Agriculture Commons^™

Environmental Ethics Of Plastics And Microplastics Manufacturing: Balancing Industrial Production And Ecological Responsibility, Arindam Gupta

Discovery Day - Daytona Beach

The global production of plastics has increased dramatically over the past several decades, providing substantial economic and societal benefits while simultaneously generating complex environmental and ethical challenges. A growing body of research has identified microplastics—plastic particles smaller than 5 millimeters—as persistent pollutants that accumulate in aquatic ecosystems, soil systems, and the atmosphere. These particles originate both from the degradation of larger plastic products and from direct industrial production processes used in plastics manufacturing. The ethical implications of plastics and microplastics production raise important questions about environmental responsibility, regulatory oversight, and the balance between economic development and ecological sustainability. This project …

Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2024, Frank Seo, Luke Pullo

AAES Research Reports and Research Bulletins

This report is the nineteenth in a series that examines agriculture’s economic contribution to the Arkansas economy. The total economic contribution of agriculture (direct, indirect, and induced effects) on value added, employment, and labor income was estimated with the Impact Analysis for Planning System (IMPLAN) for the most recent year available, 2024.

Evaluating The Motivations Of Participants In Online Equine Extension Courses, Sarah Vos

Department of Animal Science: Dissertations, Theses, and Student Research

Traditional program evaluations emphasize participant demographics, knowledge gain, behavior change, and program impact. However, evaluating participant motivation can provide addition insight into why participants enroll in extension programs and help explain participant engagement and persistence throughout a program. The purpose of this study was to evaluate participant motivation in two online equine extension courses and examine potential relationships between motivation, demographics, and course delivery method, and describe participant engagement in Virtual Horse Judging Camp (VHJC). This cross-sectional study utilized convenience sampling of participants in two online equine extension courses, Horse Adult Leader Training and Educational Resource (HALTER) and VHJC. The …

Thermal Conversion Of Cotton Gin Byproducts Into Liquid Fuels And High-Value Chemicals, Emmanuel Asare

Mechanical Engineering Theses

In this study, we performed fast pyrolysis, catalytic fast pyrolysis (CFP), and catalytic hydropyrolysis (CHP) of cotton gin byproducts (CGB) to investigate their conversion into hydrocarbon-rich liquid fuels and high-value aromatic chemicals. Five CGB fractions (CC1, CC2, SM, TM, and FCGB) were collected from different stages of cotton ginning operation and characterized by proximate, ultimate, and higher heating value (HHV) analysis. The feedstocks contained 41.5 44.8 wt.% carbon, 54.2–58.5 wt.% volatile matter, 6.0–15 wt.% ash, and higher heating values of 15.2–16.8 MJ kg⁻¹. All pyrolysis experiments were performed using a Pyroprobe 5200 coupled with GC-MS/FID, while catalyst loading, hydrogen pressure, …

Understanding Agricultural Irrigation Practices Along Utah's Wasatch Front Through Farmer-Reported Data, Garland Ledbetter

All Graduate Theses and Dissertations, Fall 2023 to Present

Water is a growing concern in Utah, especially along the Wasatch Front, where cities, farms, and communities all rely on the same limited water supply. Agriculture uses a large portion of the state’s water, so understanding how farms manage irrigation is important for statewide water planning. Utah currently uses a dataset called Water-Related Land Use (WRLU) to estimate agricultural water use across the state. This dataset provides useful information about irrigated land and crop types. However, it does not capture many of the day-to-day decisions farmers make when managing irrigation.

To better understand irrigation practices, this study surveyed 61 farmers …

Nutrient Leaching Under Traditional And Intercropped Cover Crop Fields In Northern Utah, Katherine Hewitt

All Graduate Theses and Dissertations, Fall 2023 to Present

This study examines whether cover crops can be used in Utah and the Intermountain West to improve water quality and reduce contamination due to nutrient leaching from agricultural soils into the groundwater. Cover crops such as grasses, clover, and other seed mixtures can be planted to improve soil health, increasing the soil’s ability to retain water and nutrients, which reduces the amount of nitrate and phosphate fertilizers lost through leaching and contamination. In Utah, short growing seasons and limited irrigation water availability hinder the ability to establish cover crops. By planting the cover crop between the rows (intercropping) when the …

Flexible Grazing: Evaluating Stocker Cattle As A Drought Management Tool For Utah Livestock Producers?, Ross Israelsen

All Graduate Reports and Creative Projects, Fall 2023 to Present

Drought is a persistent concern in the western United States, often leading to reduced forage production, overgrazing, and economic challenges for livestock producers. This study evaluates the economic feasibility of incorporating stocker cattle as a flexible drought management strategy under varying forage conditions across four Utah grazing locations: Park Valley, Nephi, Vernal, and Beaver. The Rangeland Analysis Platform (RAP) was used to estimate annual forage production and stocking rates from 2001 through 2025. Four stocking-rate scenarios (100%, 75%, 60%, and 50% cow–calf stocking rates) were evaluated using a Net Present Value (NPV) framework to compare the economic performance of traditional …

B.R. Wells Arkansas Rice Research Studies 2025, J. Hardke, X. Sha, N. Bateman

Arkansas Agricultural Experiment Station Research Series

Arkansas is the leading rice producer in the United States. The state represents 45.2% of total U.S. rice production and 45.7% of the total acres planted to rice in 2025. Rice cultural practices vary across the state and across the U.S. However, these practices are also dynamic and continue to evolve in response to changing political, environmental, and economic times. This survey was initiated in 2002 to monitor and record changes in the way Arkansas rice producers approach their livelihood. The survey was conducted by polling county extension agents in each of the counties in Arkansas that produce rice. Questions …

Summaries Of Arkansas Cotton Research 2025, Fred M. Bourland

Arkansas Agricultural Experiment Station Research Series

Planted cotton acreage in Arkansas decreased in 2025 to 520,000 acres compared to 650,000 planted acres in 2024. Arkansas producers harvested 515,000 acres, which was a decrease of 125,000 acres from the 640,000 acres harvested in 2024 (https://www.nass.usda.gov/Quick_Stats/Ag_Overview/stateOverview.php?state=Arkansas&year=2025). The 515,000 harvested acres ranked Arkansas third nationally, trailing only Texas and Georgia in harvested acres (https://esmis.nal.usda.gov/sites/default/release-files/795725/cropan26.pdf). The average cotton yield, as reported by the USDA, was 1,239 lb lint/ac, which ranked fourth nationally, behind California, Louisiana, and Arizona. Arkansas farmers produced an estimated 1.329 million bales, which is a decrease from 1.788 million bales produced in 2024. This production still ranks …

Bridging The Gap In Science Research: Preparing Students For College- Level Research In The Sciences, Victoria Helwig, Yaoguang Li

UConn Library Presentations

Many first-year students enter college unprepared to fully engage with scientific literature and academic library resources. Drawing on experiences from academic librarians working with STEM students, this session explores common gaps in science research skills, including navigating databases, identifying scholarly sources, and understanding the structure of scientific literature. Participants will be introduced to practical strategies and classroom-ready activities to better prepare students for college-level research. Discussion questions: What science research skills do students struggle with most when entering college? How can high school instruction better support these skills? Where can librarians and educators collaborate to support student success?

A Settlement From The Middle Ages And The Byzantine Period At Khirbat Ibreika (Hebrew, Pp. 37*–47*; English Summary, Pp. 199–200), Eli Yannai

'Atiqot

Six excavation squares were opened, revealing three strata: Stratum I, from the days of the British Mandate; Stratum II, from the Middle Ages; and Stratum III, from the Byzantine period. Most of the finds indicate intensive plundering of masonry from Stratum II. Stratum III yielded part of a press bed of an oil press with a mosaic pavement. The pottery finds attest that the Byzantine settlement was established in the sixth century CE, and continued until the end of the Mamluk period, and probably up to modern times. A hand axe, typical of the Upper Acheulian period, was found in …

The Excavation At Khirbat El-Batiya (Triangulation Spot 819) (Hebrew, Pp. 21*–28*; English Summary, Pp. 197–198), Hanaa Abu ‘Uqsa

'Atiqot

The western part of a large building was exposed, dating to the end of the Byzantine period. Two main strata were observed (I, II). Stratum Ia included the remains of a dry-built building, constructed from finely dressed limestone blocks arranged in headers and stretchers. The floors were paved with stone slabs, and the walls were probably coated with plaster. The finds from this phase date to the fifth–sixth centuries CE. Stratum Ib represents slight modifications that were carried out in the building. In Stratum II the building continued to be used, mainly in the southern part. A jug and a …

The Glass Finds From Khirbat El-Batiya (Triangulation Spot 819) (Hebrew, Pp. 29*–36*; English Summary, Pp. 198–199), Yael Gorin-Rosen

'Atiqot

Fragments of gold-glass tiles were retrieved from the excavation, together with well-known vessel types from the late Byzantine–Early Islamic periods. It is the first time that gold-glass tiles were found in situ. The glass vessels include a beaker/bowl, wineglasses and a bottle, as well as an exceptional mold-blown cosmetic flask from medieval times. The gold-glass tiles were probably part of the decoration of the Stratum I building, which was connected with a monastery or a church.

Kisra (Hebrew, Pp. 9*–19*; English Summary, Pp. 196–197), Hanaa Abu ‘Uqsa

'Atiqot

Two areas were excavated. In Area A, three strata were uncovered, from the Hellenistic, Byzantine and Crusader/Mamluk periods, alongside pottery from the Roman period. The Byzantine-period building housed an oil press installation, which was put out of use by a conflagration. In Area B, two strata were observed, from the Byzantine and Crusader/Mamluk periods.

Coins From Messillot (P. 93), Donald Ariel

'Atiqot

Fourteen coins were found in the excavation; all but one, which is gold, are copper. The coins appear to reflect occupation at the site in the fourth century CE and in the Umayyad period.

A Late Byzantine–Early Islamic-Period Farmhouse At Mesillot In The Bet She’An Valley (Pp. 181–192), Pinhas Porat

'Atiqot

Three strata (III–I) were identified during the excavation. The date of Stratum III is unknown. Stratum II, the main building phase at the site, probably dates to the late Byzantine period. A large, roughly square building was unearthed, comprising a large central courtyard surrounded by at least 16 rooms. It probably served as a farmhouse. Stratum I represents repairs and additions to the Stratum II building, possibly during the Early Islamic period. The finds from Strata II and I include pottery vessels, mostly domestic, iron objects, stone objects, a clay tile and coins. The latest coin dates from 739/740 CE …

Excavations At Khirbat Marmita (Pp. 139–178), Lilly Gershuny

'Atiqot

Three building complexes were uncovered at the site, as well as various installations that were quarried into bedrock. The buildings date from the first half of the first century BCE (Building 20/23), from the Hellenistic–Early Roman period (Building 84) and from the Herodian period (c. 30 to at least 67 CE; Building 104). Among the installations were five simple winepresses, typical of the Roman and Byzantine periods; a lever-and-weights oil press; cisterns with square or circular shafts; 33 cupmarks; caves; quarries; and a miqweh. The finds include pottery vessels, stone and basalt vases, glass vessels and metal artifacts. It seems …

The Coins From Khirbat Marmita (P. 179), Helena Sokolov

'Atiqot

Five coins were found at Khirbat Marmita, all of bronze. Three of the coins date to the reigns of Antiochus VII, Alexander Jannaeus and Nero; one is from the second year of the Jewish Revolt; and one is from the fifth century CE.

An Iron Age Pottery Assemblage From Underground Chambers At Jatt (Tel Gat) (Hebrew, Pp. 1*–7*; English Summary, P. 195), Michael Cohen

'Atiqot

Pottery vessels dating to Iron Age II were recovered from four underground units. They belong to a single ceramic assemblage, comprising bowls, kraters, cooking pots, jars, a jug and a lamp, indicating that they originated in dwellings. The vessels are characteristic of the northern coastal plain, dating primarily to the second half of the tenth–beginning of the ninth centuries BCE. This small-scale excavation sheds light on this early phase of occupation at Tell Jatt. The purpose of the underground units was not determined.

Archaeozoological Finds From The Excavations West Of Tell Qasille (Pp. 135–137), Moshe Sade

'Atiqot

Animal bones were found inside four of the tombs dated to Middle Bronze Age II. Each tomb contained the remains of one sheep/goat, usually within vessels. It seems that the people at this site raised cattle. A large number of donkey bones were also found. Sea shells were also present, probably due to the proximity of the site to the Mediterranean shore. Many animal bones were found in the Hellenistic-period assemblage.