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Articles 9331 - 9360 of 14771
Full-Text Articles in Agricultural Science
Effects Of Char On Nitrogen Management In Agricultural Soils Of Semi-Arid Western Nebraska, Dinesh Panday
Effects Of Char On Nitrogen Management In Agricultural Soils Of Semi-Arid Western Nebraska, Dinesh Panday
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Soils in western Nebraska are characterized by low soil organic C due to semi-arid environment in the region and further aggravated by disruption of soil aggregates and rapid C decomposition from intensive tillage, erosion, and frequent droughts. Proper management of soil C may improve soil properties, reduce N losses, and subsequently improve crop yields in this low C soil and low moisture condition. This dissertation focuses on C-rich coal char (henceforth “char”) as a potential strategy to overcome the existing problem of low C in semi-arid region. Char is an industrial by-product, resulting from inefficient coal burning during sugar beet …
Water Management Effects On Trace Gas Emissions Under Greenhouse Conditions From Direct-Seeded Hybrid Rice In A Silt-Loam Soil, Diego Della Lunga, Kristofor R. Brye, Trenton L. Roberts, Shelby G. Lebeau
Water Management Effects On Trace Gas Emissions Under Greenhouse Conditions From Direct-Seeded Hybrid Rice In A Silt-Loam Soil, Diego Della Lunga, Kristofor R. Brye, Trenton L. Roberts, Shelby G. Lebeau
Crop, Soil and Environmental Sciences Faculty Publications and Presentations
Water management regimes influence greenhouse gas emissions in rice (Oryza sativa L.) production. The objective of this study was to quantify methane (CH4 ), nitrous oxide (N2 O), and carbon dioxide (CO2 ) under direct-seeded conditions in the greenhouse to evaluate the effects of water regime on fluxes and growing-season-long emissions. Research was conducted during 2019 using a hybrid rice cultivar (RT 7311 CL) grown in a DeWitt silt loam (Albaqualf). Six plastic tubs, filled with 21 kg of soil and manually seeded, were arranged in a completely random design with two replications of three water regime treatments: i) flooded, …
Biochar And Gypsum Amendment Of Agro-Industrial Waste For Enhanced Black Soldier Fly Larval Biomass And Quality Frass Fertilizer, Dennis Beesigamukama, Benson Mochoge, Nicholas K. Korir, Komi K.M. Fiaboe, Dorothy Nakimbugwe, Fathiya M. Khamis, Thomas Dubois, Sevgan Subramanian, Musyoka M. Wangu, Sunday Ekesi, Chrysantus M. Tanga
Biochar And Gypsum Amendment Of Agro-Industrial Waste For Enhanced Black Soldier Fly Larval Biomass And Quality Frass Fertilizer, Dennis Beesigamukama, Benson Mochoge, Nicholas K. Korir, Komi K.M. Fiaboe, Dorothy Nakimbugwe, Fathiya M. Khamis, Thomas Dubois, Sevgan Subramanian, Musyoka M. Wangu, Sunday Ekesi, Chrysantus M. Tanga
All Peer-Reviewed Publications
Black soldier fly (BSF) (Hermetia illucens L.) is one of the most efficient bio-waste recyclers. Although, waste substrate amendments with biochar or gypsum during composting process are known to enhance nutrient retention, their impact on agro-industrial waste have not been documented. Hence, this study focuses on a comparative effect of agro-industrial waste amended with biochar and gypsum on BSF larval performance, waste degradation, and nitrogen (N) and potassium retention in frass fertilizer. Brewery spent grain was amended with biochar or gypsum at 0, 5, 10, 15 and 20% to determine the most effective rates of inclusion. Amending feedstock with 20% …
Diversity And Structure Of Prokaryotic Communities Within Organic And Conventional Farming Systems In Central Highlands Of Kenya, Edward Nderitu Karanja, Andreas Fliessbach, Noah Adamtey, Anne Kelly Kambura, Martha Musyoka, Komi Fiaboe, Romano Mwirichia
Diversity And Structure Of Prokaryotic Communities Within Organic And Conventional Farming Systems In Central Highlands Of Kenya, Edward Nderitu Karanja, Andreas Fliessbach, Noah Adamtey, Anne Kelly Kambura, Martha Musyoka, Komi Fiaboe, Romano Mwirichia
All Peer-Reviewed Publications
Management practices such as tillage, crop rotation, irrigation, organic and inorganic inputs application are known to influence diversity and function of soil microbial populations. In this study, we investigated the effect of conventional versus organic farming systems at low and high input levels on structure and diversity of prokaryotic microbial communities. Soil samples were collected from the ongoing long-term farming system comparison trials established in 2007 at Chuka and Thika in Kenya. Physicochemical parameters for each sample were analyzed. Total DNA and RNA amplicons of variable region (V4-V7) of the 16S rRNA gene were generated on an Illumina platform using …
Tropical Forage Technologies Can Deliver Multiple Benefits In Sub-Saharan Africa. A Meta-Analysis, Birthe K. Paul, Jessica Koge, Brigitte L. Maass, An Notenbaert, Michael Peters, Jeroen C.J. Groot, Pablo Tittonell
Tropical Forage Technologies Can Deliver Multiple Benefits In Sub-Saharan Africa. A Meta-Analysis, Birthe K. Paul, Jessica Koge, Brigitte L. Maass, An Notenbaert, Michael Peters, Jeroen C.J. Groot, Pablo Tittonell
All Peer-Reviewed Publications
Scarcity of quantity and quality feed has been a key constraint to productivity of smallholder crop-livestock systems. Tropical forages include a variety of annual and perennial grasses, herbaceous and dual-purpose legumes, and multipurpose trees and shrubs. They have been promoted in Sub-Saharan Africa (SSA) for increasing livestock productivity and household income through higher quantity and quality of herbage, while contributing to soil improvement and higher food crop yields. For the first time, we quantitatively reviewed 72 experimental studies from across SSA to take stock of geographical distribution and forage technology focus of past research; quantify magnitudes of multidimensional impacts of …
In Ovo Administration Of Defined Lactic Acid Bacteria Previously Isolated From Adult Hens Induced Variations In The Cecae Microbiota Structure And Enterobacteriaceae Colonization On A Virulent Escherichia Coli Horizontal Infection Model In Broiler Chickens, Margarita A. Arreguin-Nava, Brittany D. Graham, Bishnu Adhikari, Melissa Agnello, Callie M. Selby, Xochitl Hernandez-Velasco, Christine N. Vuong, Bruno Solis-Cruz, Daniel Hernandez-Patlan, Juan David Latorre, Guillermo Tellez Jr., Billy M. Hargis, Guillermo Tellez-Isaias
In Ovo Administration Of Defined Lactic Acid Bacteria Previously Isolated From Adult Hens Induced Variations In The Cecae Microbiota Structure And Enterobacteriaceae Colonization On A Virulent Escherichia Coli Horizontal Infection Model In Broiler Chickens, Margarita A. Arreguin-Nava, Brittany D. Graham, Bishnu Adhikari, Melissa Agnello, Callie M. Selby, Xochitl Hernandez-Velasco, Christine N. Vuong, Bruno Solis-Cruz, Daniel Hernandez-Patlan, Juan David Latorre, Guillermo Tellez Jr., Billy M. Hargis, Guillermo Tellez-Isaias
Poultry Science Faculty Publications and Presentations
The effects of in ovo administration of a defined lactic acid microbiota (LAM), previously isolated from adult hens, in the cecae microbiota structure and Enterobacteriaceae colonization after exposure to virulent Escherichia coli during the hatching phase of broiler chickens were evaluated. Embryos inoculated with LAM showed a significant (P < 0.05) reduction of Enterobacteriaceae colonization at day-of-hatch (DOH) and day (d) 7. Furthermore, there was a significant increase in total lactic acid bacteria on DOH, body weight (BW) DOH, BW d7, and d0–d7 BW gain and reduced mortality d0–d7 was observed in the LAM group compared with that in phosphate-buffered saline (PBS) control. …
Influence Of Cover Crop Management Practices On Rainfed Corn Production In Semi-Arid Western Nebraska, Alexandre Tonon Rosa
Influence Of Cover Crop Management Practices On Rainfed Corn Production In Semi-Arid Western Nebraska, Alexandre Tonon Rosa
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
With the increased cover crop (CC) popularity, producers of semi-arid regions of western Nebraska are questioning whether they could successfully incorporate CC into their rainfed winter wheat (Triticum aestivum L.)-corn (Zea mays L.)-fallow rotations. The major concern is that CCs may deplete soil water affecting the subsequent crop. Therefore, three studies were established under rainfed conditions of western Nebraska to access the effects of CCs on soil water, soil compaction, nutrient cycling, weed demographics, residue coverage, and subsequent corn yield. The first study evaluated the influence of CC planting and termination times prior to corn establishment. Late termination …
Effects Of Grazing And Rainfall Variation On Root And Shoot Decomposition In Steppe Ecosystem, M. Giese, N. Fanselow, H. Brueck, S. Lin, Q. Pan, K. Dittert
Effects Of Grazing And Rainfall Variation On Root And Shoot Decomposition In Steppe Ecosystem, M. Giese, N. Fanselow, H. Brueck, S. Lin, Q. Pan, K. Dittert
IGC Proceedings (1977-2023)
No abstract provided.
Phosphate Uptake By White Clover (Trifolium Repens L.) Genotypes With Contrasting Nodal Root Morphology, James R. Crush, L. Ouyang
Phosphate Uptake By White Clover (Trifolium Repens L.) Genotypes With Contrasting Nodal Root Morphology, James R. Crush, L. Ouyang
IGC Proceedings (1977-2023)
No abstract provided.
Sulfate Sorption Measured By A Buffering Index Over A Range Of Properties Of Soils From South Western Australia, Geoff Anderson
Sulfate Sorption Measured By A Buffering Index Over A Range Of Properties Of Soils From South Western Australia, Geoff Anderson
Natural Resources Research Articles
Sulfate sorption by the soil affects the rate of sulfate leaching, which impacts on the availability of soil sulfate for plant uptake. In Australia, plant-available sulfur is measured using 0.25 M KCl heated for 3 h at 40°C to extract soil sulfur (SKCl40). This paper describes a technique referred to as a sulfate buffering index (SBI), which provides a measurement of sulfate sorption. SBI when combined with the estimates of the q and b parameters of the Freundlich equation, can be used to define a sorption curve. The equation is S = acb – q; where S is the …
Pyrrolizidine Alkaloid Accumulation In Tall Fescue During Plant Growth And Development, Walyati Burhan, F. F. Fannin, L. P. Bush
Pyrrolizidine Alkaloid Accumulation In Tall Fescue During Plant Growth And Development, Walyati Burhan, F. F. Fannin, L. P. Bush
IGC Proceedings (1977-2023)
No abstract provided.
Root Phenotypic Plasticity In Response To P Deficiency In Two Tall Fescue Cultivars, Mónica G. Agnusdei, M. J. Martinefsky, A. Mollier, S. Pellerin, Silvia G. Assuero
Root Phenotypic Plasticity In Response To P Deficiency In Two Tall Fescue Cultivars, Mónica G. Agnusdei, M. J. Martinefsky, A. Mollier, S. Pellerin, Silvia G. Assuero
IGC Proceedings (1977-2023)
No abstract provided.
Resources Use Efficiency In Tall Fescue And Annual Ryegrass Pastures With Different Nitrogen Nutrition (Humid Pampa, Argentina), Mónica G. Agnusdei, M. A. Marino, F. Lattanz
Resources Use Efficiency In Tall Fescue And Annual Ryegrass Pastures With Different Nitrogen Nutrition (Humid Pampa, Argentina), Mónica G. Agnusdei, M. A. Marino, F. Lattanz
IGC Proceedings (1977-2023)
No abstract provided.
Effect Of Tillage And Slurry Application On Soil Quality And Co2 Emissions, Iker Mijangos, Isabel Albizu, Lur Epelde, A. Ibarra, Carlos Garbisu
Effect Of Tillage And Slurry Application On Soil Quality And Co2 Emissions, Iker Mijangos, Isabel Albizu, Lur Epelde, A. Ibarra, Carlos Garbisu
IGC Proceedings (1977-2023)
No abstract provided.
Salt Driven Interactions Between Salsola Inermis And Pistacia Lent, Oz Barazani, Avi Golan-Goldhirsh
Salt Driven Interactions Between Salsola Inermis And Pistacia Lent, Oz Barazani, Avi Golan-Goldhirsh
IGC Proceedings (1977-2023)
No abstract provided.
Nitrogen Cycling In Intensively Grazed Pastures And Practices To Reduce Whole‐Farm Nitrogen Losses, Sterwart F. Ledgard, J. Luo
Nitrogen Cycling In Intensively Grazed Pastures And Practices To Reduce Whole‐Farm Nitrogen Losses, Sterwart F. Ledgard, J. Luo
IGC Proceedings (1977-2023)
No abstract provided.
Shifting Rangeland Mineral Resource Limitations: Ecological Responses To Atmospheric Nitrogen Deposition, Heather L. Throop
Shifting Rangeland Mineral Resource Limitations: Ecological Responses To Atmospheric Nitrogen Deposition, Heather L. Throop
IGC Proceedings (1977-2023)
No abstract provided.
How Do Grazing And Stochastic Rainfall Affect Vegetation? Insights From A Simulation Approach, S. Pütz, J. M. Paruelo, G. E. Weber, M. B. Bertiller, F. Jeltsch, T. Wiegand
How Do Grazing And Stochastic Rainfall Affect Vegetation? Insights From A Simulation Approach, S. Pütz, J. M. Paruelo, G. E. Weber, M. B. Bertiller, F. Jeltsch, T. Wiegand
IGC Proceedings (1977-2023)
No abstract provided.
The Results Of Analysis Of Allium Genus Of Mongolia, Batsukh Buyanchimeg
The Results Of Analysis Of Allium Genus Of Mongolia, Batsukh Buyanchimeg
IGC Proceedings (1977-2023)
No abstract provided.
Investigation The Improvement Operations Affections On Ecological Indexes Of Rangeland Health In Rangelands Of Golestan Province, Iran, Zeid Ahmadi, Mehdi Abedi, Gholam Ali Heshmati
Investigation The Improvement Operations Affections On Ecological Indexes Of Rangeland Health In Rangelands Of Golestan Province, Iran, Zeid Ahmadi, Mehdi Abedi, Gholam Ali Heshmati
IGC Proceedings (1977-2023)
No abstract provided.
The Monitoring Of Ecological Effect Of Implement Of Sand Control Project In Sand Source Area Round Beijing And Tianjing, Jun Hong, Xujiang Yun, Jie Liu
The Monitoring Of Ecological Effect Of Implement Of Sand Control Project In Sand Source Area Round Beijing And Tianjing, Jun Hong, Xujiang Yun, Jie Liu
IGC Proceedings (1977-2023)
No abstract provided.
Changes Of Residue Function And Signaling Regrowth After Forage Cutting, Huimin Yang, Linag Zhao, Yuying Shen, Xiaoyan Zhang
Changes Of Residue Function And Signaling Regrowth After Forage Cutting, Huimin Yang, Linag Zhao, Yuying Shen, Xiaoyan Zhang
IGC Proceedings (1977-2023)
No abstract provided.
Observation On The Pollen Morphology Of 5 Species Of Caragana Fabr. Plants In The Alashan Desert, Tao Wan, Ping Cai, Weidong Yi, Xiaoming Zhang, Chenbo Zhang
Observation On The Pollen Morphology Of 5 Species Of Caragana Fabr. Plants In The Alashan Desert, Tao Wan, Ping Cai, Weidong Yi, Xiaoming Zhang, Chenbo Zhang
IGC Proceedings (1977-2023)
No abstract provided.
Rangeland Availability, Use Of The Flora And Land Ownership In El Toro Gorge (Rosario De Lerma Department, Salta Province, Argentina), Francisco Ramón Barbarón
Rangeland Availability, Use Of The Flora And Land Ownership In El Toro Gorge (Rosario De Lerma Department, Salta Province, Argentina), Francisco Ramón Barbarón
IGC Proceedings (1977-2023)
No abstract provided.
Spatial‐Temporal Landscape Dynamics In The Hulunbeir Forest‐Steppe Ecotone, Licheng Liu, Shihai Lu
Spatial‐Temporal Landscape Dynamics In The Hulunbeir Forest‐Steppe Ecotone, Licheng Liu, Shihai Lu
IGC Proceedings (1977-2023)
No abstract provided.
Compound System And Benefit Analysis About Legumes Forage Intercrop With Prickly Ash In Linxia, Yanqiong Zeng, Shiming Yang
Compound System And Benefit Analysis About Legumes Forage Intercrop With Prickly Ash In Linxia, Yanqiong Zeng, Shiming Yang
IGC Proceedings (1977-2023)
No abstract provided.
Population Structure On Tubers Of Scirpus Planiculmisin Alkali‐Lake Habitat In The Songnen Plains Of China, Xun Tian, Yunfei Yang
Population Structure On Tubers Of Scirpus Planiculmisin Alkali‐Lake Habitat In The Songnen Plains Of China, Xun Tian, Yunfei Yang
IGC Proceedings (1977-2023)
No abstract provided.
Vegetation Succession Characters Of Desertification Grassland In Hulunbeier Steppe, Dongxia Liu
Vegetation Succession Characters Of Desertification Grassland In Hulunbeier Steppe, Dongxia Liu
IGC Proceedings (1977-2023)
No abstract provided.
Study On Photoperiod Sensitivity And Hereditary Potentiality Maize Inbred Lines, Zhengmei Zhu, Feng Tang, Xiaoliang Lu
Study On Photoperiod Sensitivity And Hereditary Potentiality Maize Inbred Lines, Zhengmei Zhu, Feng Tang, Xiaoliang Lu
IGC Proceedings (1977-2023)
No abstract provided.
Description Of Baetao-Manteiga 41 And ‘Yunguilla’ Superior Andean Common Beans For Tanzanian Production Environments, S. Nchimbi Msolla, Phillip N. Miklas, D. Fourie, M. Kilango, T. Porch
Description Of Baetao-Manteiga 41 And ‘Yunguilla’ Superior Andean Common Beans For Tanzanian Production Environments, S. Nchimbi Msolla, Phillip N. Miklas, D. Fourie, M. Kilango, T. Porch
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
An international effort was initiated with the evaluation of a diverse set of largeseeded Andean common beans (Phaseolus vulgaris L.), the Andean Diversity Panel, in sub-Saharan Africa. Several entries in the panel have been selected for extensive characterization on the basis of high performance acrossmultiple location × year trials in Tanzania—conducted both on station and on farm. Baetao- Manteiga 41, tested asADP-190, has a commercialKablanketi (light purple speckled) seed type, and ‘Yunguilla’, tested as ADP-447, has a commercial Calima (red mottled) seed type. Both lines exhibited yield stability, vigorous growth under low fertility conditions, angular leaf spot resistance, andmoderate …