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Canavalia And Dolichos Extracts For Sustainable Pest Biocontrol And Plant Nutrition Improvement In El Salvador, Carlos Martinez 2019 University of Nebraska - Lincoln

Canavalia And Dolichos Extracts For Sustainable Pest Biocontrol And Plant Nutrition Improvement In El Salvador, Carlos Martinez

Theses, Dissertations, and Student Research in Agronomy and Horticulture

Botanical repellents and pesticides are now being rediscovered as new tools for integrated pest management in order to reduce the use of toxic chemicals in crop production. Canavalia gladiata and Dolichos lablab are two Fabaceae very well adapted to farmlands of El Salvador, effective as living barriers and mostly as cover crops, however, they are not yet very well disseminated. This document describes the potential for using the liquid extracts and the dry flour of raw seeds of those plants for economic benefit and practical convenience for pest management in Salvadorian agriculture under field conditions. Seed extracts were useful when ...


Evaluating Machine Learning Performance In Predicting Injury Severity In Agribusiness Industries, Fatemeh Davoudi Kakhki, Steven A. Freeman, Gretchen A. Mosher 2019 San Jose State University

Evaluating Machine Learning Performance In Predicting Injury Severity In Agribusiness Industries, Fatemeh Davoudi Kakhki, Steven A. Freeman, Gretchen A. Mosher

Agricultural and Biosystems Engineering Publications

Although machine learning methods have been used as an outcome prediction tool in many fields, their utilization in predicting incident outcome in occupational safety is relatively new. This study tests the performance of machine learning techniques in modeling and predicting occupational incidents severity with respect to accessible information of injured workers in agribusiness industries using workers’ compensation claims. More than 33,000 incidents within agribusiness industries in the Midwest of the United States for 2008–2016 were analyzed. The total cost of incidents was extracted and classified from workers’ compensation claims. Supervised machine learning algorithms for classification (support vector machines ...


Twenty-First Century Skills: A Needs Assessment Of School-Based Agricultural Education Teachers, Kisia J. Weeks 2019 Utah State University

Twenty-First Century Skills: A Needs Assessment Of School-Based Agricultural Education Teachers, Kisia J. Weeks

All Graduate Theses and Dissertations

Preparing students to be career and work ready is a concern of educators and schools nationwide. Twenty-first century skills prepare students to enter the workforce or higher education with the ability to think critically and creatively, collaborate with others, take the initiative when approached with a task, and use technology to its fullest potential. If students are not learning the skills needed for success, it is because educators and schools are not teaching them. When students possess these skills, they are prepared to work in teams, think critically and creatively about a problem, display leadership and social skills, and communicate ...


Barriers, Roles, And Information Source Preferences For Utilizing Agricultural Science Projects Among Utah 4-H Extension Professionals, Aleigh Aurin 2019 Utah State University

Barriers, Roles, And Information Source Preferences For Utilizing Agricultural Science Projects Among Utah 4-H Extension Professionals, Aleigh Aurin

All Graduate Theses and Dissertations

Agriscience is the growing study of biotechnology, business, and economics within the agriculture industry. Through 4-H, youth can experience hands on learning through different program areas. The purpose of this study was to identify the barriers, roles, and how Utah 4-H personnel preferred to learn about new programs. The study showed time and available volunteers were a barrier for 4-H Extension personnel to implement Agriscience projects. Other results included internet and workshops as the top choices for training programs. The Extension personnel agreed it was their job to involve and educate youth. Yet, need training in how to integrate Robotics ...


Conserved, Breed-Dependent, And Subline-Dependent Innate Immune Responses Of Fayoumi And Leghorn Chicken Embryos To Newcastle Disease Virus Infection, Megan A. Schilling, Sahar Memari, Meredith Cavanaugh, Robab Katani, Melissa S. Deist, Jessica Radzio-Basu, Susan J. Lamont, Joram J. Buza, Vivek Kapur 2019 The Pennsylvania State University

Conserved, Breed-Dependent, And Subline-Dependent Innate Immune Responses Of Fayoumi And Leghorn Chicken Embryos To Newcastle Disease Virus Infection, Megan A. Schilling, Sahar Memari, Meredith Cavanaugh, Robab Katani, Melissa S. Deist, Jessica Radzio-Basu, Susan J. Lamont, Joram J. Buza, Vivek Kapur

Susan J. Lamont

Newcastle disease virus (NDV) is a threat to the global poultry industry, but particularly for smallholder farmers in low- and middle-income countries. Previous reports suggest that some breeds of chickens are less susceptible to NDV infection, however, the mechanisms contributing to this are unknown. We here examined the comparative transcriptional responses of innate immune genes to NDV infection in inbred sublines of the Fayoumi and Leghorn breeds known to differ in their relative susceptibility to infection as well as at the microchromosome bearing the major histocompatability complex (MHC) locus. The analysis identified a set of five core genes, Mx1, IRF1 ...


Physical And Thermal Properties Of Chia, Kañiwa, Triticale, And Farro Seeds As A Function Of Moisture Content, Rashid Suleiman, Kun Xie, Kurt A. Rosentrater 2019 Sokoine University of Agriculture

Physical And Thermal Properties Of Chia, Kañiwa, Triticale, And Farro Seeds As A Function Of Moisture Content, Rashid Suleiman, Kun Xie, Kurt A. Rosentrater

Kurt A. Rosentrater

The knowledge of physical and thermal properties in cereals, grains and oilseeds establishes an essential engineering tool for the design of equipment, storage structures, and processes. The physical properties and thermal properties for Chia, Kañiwa, Farro and Triticale grains were investigated at three levels of moisture content: 10%, 15% and 20% (d.b). Physical properties included 1000 seed weight, dimensions, mean diameters, surface area, volume, sphericity, and aspect ratio. Results indicated 1000 seed weight increased linearly with moisture content from 2.0 to 3.5 g for Chai, 2.5 to 4.0 g for Kañiwa, 42.7 to 48 ...


Improved Annotation Of The Domestic Pig Genome Through Integration Of Iso-Seq And Rna-Seq Data, Hamid Beiki, Haibo Liu, J. Huang, Nancy Manchanda, D. Nonneman, T. P. L. Smith, James M. Reecy, Christopher K. Tuggle 2019 Iowa State University

Improved Annotation Of The Domestic Pig Genome Through Integration Of Iso-Seq And Rna-Seq Data, Hamid Beiki, Haibo Liu, J. Huang, Nancy Manchanda, D. Nonneman, T. P. L. Smith, James M. Reecy, Christopher K. Tuggle

James M Reecy

Background: Our understanding of the pig transcriptome is limited. RNA transcript diversity among nine tissues was assessed using poly(A) selected single-molecule long-read isoform sequencing (Iso-seq) and Illumina RNA sequencing (RNA-seq) from a single White cross-bred pig.

Results: Across tissues, a total of 67,746 unique transcripts were observed, including 60.5% predicted proteincoding, 36.2% long non-coding RNA and 3.3% nonsense-mediated decay transcripts. On average, 90% of the splice junctions were supported by RNA-seq within tissue. A large proportion (80%) represented novel transcripts, mostly produced by known protein-coding genes (70%), while 17% corresponded to novel genes. On average ...


Sustainable Agriculture Lesson For Middle School Classrooms, Sara Colombe, Madhav P. Nepal, Jennifer McLaughlin, Matthew L. Miller, Larry B. Browning, P. Troy White 2019 Hoven High School, Hoven, South Dakota

Sustainable Agriculture Lesson For Middle School Classrooms, Sara Colombe, Madhav P. Nepal, Jennifer Mclaughlin, Matthew L. Miller, Larry B. Browning, P. Troy White

Madhav Nepal

In this lesson, students will learn about sustainability, where farmers/agriculturists can meet the needs of food, fiber, and fuel for the growing population. Students learn about growing population, its growth rate, major food source, sustainability barrel, potential ripple effects of positive impacts as well as the food waste and its effects.


Using Drones For Precision Agriculture, Jiyul Chang, Madhav P. Nepal 2019 South Dakota State University

Using Drones For Precision Agriculture, Jiyul Chang, Madhav P. Nepal

Madhav Nepal

In this teaching module, students will learn what Precision Agriculture is and how to apply drone into Precision Agriculture practices. To use data (images) taken by drone, students will learn the basic theory of Remote Sensing. Using images, students learn how to make NDVI (Normalized Difference Vegetation Index) maps and how to apply drone (remote sensing technique) in agriculture.


A Sophomore Level Introduction To Engineering Design Course, Norman Muzzy, Michelle L. Soupir, Steven J. Hoff 2019 Iowa State University

A Sophomore Level Introduction To Engineering Design Course, Norman Muzzy, Michelle L. Soupir, Steven J. Hoff

Norman Muzzy

Iowa State University has a sophomore level course that is known as ABE 218. The objectives of this course include learning a structured approach to engineering design, preparing the students for internships, learning the basics of project management, and connecting the theoretical engineering paper designs to physical reality. This informal paper discusses how the course is structured, identifies the lab projects that are part of the course, and discusses some of the results and challenges associated with ABE 218.


Applying What You Have Learned, Gretchen Mosher, Norman Muzzy, Dana Woolley 2019 Iowa State University

Applying What You Have Learned, Gretchen Mosher, Norman Muzzy, Dana Woolley

Norman Muzzy

Last April, a group of over 110 students presented their Capstone projects in the Department of Agricultural and Biosystems Engineering at Iowa State University. The Capstone program serves students in engineering and technology and is a required component of all ABE undergraduates. Capstone programs in engineering and technology are divided into two phases: a first-semester focus on defining the scope of the problem, and an emphasis on solution development and evaluation in the second semester. At the end of the first semester, the teams present their accomplishments at a poster session, where they receive feedback from ABE faculty and industry ...


Formeas200_Spring2019 (1) (2).Xlsx, Curtis Vanderschaaf 2019 Louisiana Tech University

Formeas200_Spring2019 (1) (2).Xlsx, Curtis Vanderschaaf

Curtis VanderSchaaf

TECHCruise is a freely available Excel program that summarizes forest inventories conducted using either fixed-radius or variable-radius sampling methods.  An infinite number of fixed-radius plot sizes can be selected while only 5, 10, 15, 20, and 40 BAFs can be selected.  A user can alter measurement units from tons to cubic foot volume and the number of plots that can be summarized can vary up to 50.

Three species can be selected, either loblolly pine, Soft hardwoods, and Hard hardwoods.  Soft hardwoods are poplar, red maple, and sweetgum while Hard hardwoods are oak, hickory, and ash.  Separate stand, stock, and ...


Hart County Foodways (Fa 1291), Manuscripts & Folklife Archives 2019 Western Kentucky University

Hart County Foodways (Fa 1291), Manuscripts & Folklife Archives

FA Finding Aids

Finding aid only for Folklife Archives Project 1291. Collection of projects conducted by students for Dr. Ann Ferrell's 2018 fieldwork class. Projects address traditional and contemporary foodways practices throughout Hart County, Kentucky.


Identification And Classification Of Poultry Eggs: A Case Study Utilizing Computer Vision And Machine Learning, Jeremy Lubich, Kyle Thomas, Daniel W. Engels 2019 Southern Methodist University

Identification And Classification Of Poultry Eggs: A Case Study Utilizing Computer Vision And Machine Learning, Jeremy Lubich, Kyle Thomas, Daniel W. Engels

SMU Data Science Review

We developed a method to identify, count, and classify chickens and eggs inside nesting boxes of a chicken coop. Utilizing an IoT AWS Deep Lens Camera for data capture and inferences, we trained and deployed a custom single-shot multibox (SSD) object detection and classification model. This allows us to monitor a complex environment with multiple chickens and eggs moving and appearing simultaneously within the video frames. The models can label video frames with classifications for 8 breeds of chickens and/or 4 colors of eggs, with 98% accuracy on chickens or eggs alone and 82.5% accuracy while detecting both ...


Summary Of Foliar Fungicide Applications On Corn In Iowa In 2018, Alison E. Robertson 2019 Iowa State University

Summary Of Foliar Fungicide Applications On Corn In Iowa In 2018, Alison E. Robertson

Alison Robertson

In 2018, we tested various foliar fungicides on corn at six locations in Iowa: ISU Northwest Research and Demonstration Farm (NWRF), Sutherland; Northeast Research and Demonstration Farm (NERF), Nashua; Northern Research and Demonstration Farm (NRF), Kanawha; Southwest Research and Demonstration Farm (SWRF), Lewis; Southeast Research and Demonstration Farm (SERF), Crawfordsville; and the Ag engineering and Agronomy Farm near Boone.


Mycotoxins And Deterioration In The 2018 Corn Crop, Charles R. Hurburgh, Alison E. Robertson 2019 Iowa State University

Mycotoxins And Deterioration In The 2018 Corn Crop, Charles R. Hurburgh, Alison E. Robertson

Alison Robertson

Above normal rains in September have slowed field crop dry-down. Coupled with early season drought in South Central and Southeast Iowa and above-average rainfall in the Northwest, there is high risk of reduced grain quality. Corn and soybeans remaining in the field are currently exposed to excessive moisture that encourages the growth of ear molds. Moldy kernels are counted in total damage, thereby affecting the overall grade of the corn. Additionally, if the fungus is capable of producing mycotoxins, affected grain may be subject to marketing restrictions.


Crop Quality Hurt By Rains, Charles R. Hurburgh, Alison E. Robertson 2019 Iowa State University

Crop Quality Hurt By Rains, Charles R. Hurburgh, Alison E. Robertson

Alison Robertson

This year continues the chain of years with unusual harvest conditions driven by rapid weather changes in the latter part of the growing season. In mid August, crops were significantly ahead of schedule in terms of maturity. Heat and moisture in May and June accelerated the pace of development, to the point that signs of maturity were evident by the 15th of August. Rains followed by above average temperatures began over Labor Day weekend, and have been repeated nearly every weekend to date. The forecast for the weekend of October 7 is more of the same – very heavy rains ...


Tracking Tar Spot In Corn 2018, Alison E. Robertson, Edward Zaworski, Ethan Stoetzer 2019 Iowa State University

Tracking Tar Spot In Corn 2018, Alison E. Robertson, Edward Zaworski, Ethan Stoetzer

Alison Robertson

Cases of tar spot in corn have been reported over recent weeks in 12 Iowa counties. Iowa State University Extension and Outreach plant pathologists have been able to confirm the presence of tar spot in four counties via the Iowa State University Plant and Insect Diagnostic Clinic. Agronomists and collaborators have confirmed the remaining cases throughout the state. The current counties with confirmed tar spot presence include: Jones, Jackson, Johnson, Muscatine, Fayette, Clayton, Black Hawk, Buchanan, Delaware, Dubuque, Clinton, Scott, Grundy and Chickasaw counties.


Epistatic Interactions Associated With Fatty Acid Concentrations Of Beef From Angus Sired Beef Cattle, Luke M. Kramer, M. A. Abdel Ghaffar, J. E. Koltes, E. R. Fritz-Waters, M. S. Mayes, A. D. Sewell, N. T. Weeks, D. J. Garrick, R. L. Fernando, L. Ma, J. M. Reecy 2019 Iowa State University

Epistatic Interactions Associated With Fatty Acid Concentrations Of Beef From Angus Sired Beef Cattle, Luke M. Kramer, M. A. Abdel Ghaffar, J. E. Koltes, E. R. Fritz-Waters, M. S. Mayes, A. D. Sewell, N. T. Weeks, D. J. Garrick, R. L. Fernando, L. Ma, J. M. Reecy

Nathan Weeks

Background: Consumers are becoming increasingly conscientious about the nutritional value of their food. Consumption of some fatty acids has been associated with human health traits such as blood pressure and cardiovascular disease. Therefore, it is important to investigate genetic variation in content of fatty acids present in meat. Previously publications reported regions of the cattle genome that are additively associated with variation in fatty acid content. This study evaluated epistatic interactions, which could account for additional genetic variation in fatty acid content.

Results: Epistatic interactions for 44 fatty acid traits in a population of Angus beef cattle were evaluated with ...


Pea Growth, Yield, And Quality In Different Crop Rotations And Cultural Practices, Upendra M. Sainju, Andrew W. Lenssen, Brett L. Allen, Jalal D. Jabro, William B. Stevens 2019 U.S. Department of Agriculture

Pea Growth, Yield, And Quality In Different Crop Rotations And Cultural Practices, Upendra M. Sainju, Andrew W. Lenssen, Brett L. Allen, Jalal D. Jabro, William B. Stevens

Andrew W. Lenssen

Dryland pea (Pisum sativum L.) is an important pulse crop that can replace fallow or be added to existing crop rotations to sustain crop yields in arid and semiarid regions. Yet, we lack management practices to enhance yield and quality of dryland pea. This study evaluated the effect of crop rotation and cultural practices on dryland pea growth, yield, and quality from 2006 to 2011 in the northern Great Plains, USA. Stacked rotations were durum (Triticum turgidum L.)–durum–canola (Brassica napus L.)–pea (DDCP) and durum–durum–flax (Linum usitatissimum L.)–pea (DDFP), and alternate-year rotations were durum–canola ...


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