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Articles 1 - 30 of 77
Full-Text Articles in Agricultural and Resource Economics
An Analysis Of Cover Crop Adoption In Southeastern Row Crop Systems: Benefits, Challenges, And Policy Implications, Madison H. Mccay, Yangxuan Liu, Alejandro Plastina, Guy A. Hancock, Amanda R. Smith
An Analysis Of Cover Crop Adoption In Southeastern Row Crop Systems: Benefits, Challenges, And Policy Implications, Madison H. Mccay, Yangxuan Liu, Alejandro Plastina, Guy A. Hancock, Amanda R. Smith
Journal of Applied Farm Economics
Cover crops, utilized by producers to provide seasonal soil cover between cash or forage crop cycles, play a significant role in diversifying crop rotations and enhancing environmental sustainability. This research aims to assess the economic impact and farmer perceptions of cover crop adoption in the southeastern United States, particularly in Georgia, Alabama, and Florida. Producers show interest in adopting cover crops with increasing awareness of their benefits, such as improved soil health, water quality, weed suppression, and reduced soil erosion. Despite these advantages, adoption rates are hindered by economic challenges. A survey conducted from January to March 2021 gathered data …
Case Studies To Examine Farmer Perceptions And Implementations Of Buffer Capacity In Southeastern Ontario, Bryan Collins
Case Studies To Examine Farmer Perceptions And Implementations Of Buffer Capacity In Southeastern Ontario, Bryan Collins
Journal of Applied Farm Economics
Buffer capacity measures the ability of a system to maintain its original function when confronted with outside stresses and is often considered to be a key component of resilience. Farmers in southeastern Ontario are facing several threats such as seasonal drought and volatile markets, prompting necessary responses on how to effectively manage their farms. This research study used an exploratory grounded theory approach to inquire how farmers seek to enhance buffer capacity on their farm by asking (1) what short-term threats their farm faces and (2) what strategies they are employing to navigate those threats. Ten farms in the Inverary …
Turfgrass Weed Control For Professionals, 2024, Aaron J. Patton, Matthew T. Elmore
Turfgrass Weed Control For Professionals, 2024, Aaron J. Patton, Matthew T. Elmore
Purdue University Press Books
Turfgrass is used on everything from athletic fields, golf courses, and parks, to lawns, sod farms, and roadsides. Unfortunately, information on weed management for professionals maintaining these areas has often been inaccurate or out of date, and applicators are frequently unaware of the most effective methods for controlling weeds in turf. Written by experts in the field and featuring insights from contributors from sixteen states across the US, the 2024 edition of Turfgrass Weed Control for Professionals was developed to provide science-based information for those working in the field. It contains information about turfgrass management, weed biology and management, more …
Recent U.S. Government Policy Literature On Critical And Strategic Minerals, Bert Chapman
Recent U.S. Government Policy Literature On Critical And Strategic Minerals, Bert Chapman
Libraries Faculty and Staff Scholarship and Research
Critical and strategic minerals have become increasingly important in U.S. government civilian and military policymaking in recent years. This is demonstrated by the heavy use of such minerals in many critical civilian and military infrastructures. This work will discuss how this subject has been addressed in laws, presidential documents, and works by government agencies along with congressional oversight committees and support agencies. It will stress how the United States is heavily dependent on strategic minerals from adversarial foreign countries such as China and will examine U.S. efforts to increase its ability to produce such materials in the United States by …
Addressing Local Food Insecurity Through A Problem-Based Learning Classroom, Kaley Mumma, Aimable Mugabo
Addressing Local Food Insecurity Through A Problem-Based Learning Classroom, Kaley Mumma, Aimable Mugabo
National Collaborative for Research on Food, Energy, and Water Education (NC-FEW)
Through the frame of Problem-Based Learning (PBL), a curriculum is proposed to engage students in addressing local food insecurity. Students collaboratively define the problem, explore underlying issues, establish goals, design solutions, and implement their chosen solution to address food insecurity within their community. The importance of community engagement and utilizing local resources are highlighted in advising the implementation of this program.
Lowell Hardin: Mentor Extraordinaire, Larry L. Murdock, Thomas W. Hertel, Gebisa Ejeta
Lowell Hardin: Mentor Extraordinaire, Larry L. Murdock, Thomas W. Hertel, Gebisa Ejeta
Purdue University Press Books
Lowell Stewart Hardin (1917–2015), an Indiana farm boy who became an enormously influential international agriculturalist, made the world a better place for the poor and the hungry on this earth. For seventeen years he led the Ford Foundation’s agricultural development efforts, contributing to the Green Revolution. He helped to found and guide international agriculture research centers in Africa, Asia, and Latin America. He inspired others to get involved and opened doors for them. He taught by example, gave others credit, and always stepped back, avoiding the limelight himself. In this volume, twenty-two people who knew him well share stories of …
Farm Resilience, Management Practices, And Producer Sentiment: Segmenting Us Farms Using Machine Learning Algorithms, Margaret Lippsmeyer, Michael Langemeier, James R. Mintert, Nathan Thompson
Farm Resilience, Management Practices, And Producer Sentiment: Segmenting Us Farms Using Machine Learning Algorithms, Margaret Lippsmeyer, Michael Langemeier, James R. Mintert, Nathan Thompson
Journal of Applied Farm Economics
Farm managers possess a broad spectrum of capabilities, ranging from tech-savvy, strategically focused managers to those grappling with operational challenges. Our study examines survey data from 403 US commercial producers in order to identify subsets of producers who differ in terms of resilience, management practices, producer sentiment, and other farm characteristics. Utilizing various supervised and unsupervised machine learning techniques, we uncover key farm characteristics that capture the most pronounced variations in survey responses. We then cluster the dataset using these key variables, maximizing separation between clusters and minimizing differences within clusters using Ward’s hierarchical clustering. Fisher’s exact tests are implemented …
Financial Impacts Of Postdrought Beef Cow Herd Rebuilding Through Debt Financing, Eric A. Devuyst, Hannah Shear, Derrell S. Peel, Roger Sahs, Scott Clawson
Financial Impacts Of Postdrought Beef Cow Herd Rebuilding Through Debt Financing, Eric A. Devuyst, Hannah Shear, Derrell S. Peel, Roger Sahs, Scott Clawson
Journal of Applied Farm Economics
Drought conditions in much of the western United States have improved, leading to opportunities for cow-calf producers to rebuild beef cow herds. Given lower beef cow herds, many producers will need to borrow funds to purchase replacement heifers. We investigate how financial positions are impacted by leveraged replacement heifer purchases. The results are useful to producers and bankers. We suggest alternatives for financially struggling producers, including delay rebuilding to avoid significantly increased financial stress
Application Of Physics-Informed Neural Networks On Crop Yield Prediction At Multiple Scales, Aditya P. Prabhu, Pratishtha Poudel, James V. Krogmeier
Application Of Physics-Informed Neural Networks On Crop Yield Prediction At Multiple Scales, Aditya P. Prabhu, Pratishtha Poudel, James V. Krogmeier
Discovery Undergraduate Interdisciplinary Research Internship
Accurately predicting crop yields is a critical challenge in sustainable agriculture, food security, and farm management. Traditional process-based models rely on agronomic domain knowledge, crop physiology and statistical approaches, while purely data-driven approaches leverage machine learning or deep learning models using meteorological and spatial data. Unfortunately, these black-box models(Data-drive approaches) often lack interpretability and fail to incorporate well-established physical principles. This project explores a hybrid approach by implementing Physics Informed Neural Networks, mainly, physics-based recurrent neural networks (PI-RNNs) for time-series yield prediction. PINNs allow for the integration of scientific knowledge directly into the model by embedding physical laws as constraints …
Jovial Family Farm Facilitates Intergenerational Learning Opportunities Through Urban Farming, Maera Williams
Jovial Family Farm Facilitates Intergenerational Learning Opportunities Through Urban Farming, Maera Williams
Purdue Journal of Service-Learning and International Engagement
Maera Williams is a sophomore in Environmental and Ecological Engineering at Purdue University. She joined the Engineering Projects in Community Service (EPICS) Urban Farming team as a freshman and now serves as project manager of ten undergraduate students collaborating with Jovial Family Farm to design and develop three indoor hydroponics systems for a laboratory space on their property in Broad Ripple, IN. Jovial Family Farm is a nonprofit organization founded by Drs. Bobbie and Brian Jellison with the mission to provide senior citizens, their families, and their communities with meaningful engagement opportunities on an intergenerational scale through urban agricultural activities. …
Scla 521 Ai In Society, Bert Chapman
Scla 521 Ai In Society, Bert Chapman
Libraries Faculty and Staff Presentations
Provides access to information resources on societal impacts of artificial intelligence from multiple libraries databases covering multiple disciplines including government information resources.
U.S. Government Agency Podcasts, Bert Chapman
U.S. Government Agency Podcasts, Bert Chapman
Libraries Faculty and Staff Presentations
Presents podcasts from U.S. Government agencies which can be discovered through the U.S. Government Publishing Office's Catalog of Government Publications. Agencies whose podcasts are presented include the National Institutes of Health, U.S. Peace Corps, U.S. Department of Agriculture, Government Accountability Office (GAO), National Park Service, Department of Justice, Federal Reserve System, and U.S. Naval War College.
Is Northwest Indiana Prepared To Be A “Climate Haven”?, Luke Carl Jorgensen
Is Northwest Indiana Prepared To Be A “Climate Haven”?, Luke Carl Jorgensen
The Journal of Purdue Undergraduate Research
No abstract provided.
Upleft: Pick Up Leftovers, Uplift Those In Need, Veronica Galles
Upleft: Pick Up Leftovers, Uplift Those In Need, Veronica Galles
The Journal of Purdue Undergraduate Research
No abstract provided.
Lake Michigan Shoreline Landowner Survey, Colby Smock
Lake Michigan Shoreline Landowner Survey, Colby Smock
The Journal of Purdue Undergraduate Research
No abstract provided.
Sales Of Cage-Free Eggs: The Impact Of Proposition 12 On Egg Prices And Consumer Welfare In California, Mingcong Xie
Sales Of Cage-Free Eggs: The Impact Of Proposition 12 On Egg Prices And Consumer Welfare In California, Mingcong Xie
The Journal of Purdue Undergraduate Research
California’s Proposition 12, which outlaws the use of cages in the egg production process, went into effect on January 1, 2022. The main focus of this study is to follow the trend of weekly Californian and national egg price changes before and after the implementation of Proposition 12. Using the price series reported by the United States Department of Agriculture (USDA), structural break tests and Ordinary Least Squares (OLS) regressions are carried out to directly measure the economic impacts of this new regulation on egg prices. With different models used, this study shows that California consumers now pay an additional …
Market-Mediated Effects: What Are They? And Why Are They Important For Geospatial Analysis Of Sustainability Policies, Iman Haqiqi, Zhan Wang, Srabashi Ray, Uris Baldos, Jing Liu, Thomas Hertel
Market-Mediated Effects: What Are They? And Why Are They Important For Geospatial Analysis Of Sustainability Policies, Iman Haqiqi, Zhan Wang, Srabashi Ray, Uris Baldos, Jing Liu, Thomas Hertel
I-GUIDE Forum
Market-mediated effects can mitigate or amplify the intended effects of sustainability policies. They can also have unintended consequences, including inducing new sustainability stresses or threatening food security. It is important to understand these effects when designing sustainability policies. This paper provides prominent examples of market-mediated effects of a variety of sustainability policies in the food, energy, land and water nexus. This paper reviews the empirical evidence on market-mediated impacts of economic policies generally and then provides a review of recent geospatial modeling aimed at capturing these impacts in the context of local and regional land and water sustainability policies. The …
Simple-G In The Classroom And The Cloud, Elizabeth A. Fraysse, Thomas W. Hertel, Zhan Wang, Iman Haqiqi
Simple-G In The Classroom And The Cloud, Elizabeth A. Fraysse, Thomas W. Hertel, Zhan Wang, Iman Haqiqi
I-GUIDE Forum
SIMPLE-G serves as a significant tool for researchers to address sustainability challenges, serving as a Convergence Catalyst for issues related to the global-local-global connections affecting land, water, and food security. This paper explores the pedagogical path of SIMPLE-G in the classroom setting, highlighting its key benefits in interdisciplinary education. Furthermore, we explore the future development of SIMPLE-G for facilitating collaborations between economists and other disciplines as well as increasing accessibility to users through cloud computing.
The Global Trade Analysis Project (Gtap) Data Base: Version 11, Angel Aguiar, Maksym Chepeliev, Erwin Corong, Dominique Van Der Mensbrugghe
The Global Trade Analysis Project (Gtap) Data Base: Version 11, Angel Aguiar, Maksym Chepeliev, Erwin Corong, Dominique Van Der Mensbrugghe
Department of Agricultural Economics Faculty Publications
This paper describes the construction of the GTAP Data Base, version 11. The database reconciles different data sources at a global scale for analytical use and provides time series data on value flows, volumes, and various tax instruments. GTAP version 11 has 5 reference years (2004, 2007, 2011, 2014, and 2017), distinguishes 65 sectors in each of 141 countries and 19 aggregate regions - with individual countries accounting for 99.1% of world GDP and 96.4% of world population. The exhaustive nature of GTAP in its country and sector coverage facilitates its use in economy-wide studies of global economic issues.
Industrial Hemp Production And Market Risk Analysis In Oklahoma, Lixia H. Lambert, Amy D. Hagerman
Industrial Hemp Production And Market Risk Analysis In Oklahoma, Lixia H. Lambert, Amy D. Hagerman
Journal of Applied Farm Economics
Industrial hemp production has garnered producer attention as a potential summer crop alternative in Oklahoma. Farmers considering the inclusion of hemp, an emerging new crop, in their operations need to factor in risk and uncertainty. We conducted a risk analysis to determine the optimal allocation of land to conventional crops and hemp for a representative 1,000-acre wheat farm in northeastern Oklahoma under production and market risk. Target MOTAD (minimization of total absolute deviation) model was used to focus on downside risk and hemp market price uncertainty. Six double-cropping systems for double- cropped winter wheat were considered, including sorghum, sesame, hemp …
Putting The Green Back In Greenbacks: Opportunities For A Truly Green Stimulus, Farzad Taheripour, Maksym Chepeliev, Richard Damania, Thomas Farole, Nancy Lozano Gracia, Jason Daniel Russ
Putting The Green Back In Greenbacks: Opportunities For A Truly Green Stimulus, Farzad Taheripour, Maksym Chepeliev, Richard Damania, Thomas Farole, Nancy Lozano Gracia, Jason Daniel Russ
Department of Agricultural Economics Faculty Publications
Can countries reorient their productive capacity to become more environmentally friendly and inclusive? To investigate this question this paper uses a standard Input-Output modeling framework and data from 141 countries and regions to construct a new global dataset of employment, value-added, greenhouse gas (GHG) emissions (disaggregated into CO2 and Non-CO2 elements), and air pollution (including nine categories of air pollutants such as PM2.5) multipliers from supply side investments. We find that many of the traditional sectors in agriculture and industry have large employment multipliers, but also generate male dominant, lower skill employment, and tend to have higher emission multipliers. It …
Developing An Air Pollutant Emissions Database For Global Economic Analysis, Maksym Chepeliev
Developing An Air Pollutant Emissions Database For Global Economic Analysis, Maksym Chepeliev
Department of Agricultural Economics Faculty Publications
According to the Global Burden of Disease study (Cohen et al., 2017), in 2015 ambient air pollutant emissions caused 4.2 million deaths and a loss of 103.1 million disability-adjusted life-years, making it the fifth-ranked global risk factor. In terms of the welfare costs of mortality and illnesses associated with outdoor air pollutant emissions, global estimates for 2015 range between $2.7-3.2 trillion (Coady et al., 2015; OECD, 2016). Still, while greenhouse gas emissions are usually well represented in many global economic databases and models, air pollutant emission accounts in most cases are not included. In particular, this is the case for …
A Model Of Farm Transition Planning For The U.S. Plains, Garret Reed, Shannon Ferrell, Eric A. Devuyst, Rodney Jones
A Model Of Farm Transition Planning For The U.S. Plains, Garret Reed, Shannon Ferrell, Eric A. Devuyst, Rodney Jones
Journal of Applied Farm Economics
Farm transition planning continues to be a significant challenge for U.S. agricultural owner/producers. Past and ongoing research points to an aging farm population with little or no planning to transition farms to succeeding farming family members, despite documented goals of continued family ownership and operation. This study developed and analyzed alternative farm asset transition strategies using a representative farm for Oklahoma. The simulations considered equity issues, family living requirements, and cash flow pre- and post-transition. Strategies analyzed considered off-farm investments and life insurance tools to even bequests between an on-farm and an off-farm heir, and also modeled splitting inheritance into …
The Cover Crop Seed Industry: An Indiana Case Study, John C. Tyndall, Adriana Valcu-Lisman, Melanie Bogert, Abigail Zobrodsky
The Cover Crop Seed Industry: An Indiana Case Study, John C. Tyndall, Adriana Valcu-Lisman, Melanie Bogert, Abigail Zobrodsky
Journal of Applied Farm Economics
Winter cover crops are plants used to protect soils during the period between the harvest and establishment of cash crops such as corn and soybeans, effectively providing farm fields with perennial cover. The total cost of cover crops varies considerably from site to site and year to year, yet the single costliest aspect of using cover crops is the cost of seed. Seed cost also tends to be the most volatile component of the cost of cover crop use, subject to complex supply dynamics associated with producing viable seed, storage capacity, and unpredictable regional demand. We conducted a survey of …
Farm Efficiency And Productivity Growth: The Effect Of Commodity Prices, Elizabeth Canales, Jason S. Bergtold, Allen Featherstone
Farm Efficiency And Productivity Growth: The Effect Of Commodity Prices, Elizabeth Canales, Jason S. Bergtold, Allen Featherstone
Journal of Applied Farm Economics
Crop prices can affect farm productivity through input- output decisions. This study assesses the relationship between crop prices and productivity changes among a sample of Kansas farms. The changes in total factor productivity are evaluated using a nonparametric approach with a Malmquist productivity index and potential drivers of technical efficiency and productivity change are analyzed. Farms with higher leverage and greater diversification are likely to be more efficient and experience productivity change. Lower productivity occurred during years with higher crop prices, suggesting that innovation is more likely to occur when margins are tight.
Financing Beef Cow Herd Building For Beginning Ranchers, Abby Shalekbriski, Eric A. Devuyst, Cheryl S. Devuyst, Roger Sahs, Matt Stockton, Katlin Ramy
Financing Beef Cow Herd Building For Beginning Ranchers, Abby Shalekbriski, Eric A. Devuyst, Cheryl S. Devuyst, Roger Sahs, Matt Stockton, Katlin Ramy
Journal of Applied Farm Economics
Intensive capital requirements relative to cash flows available inhibit the entry of beginning producers into the cattle industry. Here, we propose and analyze a strategy for beginning ranchers to build a herd. Over a three-year cycle, new producers borrow cash needed to purchase 450- pound heifers in the first year, breed heifers, sell open heifers and bull calves, retain heifer replacements, rebreed the two- year-old cows, and eventually sell bred two-turning-three cows 27 months after the initial heifer purchase. The goal is to retain a group of debt-free heifers. Analyses conducted over 14 cycles of 27 months each across three …
The Role Of Farmer Heterogeneity In Nutrient Management: A Farm-Level Analysis, Hua Wang, Naveen Adusumilli, Daniel Fromme, Keith Shannon
The Role Of Farmer Heterogeneity In Nutrient Management: A Farm-Level Analysis, Hua Wang, Naveen Adusumilli, Daniel Fromme, Keith Shannon
Journal of Applied Farm Economics
Understanding farmer heterogeneity regarding nutrient management decisions is crucial for the success of any nonpoint source pollution prevention programs. Data from a farm- level experiment of cover crops in corn production were used in the Stochastic Efficiency with Respect to a Function framework to examine preference for nitrogen strategies over a range of risk aversion levels. We show the highest net return and certainty equivalent to the consideration of N supplied by cover crops. The results provide insights into policy discussions about the level of conservation incentives and plans that offer solutions to mitigate nonpoint source pollution.
Disaggregating The Vegetables, Fruits And Nuts Sector To The Tariff Line In The Gtap-Hs Framework, Maksym Chepeliev, Alla Golub, Thomas Hertel, Wajiha Saeed, Jayson Beckman
Disaggregating The Vegetables, Fruits And Nuts Sector To The Tariff Line In The Gtap-Hs Framework, Maksym Chepeliev, Alla Golub, Thomas Hertel, Wajiha Saeed, Jayson Beckman
Department of Agricultural Economics Faculty Publications
Computable general equilibrium (CGE) models provide valuable insights into economy-wide and aggregate sectoral impacts of trade policies. However, when it comes to the assessment of specific interventions, the level of aggregation in these models is often deemed too coarse to inform negotiations. For example, in the Global Trade Analysis Project (GTAP) Data Base, all vegetables, fruits and nuts - over hundred individual commodities - are represented under one sector. Analysis at the tariff line level is typically provided by partial equilibrium (PE) models, which cannot, however, capture economy-wide effects. In this paper, we contribute to the development of the GTAP-HS …
Possible Implications Of The European Carbon Border Adjustment Mechanism For Ukraine And Other Eu Trading Partners, Maksym Chepeliev
Possible Implications Of The European Carbon Border Adjustment Mechanism For Ukraine And Other Eu Trading Partners, Maksym Chepeliev
Department of Agricultural Economics Faculty Publications
This paper provides a quantitative assessment of the European Carbon Border Adjustment Mechanism (CBAM) implementation. We find limited impacts of the CBAM for most European Union (EU) trading partners. Ukraine is the most impacted country, with a per capita income change of -0.4% and reductions in domestic iron and steel production reaching 3.9%. Global exports of chemical products are impacted the most, with corresponding reductions exceeding 4% in some countries.
The Role Of Variable Rate Technology In Fertilizer Usage, Terry Wayne Griffin, Lavona Traywick
The Role Of Variable Rate Technology In Fertilizer Usage, Terry Wayne Griffin, Lavona Traywick
Journal of Applied Farm Economics
Precision technologies such as variable rate fertilizer applications have been touted as solving production agricultural issues, increasing yields, and improving environmental stewardship. Variable rate technologies have been widely available on farms especially via custom service providers; however, utilization rates of these technologies remain relatively low. Low adoption rates indicate barriers to adoption and an opportunity for market expansion. The degree to which such technologies may reduce the demand for fertilizers will depend on VRT adoption rates.