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Articles 8341 - 8370 of 13592

Full-Text Articles in Plant Biology

Representativeness Of Eddy-Covariance Flux Footprints For Areas Surrounding Ameriflux Sites, Housen Chu, Timothy Arkebauer, Dave P. Billesbach, Hideki Kobayashi, Thomas J. Kolbe, Gregory Starr, Andrew Suyker, 63 Other Coauthors Jan 2021

Representativeness Of Eddy-Covariance Flux Footprints For Areas Surrounding Ameriflux Sites, Housen Chu, Timothy Arkebauer, Dave P. Billesbach, Hideki Kobayashi, Thomas J. Kolbe, Gregory Starr, Andrew Suyker, 63 Other Coauthors

Department of Agronomy and Horticulture: Faculty Publications

Large datasets of greenhouse gas and energy surface-atmosphere fluxes measured with the eddy-covariance technique (e.g., FLUXNET2015, AmeriFlux BASE) are widely used to benchmark models and remote-sensing products. This study addresses one of the major challenges facing model-data integration: To what spatial extent do flux measurements taken at individual eddy-covariance sites reflect model- or satellite-based grid cells? We evaluate flux footprints—the temporally dynamic source areas that contribute to measured fluxes—and the representativeness of these footprints for target areas (e.g., within 250–3000 m radii around flux towers) that are often used in flux-data synthesis and modeling studies. We examine the land-cover composition …


Improving Publicly Available Corn Nitrogen Rate Recommendation Tools With Soil And Weather Measurements, Curtis J. Ransom, Newell R. Kitchen, John E. Sawyer, James J. Camberato, Paul R. Carter, Richard Ferguson, Fabián G. Fernández, David W. Franzen, Carrie A.M. Laboski, D. Brenton Myers, Emerson D. Nafziger, John F. Shanahan Jan 2021

Improving Publicly Available Corn Nitrogen Rate Recommendation Tools With Soil And Weather Measurements, Curtis J. Ransom, Newell R. Kitchen, John E. Sawyer, James J. Camberato, Paul R. Carter, Richard Ferguson, Fabián G. Fernández, David W. Franzen, Carrie A.M. Laboski, D. Brenton Myers, Emerson D. Nafziger, John F. Shanahan

Department of Agronomy and Horticulture: Faculty Publications

Improving corn (Zea mays L.) N fertilizer rate recommendation tools is necessary for improving farmers’ profits and minimizing N pollution. Research has repeatedly shown that weather and soil factors influence available N and crop N need. Adjusting available corn N recommendation tools with soil and weather measurements could improve farmers’ ability to manage N. The aim of this research was to improve publicly available N recommendation tools with site-specific soil and weather measurements. Information from49 site-years ofNresponse trials in theU.S. Midwest was used to evaluate 21 rate recommendation tools for a single (at-planting) and split (at-planting + sidedress) N …


Adaptation And Forage Productivity Of Cool-Season Grasses In The Central Usa, Kenneth P. Vogel, Robert B. Mitchell Jan 2021

Adaptation And Forage Productivity Of Cool-Season Grasses In The Central Usa, Kenneth P. Vogel, Robert B. Mitchell

Department of Agronomy and Horticulture: Faculty Publications

Cool-season grass species (18) and cultivars (85) were evaluated for use in seeded grasslands in the tallgrass prairie and shortgrass steppe ecoregions of the central United States at the test locations of Ithaca and Sidney, NE, respectively. Both native and introduced grasses were evaluated in sward trails. Significant differences existed among species and cultivars for all traits evaluated except for in vitro dry matter digestibility (IVDMD) among cultivars within species at Sidney. The grasses that had the best establishment, persistence, and forage yields in the Ithaca trial were introduced wheatgrass (Thinopyrum) and bromegrass (Bromus) species. At …


Guidelines For The Use And Interpretation Of Assays For Monitoring Autophagy (4th Edition), Daniel Klionsky, Rodrigo Franco, Guangchao Sun, Richard Wilson, More Than 2000 Coauthors Jan 2021

Guidelines For The Use And Interpretation Of Assays For Monitoring Autophagy (4th Edition), Daniel Klionsky, Rodrigo Franco, Guangchao Sun, Richard Wilson, More Than 2000 Coauthors

Department of Agronomy and Horticulture: Faculty Publications

In 2008, we published the first set of guidelines for standardizing research in autophagy. Since then, this topic has received increasing attention, and many scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Thus, it is important to formulate on a regular basis updated guidelines for monitoring autophagy in different organisms. Despite numerous reviews, there continues to be confusion regarding acceptable methods to evaluate autophagy, especially in multicellular eukaryotes. Here, we present a set of guidelines for investigators to select and interpret methods to examine autophagy and related processes, and for reviewers to …


Collapse, Reorganization, And Regime Identity: Breaking Down Past Management Paradigms In A Forest-Grassland Ecotone, Victoria M. Donovan, Caleb P. Roberts, Carissa L. Wonkka, Daniel R. Uden, David G. Angeler, Craig R. Allen, David A. Wedin, Rhae A. Drijber, Dirac Twidwell Jan 2021

Collapse, Reorganization, And Regime Identity: Breaking Down Past Management Paradigms In A Forest-Grassland Ecotone, Victoria M. Donovan, Caleb P. Roberts, Carissa L. Wonkka, Daniel R. Uden, David G. Angeler, Craig R. Allen, David A. Wedin, Rhae A. Drijber, Dirac Twidwell

Department of Agronomy and Horticulture: Faculty Publications

The identity of an ecological regime is central to modern resilience theory and our understanding of how systems collapse and reorganize following disturbance. However, resilience-based models used in ecosystem management have been criticized for their failure to integrate disturbance outcomes into regime identity. Assessments are needed to understand how well these classifications represent ecosystem responses that occur over management relevant time scales. We tracked post-wildfire forest and grassland dynamics 27 years after wildfire in eastern ponderosa pine savanna. We tested for differences between the assigned identity of a site (forest or grassland) versus classifications based on the site's disturbance history …


Seed-Shattering Phenology At Soybean Harvest Of Economically Important Weeds In Multiple Regions Of The United States. Part 1: Broadleaf Species, Lauren M. Schwartz-Lazaro, Lovreet S. Shergill, Jeffrey A. Evans, Muthukumar V. Bagavathiannan, Shawn C. Beam, Mandy D. Bish, Jason A. Bond, Kevin W. Bradley, William S. Curran, Adam S. Davis, Wesley J. Everman, Michael L. Flessner, Steven C. Haring, Nicholas R. Jordan, Nicholas E. Korres, John L. Lindquist, Jason K. Norsworthy, Tameka L. Sanders, Larry E. Steckel, Mark J. Vangessel, Blake Young, Steven B. Mirsky Jan 2021

Seed-Shattering Phenology At Soybean Harvest Of Economically Important Weeds In Multiple Regions Of The United States. Part 1: Broadleaf Species, Lauren M. Schwartz-Lazaro, Lovreet S. Shergill, Jeffrey A. Evans, Muthukumar V. Bagavathiannan, Shawn C. Beam, Mandy D. Bish, Jason A. Bond, Kevin W. Bradley, William S. Curran, Adam S. Davis, Wesley J. Everman, Michael L. Flessner, Steven C. Haring, Nicholas R. Jordan, Nicholas E. Korres, John L. Lindquist, Jason K. Norsworthy, Tameka L. Sanders, Larry E. Steckel, Mark J. Vangessel, Blake Young, Steven B. Mirsky

Department of Agronomy and Horticulture: Faculty Publications

Potential effectiveness of harvest weed seed control (HWSC) systems depends upon seed shatter of the target weed species at crop maturity, enabling its collection and processing at crop harvest. However, seed retention likely is influenced by agroecological and environmental factors. In 2016 and 2017, we assessed seed-shatter phenology in 13 economically important broadleaf weed species in soybean [Glycine max (L.) Merr.] from crop physiological maturity to 4 wk after physiological maturity at multiple sites spread across 14 states in the southern, northern, and mid-Atlantic United States. Greater proportions of seeds were retained by weeds in southern latitudes and shatter rate …


Guiding Principles For Using Satellite-Derived Maps In Rangeland Management, Brady W. Allred, Megan K. Creutzburg, John C. Carlson, Christopher J. Cole, Colin M. Dovichin, Michael C. Duniway, Matthew O. Jones, Jeremy D. Maestas, David E. Naugle, Travis W. Naumen, Gregory S. Okin, Matthew C. Reeves, Matthew Rigge, Shannon L. Savage, Dirac Twidwell, Daniel R. Uden, Bo Zhou Jan 2021

Guiding Principles For Using Satellite-Derived Maps In Rangeland Management, Brady W. Allred, Megan K. Creutzburg, John C. Carlson, Christopher J. Cole, Colin M. Dovichin, Michael C. Duniway, Matthew O. Jones, Jeremy D. Maestas, David E. Naugle, Travis W. Naumen, Gregory S. Okin, Matthew C. Reeves, Matthew Rigge, Shannon L. Savage, Dirac Twidwell, Daniel R. Uden, Bo Zhou

Department of Agronomy and Horticulture: Faculty Publications

No abstract provided.


Vision, Challenges And Opportunities For A Plant Cell Atlas, Plant Cell Atlas Consortium, Suryatapa Ghosh Jha, Marc Libault, David W. Ehrhardt, Seung Y. Rhee, 32 Other Scientists Jan 2021

Vision, Challenges And Opportunities For A Plant Cell Atlas, Plant Cell Atlas Consortium, Suryatapa Ghosh Jha, Marc Libault, David W. Ehrhardt, Seung Y. Rhee, 32 Other Scientists

Department of Agronomy and Horticulture: Faculty Publications

With growing populations and pressing environmental problems, future economies will be increasingly plant-based. Now is the time to reimagine plant science as a critical component of fundamental science, agriculture, environmental stewardship, energy, technology and healthcare. This effort requires a conceptual and technological framework to identify and map all cell types, and to comprehensively annotate the localization and organization of molecules at cellular and tissue levels. This framework, called the Plant Cell Atlas (PCA), will be critical for understanding and engineering plant development, physiology and environmental responses. A workshop was convened to discuss the purpose and utility of such an initiative, …


Wildlife Forage Recovery Following Boreal Wildfire, Alexis Jorgensen, Jennifer Baltzer Jan 2021

Wildlife Forage Recovery Following Boreal Wildfire, Alexis Jorgensen, Jennifer Baltzer

Theses and Dissertations (Comprehensive)

Climate change is altering the boreal wildfire regime through increases in the extent and severity of burning and reductions in fire return intervals. These changes can alter the regeneration trajectory of canopy species and ground vegetation, with implications for wildlife habitat. There is some uncertainty about the timelines of when different animal species will use burned areas as their preferred forage taxa recover following fire, and how such recovery is mediated by environmental factors. Here, we aim to address these knowledge gaps through the following questions: 1) What are the main forage types consumed by boreal wildlife and how much …


Strategic Trampling To Conserve Soil Moisture In A Namibian Rangeland, I. Zimmermann, J. Labuschagne, V. K. Namupala Dec 2020

Strategic Trampling To Conserve Soil Moisture In A Namibian Rangeland, I. Zimmermann, J. Labuschagne, V. K. Namupala

IGC Proceedings (1977-2023)

No abstract provided.


Lactation Performance Of Murrah‐Improved Dairy Buffalo Grazing On Improved Pasture, G. R. Yang, A. K. Wang, J. C. Zhang, M. F. Fu, B. Z. Huang, X. P. Yuan, S. P. Yang Dec 2020

Lactation Performance Of Murrah‐Improved Dairy Buffalo Grazing On Improved Pasture, G. R. Yang, A. K. Wang, J. C. Zhang, M. F. Fu, B. Z. Huang, X. P. Yuan, S. P. Yang

IGC Proceedings (1977-2023)

No abstract provided.


Prediction Of Methane Emission Of Dairy Cows Offered Fresh Grass At Maintenance Level, Tianhai Yan, C. S. Mayne Dec 2020

Prediction Of Methane Emission Of Dairy Cows Offered Fresh Grass At Maintenance Level, Tianhai Yan, C. S. Mayne

IGC Proceedings (1977-2023)

No abstract provided.


Fattening Sheep In A Warm Shed To Compensate For Energy Deficiency In Winter In North‐West China, Jianping Wu, Zhe Liu, Lian Yang, David L. Michalk, Liping Zhang, Randall Jones, Zhaomin Lei Dec 2020

Fattening Sheep In A Warm Shed To Compensate For Energy Deficiency In Winter In North‐West China, Jianping Wu, Zhe Liu, Lian Yang, David L. Michalk, Liping Zhang, Randall Jones, Zhaomin Lei

IGC Proceedings (1977-2023)

No abstract provided.


Response Of Arid Grassland Community Standing Crop To Banning Grazing And Deferral Grazing Management, Zhijun Wei, Ruirui Yan, Hongmei Liu, Xiangjun Yun Dec 2020

Response Of Arid Grassland Community Standing Crop To Banning Grazing And Deferral Grazing Management, Zhijun Wei, Ruirui Yan, Hongmei Liu, Xiangjun Yun

IGC Proceedings (1977-2023)

No abstract provided.


The Effect Of Climate Change On Livestock Carrying Capacity Of Inner Mongolia, Yurong Wei, Ruiqing Guo, Xuebiao Pan, Buju Long Dec 2020

The Effect Of Climate Change On Livestock Carrying Capacity Of Inner Mongolia, Yurong Wei, Ruiqing Guo, Xuebiao Pan, Buju Long

IGC Proceedings (1977-2023)

No abstract provided.


Relationships Of Milk Production Of Beef Cows To Postweaning Gain Of Their Calves, X. Z. Wang, Michael A. Brown, F. Q. Gao, J. P. Wu Dec 2020

Relationships Of Milk Production Of Beef Cows To Postweaning Gain Of Their Calves, X. Z. Wang, Michael A. Brown, F. Q. Gao, J. P. Wu

IGC Proceedings (1977-2023)

No abstract provided.


The Rangeland Resource Status And Its Variability In Zoige, Qinghai‐Tibetan Plateau, Qian Wang, Ning Wu, Peng Luo Dec 2020

The Rangeland Resource Status And Its Variability In Zoige, Qinghai‐Tibetan Plateau, Qian Wang, Ning Wu, Peng Luo

IGC Proceedings (1977-2023)

No abstract provided.


The Change Of Soil Temperature To Stocking Rate On The Stipa Breviflora Desert Steppe, Jian'an Wang, Guodong Han, Yajuan Jia Dec 2020

The Change Of Soil Temperature To Stocking Rate On The Stipa Breviflora Desert Steppe, Jian'an Wang, Guodong Han, Yajuan Jia

IGC Proceedings (1977-2023)

No abstract provided.


Rotational And Continuous Grazing Of Sheep In The Inner Mongolian Steppe Of China, C. J. Wang, B. M. Tas, T. Glindemann, K. Mueller, Anna Schiborra, P. Schoenbach, M. Gierus, Friedhelm Taube, A. Susenbeth Dec 2020

Rotational And Continuous Grazing Of Sheep In The Inner Mongolian Steppe Of China, C. J. Wang, B. M. Tas, T. Glindemann, K. Mueller, Anna Schiborra, P. Schoenbach, M. Gierus, Friedhelm Taube, A. Susenbeth

IGC Proceedings (1977-2023)

No abstract provided.


Rotational Grazing Effects Of Dairy Cows On Yield And Consumption In Dwarf Napiergrass At A Paddock Scale For 3 Years From The Establishment In Southern Kyushu, Japan, A. Wadi, Yasuyuki Ishii, H. Hasyim, R. F. Utamy, Sachiko Idota, Kiichi Fukuyama Dec 2020

Rotational Grazing Effects Of Dairy Cows On Yield And Consumption In Dwarf Napiergrass At A Paddock Scale For 3 Years From The Establishment In Southern Kyushu, Japan, A. Wadi, Yasuyuki Ishii, H. Hasyim, R. F. Utamy, Sachiko Idota, Kiichi Fukuyama

IGC Proceedings (1977-2023)

No abstract provided.


Prediction Of Diet Quality In Mongolian Livestock With Portable Near Infrared Spectroscopy Offeces, G. Tolleson, G. Udval, S. Prince, K. Banik Dec 2020

Prediction Of Diet Quality In Mongolian Livestock With Portable Near Infrared Spectroscopy Offeces, G. Tolleson, G. Udval, S. Prince, K. Banik

IGC Proceedings (1977-2023)

No abstract provided.


Evaluating Alternative Livestock Production Systems Sustainability And Farmer Income In Taipusi Banner, Inner Mongolia, Q. Tian, R. Jones, David L. Michalk, Geoff D. Millar, David R. Kemp, Z. Xu, J. Xie, Y. Zheng Dec 2020

Evaluating Alternative Livestock Production Systems Sustainability And Farmer Income In Taipusi Banner, Inner Mongolia, Q. Tian, R. Jones, David L. Michalk, Geoff D. Millar, David R. Kemp, Z. Xu, J. Xie, Y. Zheng

IGC Proceedings (1977-2023)

No abstract provided.


Effect Of Feed Restriction On Compensatory Growth And Body Dimensions In Ujumuqin Lambs, Jiayin Song, Daowei Zhou, Ping Wang Dec 2020

Effect Of Feed Restriction On Compensatory Growth And Body Dimensions In Ujumuqin Lambs, Jiayin Song, Daowei Zhou, Ping Wang

IGC Proceedings (1977-2023)

No abstract provided.


The Weight Variations Of Grazing Goats And Sheep In The Desert Steppe In Winter And Spring, Y. M. Shan, Mingjiu Wang, H. J. Chen, Zh. Y. Wu, Zh. Q. Li, X. L. Sun, Zh. Yang Dec 2020

The Weight Variations Of Grazing Goats And Sheep In The Desert Steppe In Winter And Spring, Y. M. Shan, Mingjiu Wang, H. J. Chen, Zh. Y. Wu, Zh. Q. Li, X. L. Sun, Zh. Yang

IGC Proceedings (1977-2023)

No abstract provided.


Pasture Management Reshaping Dairy Cows Grazing Behavior And Performance, A. Schmitt, W. Murphy Dec 2020

Pasture Management Reshaping Dairy Cows Grazing Behavior And Performance, A. Schmitt, W. Murphy

IGC Proceedings (1977-2023)

No abstract provided.


Home Range Size Of Free‐Roaming Beef Suckler Cattle In The Forest, Shusuke Sato, Yoshitaka Deguchi, Takeshi Yasue, Takami Kosako Dec 2020

Home Range Size Of Free‐Roaming Beef Suckler Cattle In The Forest, Shusuke Sato, Yoshitaka Deguchi, Takeshi Yasue, Takami Kosako

IGC Proceedings (1977-2023)

No abstract provided.


Evaluation Of Lamb Performance And Forage Quality In Rotational Grazing Systems, Yuping Rong, L. X. Zhao Dec 2020

Evaluation Of Lamb Performance And Forage Quality In Rotational Grazing Systems, Yuping Rong, L. X. Zhao

IGC Proceedings (1977-2023)

No abstract provided.


Lactating Grazing Dairy Cow Performance: Influence Of Chopped Fresh Maize Supplementation, M. Ramírez‐Mella, O. Hernández‐Mendo, R. Amendola‐Mashiotti, D. G. Mendoza‐Martinez, J. E. Ramirez‐Bibriesca Dec 2020

Lactating Grazing Dairy Cow Performance: Influence Of Chopped Fresh Maize Supplementation, M. Ramírez‐Mella, O. Hernández‐Mendo, R. Amendola‐Mashiotti, D. G. Mendoza‐Martinez, J. E. Ramirez‐Bibriesca

IGC Proceedings (1977-2023)

No abstract provided.


Seasonal Occurrence Of Bovine Mastitis Causing Organisms From Grazing Land Of Western Ghats, India, M. Mardhu Ramachandran, M. Andrew Pardeep, T. R. Prabha Dec 2020

Seasonal Occurrence Of Bovine Mastitis Causing Organisms From Grazing Land Of Western Ghats, India, M. Mardhu Ramachandran, M. Andrew Pardeep, T. R. Prabha

IGC Proceedings (1977-2023)

No abstract provided.


Evaluation Of Forages And Soils In Different Waterlogged Saline Grasslands In Western And Southern Coastal Region Of Sri Lanka, Sujatha Premaratne, G. G. C. Premalal Dec 2020

Evaluation Of Forages And Soils In Different Waterlogged Saline Grasslands In Western And Southern Coastal Region Of Sri Lanka, Sujatha Premaratne, G. G. C. Premalal

IGC Proceedings (1977-2023)

No abstract provided.