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Articles 3301 - 3330 of 8442
Full-Text Articles in Entire DC Network
Soil Health, Phosphorus And Carbon Dynamics In Response To A One-Time Compost Application And Cover Crops In Organic Dryland Winter Wheat, Idowu Ademola Atoloye
Soil Health, Phosphorus And Carbon Dynamics In Response To A One-Time Compost Application And Cover Crops In Organic Dryland Winter Wheat, Idowu Ademola Atoloye
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Organic dryland winter wheat (Triticum aestivum) growers in the U.S. are faced with high interannual variability in yields. This is related to the low annual precipitation and low soil fertility on the cultivated soils. Improving soil health is the key to increasing and maintaining crop yields. In this study, we compared the effects of different rates (0, 12.5, 25 and 50 Mg DW ha-1 compost and 2 Mg ha manure-1) of large quantities of steer manure compost and the inclusion of cover crops versus fallow on soil health and on carbon and phosphorus dynamics in …
Impacts Of Postharvest Temperature Exposure Profiles On Rice Physicochemical Properties, Seth Graham-Acquaah
Impacts Of Postharvest Temperature Exposure Profiles On Rice Physicochemical Properties, Seth Graham-Acquaah
Graduate Theses and Dissertations
Heated-air drying followed by tempering (HAT) is effective for increasing rough-rice drying rates without compromising head rice yield (HRY). However, heat exposure could affect rice end-use properties. Hypothesizing that the total amount of heat exposure incurred by rice during heated-air drying determines the trend and magnitude of changes in end-use properties, this dissertation sought to 1) characterize the effects of drying and tempering regimen on changes in end-use properties, 2) derive an index to quantify and compare the amount of heat exposure that rice kernels incur during active drying and, 3) relate values of this index to changes in rice …
Application Of X-Ray Imaging And Glass Transition Principles In Understanding Rice Kernel Fissure Formation, Zephania R. Odek
Application Of X-Ray Imaging And Glass Transition Principles In Understanding Rice Kernel Fissure Formation, Zephania R. Odek
Graduate Theses and Dissertations
Rice kernels with internal fractures of the endosperm, fissures, tend to break during milling, leading to head rice yield (HRY) reductions. Minimizing kernel fissuring is thus an important goal of the rice industry. To minimize fissuring during the drying process, a better understanding of the fissuring process and the kinetics thereof is required. The goal of this research was to use X-ray imaging and glass transition principles to better understand rough rice kernel fissuring. First, because the instance when the fissuring process is initiated and completed during the drying process is not well known, an X-ray imaging setup that allows …
Molecular Genetic Analysis Of Drought Resistance And Productivity Traits Of Rice Genotypes, Yheni Dwiningsih
Molecular Genetic Analysis Of Drought Resistance And Productivity Traits Of Rice Genotypes, Yheni Dwiningsih
Graduate Theses and Dissertations
Rice (Oryza sativa L.) is the staple food for a majority of the world’s population, and uses 30% of the global fresh water during its life cycle. Drought at the reproductive stage is the most important abiotic stress factor limiting grain yield. The United States is the third largest exporter of rice, and Arkansas is the top rice-producing state. The Arkansas rice-growing region in the Lower Mississippi belt is among the 10 areas with the highest risk of water scarcity. Adapted U.S. rice cultivars were screened for drought resistant (DR) traits to find sources for breeding U.S. rice cultivars for …
Association Mapping For Soybean (Glycine Max L. Merr.) Protein And Oil Content, Joseph Najjar
Association Mapping For Soybean (Glycine Max L. Merr.) Protein And Oil Content, Joseph Najjar
Graduate Theses and Dissertations
Soybean [Glycine Max (L.) Merrill] is an important economic crop because of its high content of seed protein and oil. Seed oil and protein content are quantitative inherited traits. The genetics of seed protein and oil levels have been extensively studied, with 367 QTL reported for protein and 475 QTL reported for oil to date. Validation of such QTLs, and identification of easily-automatable molecular markers around these QTL will aid the progression of breeding for such traits. The focus of this research was to discover novel and verify previously reported QTL related to protein and/or oil content via Genome-Wide Association …
Milk Intake Improves Outcomes For Young Lambs With Continuous Exposure To Gastrointestinal Parasites In Pasture‐Based System, Robyn A. Dynes, Ray A. Moss, R. W. Mcanulty, Alec D. Mackay
Milk Intake Improves Outcomes For Young Lambs With Continuous Exposure To Gastrointestinal Parasites In Pasture‐Based System, Robyn A. Dynes, Ray A. Moss, R. W. Mcanulty, Alec D. Mackay
IGC Proceedings (1977-2023)
No abstract provided.
Compost And Biochar To Promote Soil Biological Activities Under Sweet Potatoes Cultivation In A Subtropical Semiarid Region, Josabeth Navarro, Jahdiel Salazar, James Jihoon Kang, Jason Parsons, Chu-Lin Cheng, Alexandria Castillo, Engil Isadora Pujol Pereira
Compost And Biochar To Promote Soil Biological Activities Under Sweet Potatoes Cultivation In A Subtropical Semiarid Region, Josabeth Navarro, Jahdiel Salazar, James Jihoon Kang, Jason Parsons, Chu-Lin Cheng, Alexandria Castillo, Engil Isadora Pujol Pereira
School of Earth, Environmental, & Marine Sciences Faculty Publications
South Texas is located in a subtropical semiarid climate, and due to high temperature and irregular precipitation, farmers opt to leave their fields fallow during the summer months jeopardizing overall soil health. We evaluated whether sweet potato (Ipomoea batatas) cultivation coupled with drip irrigation could restore soil biological activities compared with bare fallow. Additionally, because sweet potatoes have high demand of soil nutrients, especially potassium (K), we evaluated the nutrient supply of locally sourced soil amendments. Sweet potato was cultivated during summer 2018 in McAllen, Texas, under control (no fertilizer), NPK (synthetic fertilizer), RC (yard-waste compost), and AC (compost produced …
Urinary‐Nitrogen Output By Dairy Cows In Conventional And Organic Grazing Systems, I. M. Brookes, David J. Horne, A. R. Thatcher
Urinary‐Nitrogen Output By Dairy Cows In Conventional And Organic Grazing Systems, I. M. Brookes, David J. Horne, A. R. Thatcher
IGC Proceedings (1977-2023)
No abstract provided.
Effect Of Community Grazing Regulation On Degraded Grasslands In Inner Mongolia, Ian Auldist, Zihong Chen, E. Erdun Baolige
Effect Of Community Grazing Regulation On Degraded Grasslands In Inner Mongolia, Ian Auldist, Zihong Chen, E. Erdun Baolige
IGC Proceedings (1977-2023)
No abstract provided.
Supplementary Feed To Improve The Production Of Dairy Cattle Under Zero Grazing Condition In Bangladesh, M. A. S. Khan, M. A. Islam
Supplementary Feed To Improve The Production Of Dairy Cattle Under Zero Grazing Condition In Bangladesh, M. A. S. Khan, M. A. Islam
IGC Proceedings (1977-2023)
No abstract provided.
Soil Management Systems To Overcome Multiple Constraints For Dryland Crops On Deep Sands In A Water Limited Environment On The South Coast Of Western Australia, David J. Hall, Stephen L. Davies, Richard W. Bell, Tom Edwards
Soil Management Systems To Overcome Multiple Constraints For Dryland Crops On Deep Sands In A Water Limited Environment On The South Coast Of Western Australia, David J. Hall, Stephen L. Davies, Richard W. Bell, Tom Edwards
Grain and Other Field Crops Research Articles
Deep sands on the south coast sandplain of Western Australia (WA) have multiple soil constraints including water repellence, high soil strength, low nutrient levels and subsoil acidity. The aim of the study was to test contrasting methods of managing water repellence and to assess their impacts on one or more soil constraints to crop production. These methods included seeding tyne design (knife point, winged points, paired row), soil wetting agent addition, strategic inversion tillage (rotary spading, mouldboard ploughing to 0.35 m) and clay-rich subsoil addition (170 t ha−1 with incorporation by spading to 0.20 or 0.35 m). Limesand (2 t …
Effect Of High And Low Pasture Allowance During Pregnancy On Ewe Lamb Pregnancy Performance, Paul R. Kenyon, F. J. Mulvaney, Stephen T. Morris, D. M. West
Effect Of High And Low Pasture Allowance During Pregnancy On Ewe Lamb Pregnancy Performance, Paul R. Kenyon, F. J. Mulvaney, Stephen T. Morris, D. M. West
IGC Proceedings (1977-2023)
No abstract provided.
Lamb Growth On Leaf Turnips, White Clover And Pasture In Summer, C. L. Lindsay, Peter D. Kemp, Paul R. Kenyon, Stephen T. Morris, A. J. Wall
Lamb Growth On Leaf Turnips, White Clover And Pasture In Summer, C. L. Lindsay, Peter D. Kemp, Paul R. Kenyon, Stephen T. Morris, A. J. Wall
IGC Proceedings (1977-2023)
No abstract provided.
Response Of Plantain And Chicory To Frequency And Intensity Of Cutting, Y. Yu, M. X. Long, D. W. Zhou, Peter D. Kemp
Response Of Plantain And Chicory To Frequency And Intensity Of Cutting, Y. Yu, M. X. Long, D. W. Zhou, Peter D. Kemp
IGC Proceedings (1977-2023)
No abstract provided.
Production System Elements Related To Fat Distribution In Beef Steers, J. W. Holloway, E. K. Bumpus, J. Sawyer, B. G. Warrington, R. R. Scott, T. D. A. Forbes
Production System Elements Related To Fat Distribution In Beef Steers, J. W. Holloway, E. K. Bumpus, J. Sawyer, B. G. Warrington, R. R. Scott, T. D. A. Forbes
IGC Proceedings (1977-2023)
No abstract provided.
Rumen And Serum Metabolomes In Response To Endophyte-Infected Tall Fescue Seed And Isoflavone Supplementation In Beef Steers, Taylor B. Ault-Seay, Emily A. Melchior-Tiffany, Brooke A. Clemmons, Juan F. Cordero, Gary E. Bates, Michael D. Flythe, James L. Klotz, Huihua Ji, Jack P. Goodman, Kyle J. Mclean, Phillip R. Myer
Rumen And Serum Metabolomes In Response To Endophyte-Infected Tall Fescue Seed And Isoflavone Supplementation In Beef Steers, Taylor B. Ault-Seay, Emily A. Melchior-Tiffany, Brooke A. Clemmons, Juan F. Cordero, Gary E. Bates, Michael D. Flythe, James L. Klotz, Huihua Ji, Jack P. Goodman, Kyle J. Mclean, Phillip R. Myer
Kentucky Tobacco Research and Development Center Faculty Publications
Fescue toxicosis impacts beef cattle production via reductions in weight gain and muscle development. Isoflavone supplementation has displayed potential for mitigating these effects. The objective of the current study was to evaluate isoflavone supplementation with fescue seed consumption on rumen and serum metabolomes. Angus steers (n = 36) were allocated randomly in a 2 × 2 factorial arrangement of treatments including endophyte-infected (E+) or endophyte-free (E−) tall fescue seed, with (P+) or without (P−) isoflavones. Steers were provided a basal diet with fescue seed for 21 days, while isoflavones were orally administered daily. Following the trial, blood and rumen …
The Challenges Of Cropping And Forestry Intensification On Grasslands Livestock Production Systems: The Uruguayan Case, Fabio Montossi, Walter Ayala, R. Díaz
The Challenges Of Cropping And Forestry Intensification On Grasslands Livestock Production Systems: The Uruguayan Case, Fabio Montossi, Walter Ayala, R. Díaz
IGC Proceedings (1977-2023)
No abstract provided.
Forming Mechanism And Classification Standard Of "Black-Soil-Type" Degraded Grassland In Yangtze And Yellow River Headwater Region Of Qinghai-Tibetan Plateau, Y. S. Ma, Q. M. Dong, S. H. Yang, J. J. Shi, L. Sheng, Y. L. Wang, X. D. Sun
Forming Mechanism And Classification Standard Of "Black-Soil-Type" Degraded Grassland In Yangtze And Yellow River Headwater Region Of Qinghai-Tibetan Plateau, Y. S. Ma, Q. M. Dong, S. H. Yang, J. J. Shi, L. Sheng, Y. L. Wang, X. D. Sun
IGC Proceedings (1977-2023)
No abstract provided.
Differential Lead Accumulation In Brassica Juncea, Brassica Rapa, And Lactuca Sativa And Evaluation Of Ground Level Barriers To Prevent Lead Contamination Of Produce Grown In Raised Beds, Celine Vera Richard
Differential Lead Accumulation In Brassica Juncea, Brassica Rapa, And Lactuca Sativa And Evaluation Of Ground Level Barriers To Prevent Lead Contamination Of Produce Grown In Raised Beds, Celine Vera Richard
LSU Master's Theses
High lead (Pb) contamination of soils is a threat to human health. Urban area soils are frequently contaminated with lead from settling of gasoline exhaust, brake dust, and lead paint on homes, old playground equipment, etc. Exposure to soil-lead occurs by ingestion or inhalation and poses an elevated risk for young children. Indirect ingestion can occur through the food chain through activities such as growing certain vegetables with an ability to tolerate and accumulate lead in edible tissues. Many university extension systems recommend growing vegetables in raised beds as a reasonable reduced risk option for avoiding lead accumulation in garden …
Evaluation Of Louisiana Farm To School Programming: Harvest Of The Month And Local Food Procurement, Arin M. Shaffer
Evaluation Of Louisiana Farm To School Programming: Harvest Of The Month And Local Food Procurement, Arin M. Shaffer
LSU Master's Theses
Farm to school is a growing movement that is beginning to draw serious interest in different parts of the United States due to its ability to connect communities with their local producers while providing many benefits. Farm to school entails three main components: school gardening, education and curriculum, and local food procurement. The farm to school movement is relatively new to the state of Louisiana and very little research has been conducted to evaluate the impact of the farm to school programs on local food procurement and the effect on school food environments. Case studies of three Louisiana parish school …
Use Of An Active Canopy Sensor Mounted On An Unmanned Aerial Vehicle To Monitor The Growth And Nitrogen Status Of Winter Wheat, Jie Jiang, Zeyu Zhang, Qiang Cao, Yan Liang, Brian Krienke, Yongchao Tian, Yan Zhu, Weixing Cao, Xiaojun Liu
Use Of An Active Canopy Sensor Mounted On An Unmanned Aerial Vehicle To Monitor The Growth And Nitrogen Status Of Winter Wheat, Jie Jiang, Zeyu Zhang, Qiang Cao, Yan Liang, Brian Krienke, Yongchao Tian, Yan Zhu, Weixing Cao, Xiaojun Liu
Department of Agronomy and Horticulture: Faculty Publications
Using remote sensing to rapidly acquire large-area crop growth information (e.g., shoot biomass, nitrogen status) is an urgent demand for modern crop production; unmanned aerial vehicle (UAV) acts as an effective monitoring platform. In order to improve the practicability and efficiency of UAV based monitoring technique, four field experiments involving different nitrogen (N) rates (0–360 kg N ha−1 ) and seven winter wheat (Triticum aestivum L.) varieties were conducted at different eco-sites (Sihong, Rugao, and Xinghua) during 2015–2019. A multispectral active canopy sensor (RapidSCAN CS-45; Holland Scientific Inc., Lincoln, NE, USA) mounted on a multirotor UAV platform was used …
The Kampala Statement-For-Action On Reactive Nitrogen In Africa And Globally, Mark A. Sutton, Peter Ebanyat, N. Raghuram, Mateete Bekunda, John S. Tenywa, Wilfried Winiwarter, Albert Bleeker, Eric A. Davidson, Jan Willem Erisman, Wim De Vries, James N. Galloway, Patrick Heffer, W. Kevin Hicks, Cargele Masso, Cheryl A. Palm, Clifford S. Snyder, Bernard Vanlauwe, Shamie Zingore, Delegates Of The 6th International
The Kampala Statement-For-Action On Reactive Nitrogen In Africa And Globally, Mark A. Sutton, Peter Ebanyat, N. Raghuram, Mateete Bekunda, John S. Tenywa, Wilfried Winiwarter, Albert Bleeker, Eric A. Davidson, Jan Willem Erisman, Wim De Vries, James N. Galloway, Patrick Heffer, W. Kevin Hicks, Cargele Masso, Cheryl A. Palm, Clifford S. Snyder, Bernard Vanlauwe, Shamie Zingore, Delegates Of The 6th International
All Peer-Reviewed Publications
Following discussions at the 6th International Nitrogen Conference, Kampala (24th-27th November 2013), the delegates agreed the Kampala Statement-for-Action on Reactive Nitrogen in Africa and Globally. The Statement-for-Action highlights the global challenge of aiming for just enough nitrogen: enough to meet human needs for food, fuel and fibre, while avoiding excess that contributes to air and water pollution, climate change and ecosystem degradation. The following priorities for Africa are highlighted: (i) Sub-Saharan African agriculture needs to be part of the solution to regional and world food security. This will require restoring and sustaining the fertility of Sub-Saharan African soils through better …
Interactions Between Defoliation, Warming, And Drought In A Native Northern Grassland In Alberta, Canada, J. F. Cahill, E. W. Bork, S. X. Chang, H. C. Proctor, S. D. Wilson
Interactions Between Defoliation, Warming, And Drought In A Native Northern Grassland In Alberta, Canada, J. F. Cahill, E. W. Bork, S. X. Chang, H. C. Proctor, S. D. Wilson
IGC Proceedings (1977-2023)
No abstract provided.
Modeling The Impact Of Grazing On Water Budgets, Ying Zhao, Stephan Peth, Julia Krümmelbein, Bettina Ketzer, Yingzhi Gao, Christian Bernhofer, Rainer Horn
Modeling The Impact Of Grazing On Water Budgets, Ying Zhao, Stephan Peth, Julia Krümmelbein, Bettina Ketzer, Yingzhi Gao, Christian Bernhofer, Rainer Horn
IGC Proceedings (1977-2023)
No abstract provided.
Yield And Quality Of Italian Ryegrass As Affected By Supplemental Irrigation, M. E. V. L. Lourenço, P. M. M. Palma, L. L. Silva, Vitor M. L. Massa
Yield And Quality Of Italian Ryegrass As Affected By Supplemental Irrigation, M. E. V. L. Lourenço, P. M. M. Palma, L. L. Silva, Vitor M. L. Massa
IGC Proceedings (1977-2023)
No abstract provided.
Level Of Water Stress Substantially Affects Productivity And Water Use Efficiency Of 30 Forages Used By The Australia Dairy Industry, James Neal, William Fulkerson, Roy Lawrie
Level Of Water Stress Substantially Affects Productivity And Water Use Efficiency Of 30 Forages Used By The Australia Dairy Industry, James Neal, William Fulkerson, Roy Lawrie
IGC Proceedings (1977-2023)
No abstract provided.
Digitaria Eriantha Under Water Deficiency, H. Laborde, M. B. Toribio, M. N. Fioretti, R. E. Brevedan, S. S. Baioni
Digitaria Eriantha Under Water Deficiency, H. Laborde, M. B. Toribio, M. N. Fioretti, R. E. Brevedan, S. S. Baioni
IGC Proceedings (1977-2023)
No abstract provided.
Inoculation And Amendment Strategies Influence Switchgrass Establishment In Degraded Soil, Ekundayo Adeleke, Kudjo E. Dzantor, Ali Taheri
Inoculation And Amendment Strategies Influence Switchgrass Establishment In Degraded Soil, Ekundayo Adeleke, Kudjo E. Dzantor, Ali Taheri
Agricultural and Environmental Sciences Faculty Research
Bioenergy feedstock production on degraded land can serve as a means for modulating land competition for food versus energy. Due to little or no agricultural value of degraded soil, fortification of the soil with an organic amendment or inoculum will improve biomass productivity. However, as farmers struggle to rejuvenate their degraded land, there is a need for a quick screening strategy to select the best method of enhancing cellulosic (switchgrass, SG) biomass production in degraded soil. The goal of this study is to evaluate the effects of soil amendment and inoculation strategies on biomass productivities of SG in a reclaimed …
How Small Cannabis Businesses Can Survive The Hurdles Of Ip Protection, Spencer Keller
How Small Cannabis Businesses Can Survive The Hurdles Of Ip Protection, Spencer Keller
Texas A&M Law Review
The current state of cannabis and intellectual property laws and regulations leaves small and emerging cannabis businesses at a distinct disadvantage compared to those in other industries. Those wishing to pursue cannabis inventions and patents face an uphill battle as cannabis research and development is nearly impossible to conduct legally. The difficulty in researching cannabis has pushed companies to move their research outside of the United States, leaving those growing businesses unable to corner their market in the cannabis industry. Complicating matters further are the overly broad patents that cannabis patentees are likely receiving as a result of market participants …
Hyperspectral Properties Of Date Palm Trees (Phoenix Dactylifera L.), Mohamed Ali Saeed Ahmed Al Abdouli
Hyperspectral Properties Of Date Palm Trees (Phoenix Dactylifera L.), Mohamed Ali Saeed Ahmed Al Abdouli
Theses
The goal of this study is to classify the Date Palm varieties based on hyperspectral signature technology since it is difficult to identify the Date Palm cultivars without fruits. It will also help to obtain the hyperspectral signature for different types of date palm trees. Moreover, it also assists to determine the wavelength fingerprint of each cultivar and to recommend the best classification protocol differentiating among different cultivars based on spectral signature. Utilizing the Hyperspectral imaging technology precisely on the leaves of different Date Palm cultivars, thus facilitating identification of date palm cultivars without the fruits and make the spatial …