Iowa and U.S. land values are headed, and unfortunately the signals are somewhat conflicting.


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