Agriculture Commons^™

Soil Health Analysis (Lesson 2), Mara Johnson, Madhav P. Nepal, Jiyul Chang

iLEARN Teaching Resources

In this lesson, students will build on the previous lesson (reading and analyzing the Three Sisters chapter from Braiding Sweetgrass) by experimenting on soil in their schoolyard. Students will collect soil samples from multiple locations around their school grounds and evaluate soil texture, structure, infiltration, color, organic matter, and pH. Students Through field observations and laboratory analysis, students examine how soil characteristics influence plant growth and ecosystem health. Students connect modern soil science with Indigenous agricultural knowledge, particularly the Three Sisters planting system described in Braiding Sweetgrass by Robin Wall Kimmerer. By exploring how healthy soil supports sustainable agriculture, …

Impact Of Different Light Emitting Diodes (Leds) Treatments On The Quality And Bioactive Compounds Of Cucumber (Cucumis Sativus L.) Fruit During Cold, Imad Eldin Abbas Yousif

Thesis/ Dissertation Defenses

Extending postharvest quality and maintaining the nutritional value of cucumber fruit requires specific storage conditions to postpone senescence and enhance marketability. The postharvest lightening environment is a main factor that influences quality preservation for harvested biomass. The objective of this study was to investigate the effects of different light emitting diodes (LEDs) spectra (green, red, blue, and white LEDs) alone or in combination with 1-Methylcyclopropene (1-MCP) on postharvest quality and bioactive compounds of cucumberfruit during cold storage. For 16 days at 5°C, fruits were either exposed to white, red, blue, or green LEDs or left in the dark (control). For …

Unh Extension Pollinator Garden Certification Application, Shyloh Favreau

UNH Cooperative Extension

When you certify your garden or landscape through The UNH Extension Pollinator Garden Certification Program, you become part of a growing community committed to creating meaningful habitat for pollinators through sustainable, science-based practices. Grounded in research, education, and shared learning, the program supports gardeners of all experience levels in contributing to the health and diversity of native pollinators. From plant selection to pollinator-friendly management practices, this application will guide you in planning, refining, and developing your garden into a safe, resilient habitat for native bees and other pollinating insects.

UNH Extension staff and Master Gardener volunteers are here to …

National Agricultural Library (Nal) Search., Leah Everitt, Sonya Lemke

Publications

SEARCH is the USDA National Agricultural Library (NAL)'s main discovery platform that provides integrated access to the NAL Digital Collections, Special Collections, PubAg and AGRICOLA. NAL SEARCH is a valuable tool for health science librarians, students, and professionals seeking veterinary science, nutrition, or animal experiment alternatives. This article aims to give users a comprehensive overview of this resource.

City Farm Slo: A Case Study Of Nonprofit Regenerative Agriculture, Carver Tunnell

Master's Theses

The focus of this thesis is to create a case study on City Farm SLO, a nonprofit based in San Luis Obispo, California, that has engaged in education and regenerative agriculture on City owned land since 2013. This case study is intended for use in undergraduate agribusiness and natural resource management courses, to encourage thoughtful discussion surrounding nonprofit and regenerative agricultural systems. The case presents the nonprofit at a time of relative success, having recently secured a lease renewal, extending stewardship 40 years into the future. However, the reliance on grants and donations threatens the security of the operation going …

Land-Based Learning As A Catalyst For Climate-Resilient And Sustainable Food Systems, Bashir Adelodun, Tammara Soma, Emmanuel Sulle

Arusha Climate and Environmental Research Centre

Climate change increasingly threatens agricultural productivity, food security, and rural livelihoods, with significant impacts in regions experiencing environmental and socio-economic vulnerabilities. While technological innovations are central to advancing climate-resilient agriculture, locally embedded knowledge systems are equally critical for enabling adaptive and sustainable food systems. This study examines how land-based learning (LBL) contributes to climate resilience through intergenerational knowledge transfer and context-specific adaptation practices. The study employed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, with a systematic literature search conducted across major scientific databases, i.e., Scopus and Web of Science using predefined inclusion and exclusion criteria. Eligible …

Leveraging Ict Adoption And Electricity Access For Sustainable Agricultural Productivity Among Nigerian Households, Menghan Huang, Qin Chen, Oluwayemisi Kadijat Adeleke, Mamdouh Abdulaziz Saleh Al-Faryan

The Philippine Agricultural Scientist

This study investigated ICT adoption (mobile phone and internet usage), access to electricity, and their impact on household agricultural productivity in Nigeria, Africa’s largest economy. Utilizing Wave 4 (2018 to 2019) Living Standards Measurement Study–Integrated Survey on Agriculture (LSMS–ISA) data covering 4,980 household heads, this study applied logit regression and Propensity Score Matching (PSM) for estimation, alongside a Cobb-Douglas production function to analyze input contributions to agricultural output. The findings revealed that the age, residential location, educational level, and access to electricity of household heads significantly determine technology adoption among farming households. Furthermore, ICT adoption exhibits a significant, positive relationship …

Effect Of Leaf Harvesting Frequency On Cassava Leaf Production And Tuber Yield Of Binulak, Lakan 1 (Upl Cv-2), And Sultan 6 (Nsic 2003 Cv-25), Fides Marciana Z. Tambalo, Rosa Buena A. Capuno, Hiyasmin Rose L. Benzon, Jayson F. Garcia, Lizette Sahar N. Arcillas, Rona Joy C. Tud

The Philippine Agricultural Scientist

Cassava (Manihot esculenta Crantz) is a vital staple crop in many developing countries, valued for its adaptability and dual-purpose use of roots and leaves. This study investigated the effects of leaf harvesting frequency on the leaf and tuber yields of 3 locally grown cassava varieties: Binulak, Lakan 1, and Sultan 6. The experiment followed a split plot in a Randomized Complete Block Design with 4 treatments varying in leaf harvesting frequency and initiation. Cassava leaves were harvested at 4, 6, 8, or 10 mo after planting (MAP), and tubers were harvested at 10 MAP. Results indicated that leaf yield …

Growth And Yield Of Rice (Oryza Sativa L.) Under Different Irrigation Methods In Transplanted And Direct-Seeded Systems, Wang Guirui, Crisanta S. Bueno

The Philippine Agricultural Scientist

In the face of climate change and socioeconomic transformation, there is an urgent need to save energy and enhance rice production. Direct-seeded rice (DSR) is a viable alternative to transplanted rice due to reduced water and labor requirements, potentially achieving comparable or higher yields with reduced inputs. This study was conducted in the 2025 dry and wet seasons in Los Baños, Philippines, using a 2-factorial randomized complete block design with 4 replications. The first factor was the 2 rice varieties NSIC Rc 506 (Tubigan 41, V1) and NSIC Rc 160 (Tubigan 14, V2), and the second factor was cultural management, …

In Vitro Assessment Of The Reproductive Biology Of Sweet Potato Weevil, Cylas Formicarius (Fabricius) (Coleoptera: Brentidae) Among Commonly Grown Sweet Potato Cultivars, Jerah Mystica Novenario, Flor A. Ceballo-Alcantara

The Philippine Agricultural Scientist

The sweet potato weevil, Cylas formicarius (Fabricius), is a devastating pest of sweet potato, Ipomoea batatas (L.) Lam., with a specific point of damage at the tuber where eggs are oviposited, and voracious larvae feed. Farmers in Tarlac province in the Philippines claim that a specific cultivar is highly infested by the pest, suggesting that other cultivars may not be susceptible to the pest damage. This study aimed to determine the reproductive biology of the weevil across 3 sweet potato cultivars (Inubi, Super Bureau, and Bureau) frequently grown in Central Luzon. Since the weevils are nocturnal, behavioral observations were conducted …

3dcotton, Md Ahmed Al Muzaddid, William J. Beksi

Agriculture - Archive

3DCotton is an image dataset consisting of 8 cotton plants recorded at the Texas A&M University Research Farm. The images were captured using an Apple iPhone at a resolution of 1040x1920 pixels. Approximately 150 images per plant were taken from a distance of 1 m by recording multiple viewpoints. These images can be utilized for developing 3D reconstruction methods.

Marker-Assisted Identification Of Hybrids In Polyembryonic ‘Carabao’ Mango (Mangifera Indica L.) Breeding In The Philippines, John Edward L. Felipe, Kyla Andrea G. Mendoza, Benjamin Christian J. Esguerra, Carolyn E. Alcasid, Gino R. Hernandez, Eureka Teresa M. Ocampo

The Philippine Agricultural Scientist

Varietal improvement of the Philippine ‘Carabao’ mango (Mangifera indica L.) through conventional breeding is constrained by polyembryony, which makes it difficult to distinguish zygotic hybrids from nucellar seedlings at early developmental stages. This study evaluated the utility of simple sequence repeat (SSR) markers for early and accurate identification of hybrids in polyembryonic ‘Carabao’ mango crosses. Genomic DNA was isolated from 24 parental accessions and 61 putative hybrid seedlings using a modified CTAB protocol that yielded DNA suitable for PCR-based marker analysis. Eighty-one SSR markers were screened across 29 parental combinations, of which 64 markers (79.0%) were polymorphic in at …

Crop Performance Of Aromatic Basmati Rice Grown In Tidal Lands In Indonesia [Research Note], Riza Adrianoor Saputra, Indra Jatmika Liran, Yulia Padma Sari

The Philippine Agricultural Scientist

Rice production in Banjar Regency has declined in recent years due to land-limiting factors, particularly the suboptimal conditions of tidal wetlands. Therefore, improving cultivation techniques for new superior varieties such as Aromatic Basmati is essential to enhance productivity on marginal lands. This study aimed to determine the best combination of seedling number per planting hole and seedling age, as well as to evaluate the effect of each factor on the growth and yield of Aromatic Basmati rice cultivated on tidal land. The experiment was conducted for 4 mo (August to December 2020) in the experimental paddy fields of the Agricultural …

Chemical And Sensory Consequences Of Oxidative And Reductive Handling Of White Wines, Amelia Pargellis

Master's Theses

In the 2024 and 2025 vintage four experiments were performed each with a different varietal, namely Albariño, Grenache blanc, Loureiro, and Vermentino. These experiments investigated the effects of hyperoxygenation, reductive winemaking techniques, while monitoring the oxidation-reduction potential.

Albariño grapes were made following two juice protocols, control/reductive (Reductive Control) and oxidative (HyOx). Reductive Control received antioxidants (50 ppm SO₂, 160 mg/L ascorbic acid) and CO₂ blanketing, and HyOx underwent hyperoxygenation at approximately 700 mL/L/h of air for two hours through a stainless-steel sparging stone with 10-µm pores. Juice was cold-settled and racked. Reductive Control juice was split into …

Can Generative Ai Make Farming Decisions? Current Status And Future Pathways: A Case Study In Row Crop Production With Chatgpt, Nipuna Chamara, Yufeng Ge, Joe Luck, Yu Pan, Saleh Taghvaeian, Cory Walters, Christopher Proctor, Daran Rudnick, Daren Redfearn

Department of Agricultural and Biological Systems Engineering: Faculty Publications

The agricultural decision-making process is experience-based, knowledge-dependent, time-sensitive, complex, and driven by historical data. Planting, fertilization, irrigation, and chemigation are key categories in farm decision-making, and currently there is no one-shot decision-support tool that covers all these activities. Generative Artificial Intelligence (AI) models are more advanced than traditional machine learning and deep learning models. These models have been trained on vast amounts of data from the internet, allowing them to accept unstructured data in various forms and generate human-like text, solutions to problems, and scenario predictions. Given this capability, we became interested in exploring the potential of generative AI in …

Sustainable Management Of Soilborne Pathogens In Strawberry Production Through Host Resistance And Sanitation Practices, Maria G. Alvarez Arredondo

Master's Theses

Strawberry production in California is significantly impacted by soilborne pathogens that reduce plant productivity and increase management costs. This research addressed management of these pathogens through two independent approaches: evaluation of host resistance in strawberry cultivars and assessment of sanitation practices for reducing pathogen movement between fields.

Macrophomina root rot, caused by Macrophomina phaseolina, was evaluated over two growing seasons (2024–2025 and 2025–2026) using field trials at California Polytechnic State University, San Luis Obispo. In Year 1, disease incidence varied widely among genotypes, with mortality ranging from 1.3% to 88.8% and an average mortality of 26.4%. Area under the …

Part I: Drip Tape Irrigation For Cut Flowers, Alex Rodriguez, Melanie Stock, James Frisby, Burdette Barker

All Current Publications

Drip irrigation can be the most efficient method for delivering water and has the added benefit of keeping moisture off foliage and blooms of cut flowers. This fact sheet is the first in a series of irrigation fact sheets for cut flowers. It provides a step-by-step guide to the initial selection and installation of a surface drip tape irrigation system. Descriptions of and considerations for common components, setup, management, and repair are discussed. While this content may apply to other horticultural and garden plants, this fact sheet was developed for cut flower crops and growers. We recommend USU Extension resources …

Arkansas Corn And Grain Sorghum Research Studies 2025, Jason Kelley, Travis Faske

Arkansas Agricultural Experiment Station Research Series

The 2025 edition of the Arkansas Corn and Grain Sorghum Research Studies Series includes research results on topics pertaining to corn and grain sorghum production, including weed, disease, nematode, and insect management; economics; irrigation; agronomics; soil fertility; drone use; research verification program results; and numerous miscellaneous topics. Our objective is to capture and broadly distribute the results of research projects funded by the Arkansas Corn and Grain Sorghum Board. The intended audience includes producers and their advisors, current investigators, and future researchers. The Series serves as a citable archive of research results. The reports inform and guide our long-term recommendations, …

Effects Of Led Light Spectra And 1-Mcp On Postharvest Quality And Bioactive Compounds Of Cucumber (Cucumis Sativus L.) During Cold Storage, Imad Eldin Abbas Yousif

Theses

Extending postharvest quality and maintaining the nutritional value of cucumber fruit requires specific storage conditions to postpone senescence and enhance marketability. The postharvest lighting environment is a main factor that influences quality preservation for harvested biomass. The objective of this study was to investigate the effects of different light emitting diodes (LED) spectra (green, red, blue, and white LED) alone or in combination with 1-Methylcyclopropene (1-MCP) on postharvest quality and bioactive compounds of cucumber fruit during cold storage for 16 days at 5°C, the control fruit were left in the dark. For combined treatment, the fruits were exposed to 1-MCP …

Exploring Regenerative Vegetable Systems On The Central Coast Of California, Una S. O'Connell

Master's Theses

As climate change and current agricultural practices place pressure on the long term sustainability and resilience of food production systems, there is growing interest in whether existing agricultural systems can adapt to maintain productivity while improving environmental outcomes.

This study evaluated the effects of regenerative versus standard organic vegetable production systems on yield, insect communities, and weed suppression across three field trials conducted on California's Central Coast. In addition, I collected baseline soil health data for all trials. Trials 1 and 2 were carried out at the Cal Poly San Luis Obispo Organic Farm using cabbage and broccoli as cash …