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Articles 1 - 23 of 23
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Responses Of Ornamental Grass And Grass-Like Plants To Saline Water Irrigation, Youping Sun, Alyssa Lanae Palmer
Responses Of Ornamental Grass And Grass-Like Plants To Saline Water Irrigation, Youping Sun, Alyssa Lanae Palmer
Plants, Soils, and Climate Faculty Publications
Ornamental grasses are popular in urban landscapes in Utah and the Intermountain West United States, one of the driest and fastest growing regions in the United States. This experiment evaluated the responses of five ornamental grass species [blue grama (Bouteloua gracilis), indian sea oats (Chasmanthium latifolium), ‘Blue Dune’ sand ryegrass (Leymus arenarius), pink muhly grass (Muhlenbergia capillaris), ‘Foxtrot’ fountain grass (Pennisetum alopecuroides)] and two ornamental grasslike species [fox sedge (Carex vulpinoidea), common rush (Juncus effusus)] to saline irrigation water in a greenhouse. Plants were irrigated weekly …
Estimating Actual Evapotranspiration From Stony-Soils In Montane Ecosystems, Kshitij Parajuli, Scott B. Jones, David G. Tarboton, Gerald N. Flerchinger, Lawrence E. Hipps, L. Niel Allen, Mark S. Seyfried
Estimating Actual Evapotranspiration From Stony-Soils In Montane Ecosystems, Kshitij Parajuli, Scott B. Jones, David G. Tarboton, Gerald N. Flerchinger, Lawrence E. Hipps, L. Niel Allen, Mark S. Seyfried
Plants, Soils, and Climate Faculty Publications
Quantification of evapotranspiration (ET) is crucial for understanding the water balance and for efficient water resources planning. Agricultural settings have received most attention regarding ET measurements while less knowledge is available for actual ET (ETA) in natural ecosystems, many of which have soils containing significant amounts of stones. This study is focused on modelling ETA from stony soil, particularly in montane ecosystems where we estimate the contribution of stone content on water retention properties in soil. We employed a numerical model (HYDRUS-1D) to simulate ETA in natural settings in northern Utah and southern Idaho during the …
Manure Application Timing Drives Energy Absorption For Snowmelt On An Agricultural Soil, Melanie N. Stock, Francisco J. Arriaga, Peter A. Vadas, Krishnapuram G. Karthikeyan
Manure Application Timing Drives Energy Absorption For Snowmelt On An Agricultural Soil, Melanie N. Stock, Francisco J. Arriaga, Peter A. Vadas, Krishnapuram G. Karthikeyan
Plants, Soils, and Climate Faculty Publications
Reducing agricultural runoff year-round is important, in particular during snowmelt events on landscapes that receive wintertime applications of manure. To help inform manure guidelines, process-level data are needed that link management scenarios with the complexity of snowmelt, hence runoff. Albedo and radiative energy fluxes are strong drivers of thaw, but applying these mechanistic measurements across multiple, plot-scale management treatments over time presents a logistical challenge. The objective of this study was to first develop a practical field approach to estimate winter albedo in plot-scale field research with multiple management scenarios. The second objective was to quantify the radiative drivers of …
Crop Water Stress Index Of An Irrigated Vineyard In The Central Valley Of California, John H. Prueger, Christopher K. Parry, William P. Kustas, Joseph G. Alfieri, Maria M. Alsina, Héctor Nieto, Tiffany G. Wilson, Lawrence E. Hipps, Martha C. Anderson, Jerry L. Hatfield, Fen Gao, Lynn G. Mckee, Andrew Mcelrone, Nurit Agam, Sebastian A. Los
Crop Water Stress Index Of An Irrigated Vineyard In The Central Valley Of California, John H. Prueger, Christopher K. Parry, William P. Kustas, Joseph G. Alfieri, Maria M. Alsina, Héctor Nieto, Tiffany G. Wilson, Lawrence E. Hipps, Martha C. Anderson, Jerry L. Hatfield, Fen Gao, Lynn G. Mckee, Andrew Mcelrone, Nurit Agam, Sebastian A. Los
Plants, Soils, and Climate Faculty Publications
Water-limiting conditions in many California vineyards necessitate assessment of vine water stress to aid irrigation management strategies and decisions. This study was designed to evaluate the utility of a Crop Water Stress Index (CWSI) using multiple canopy temperature sensors and to study the diurnal signature in the stress index of an irrigated vineyard. A detailed instrumentation package comprised of eddy covariance instrumentation, ancillary surface energy balance components, soil water content sensors and a unique multi-canopy temperature sensor array were deployed in a production vineyard near Lodi, CA. The instrument package was designed to measure and monitor hourly growing season turbulent …
A Novel Shortwave Infrared Proximal Sensing Approach To Quantify The Water Stability Of Soil Aggregates, Azadeh Gholoubi, Hojat Emami, Scott B. Jones, Markus Tuller
A Novel Shortwave Infrared Proximal Sensing Approach To Quantify The Water Stability Of Soil Aggregates, Azadeh Gholoubi, Hojat Emami, Scott B. Jones, Markus Tuller
Plants, Soils, and Climate Faculty Publications
Soil structure and aggregate stability (AS) are critical soil properties affecting water infiltration, root growth, and resistance to soil and wind erosion. Changes in AS may be early indicators of soil degradation, pointing to low organic matter (OM) content, reduced biological activity, or poor nutrient cycling. Hence, efficient and reliable AS measurement techniques are essential for detection, management, and remediation of degraded soil resources. Here we quantify soil AS by developing a novel proximal sensing technique based on shortwave infrared (SWIR) reflectance measurements. The novel approach is similar to the well-documented high energy moisture characteristic (HEMC) method, which yields a …
Relative Salt Tolerance Of 22 Pomegranate (Punica Granatum) Cultivars, Youping Sun, Genhua Niu, Joseph G. Masabni, Girisha Ganjegunte
Relative Salt Tolerance Of 22 Pomegranate (Punica Granatum) Cultivars, Youping Sun, Genhua Niu, Joseph G. Masabni, Girisha Ganjegunte
Plants, Soils, and Climate Faculty Publications
A greenhouse experiment was conducted to determine the relative salt tolerance of pomegranate (Punica granatum) cultivars. Twenty-two pomegranate cultivars were irrigated weekly with a saline solution at an electrical conductivity (EC) of 10.0 dS·m–1 for 4 weeks and subsequently with a saline solution at an EC of 15.0 dS·m–1 for another 3 weeks (salt treatment). Another group of uniform plants was watered with a nutrient solution without additional salts at an EC of 1.2 dS·m–1 (control). No visual foliar salt damage (leaf burn, necrosis, or discoloration) was observed during the entire experimental period; however, salt treatment impacted pomegranate growth negatively, …
Climate Of The Weakly-Forced Yet High-Impact Convective Storms Throughout The Ohio River Valley And Mid-Atlantic United States, Binod Pokharel, Shih-Yu (Simon) Wang, Jonathan D. Meyer, Robert R. Gillies, Yen-Heng Lin
Climate Of The Weakly-Forced Yet High-Impact Convective Storms Throughout The Ohio River Valley And Mid-Atlantic United States, Binod Pokharel, Shih-Yu (Simon) Wang, Jonathan D. Meyer, Robert R. Gillies, Yen-Heng Lin
Plants, Soils, and Climate Faculty Publications
The 1-in-1000-year precipitation event in late June 2016 over West Virginia caused tremendous flooding damage. Like the 2012 mid-Atlantic derecho that blacked out much of the DC area, similar events can be traced to small, mid-tropospheric perturbations (MPs) embedded in the large-scale ridge pattern. Under this “weakly-forced” pattern, severe weather outbreaks commonly occur alongside eastward propagating MPs acting as a triggering mechanism for progressive mesoscale convective systems, which move across the central and eastern US. Forecasting of such weakly-forced yet severe weather events is difficult in both weather and climate timescales. The present diagnostic analysis of the MP climatology is …
The Influence Of Arctic Amplification On Mid-Latitude Summer Circulation, Dim Coumou, Giorgia Di Capua, Steve Vavrus, Lei Wang, Shih-Yu (Simon) Wang
The Influence Of Arctic Amplification On Mid-Latitude Summer Circulation, Dim Coumou, Giorgia Di Capua, Steve Vavrus, Lei Wang, Shih-Yu (Simon) Wang
Plants, Soils, and Climate Faculty Publications
Accelerated warming in the Arctic, as compared to the rest of the globe, might have profound impacts on mid-latitude weather. Most studies analyzing Arctic links to mid-latitude weather focused on winter, yet recent summers have seen strong reductions in sea-ice extent and snow cover, a weakened equator-to-pole thermal gradient and associated weakening of the mid-latitude circulation. We review the scientific evidence behind three leading hypotheses on the influence of Arctic changes on mid-latitude summer weather: Weakened storm tracks, shifted jet streams, and amplified quasi-stationary waves. We show that interactions between Arctic teleconnections and other remote and regional feedback processes could …
El Niño-Southern Oscillation Complexity, Axel Timmermann, Soon-Il An, Jong-Seong Kug, Fei-Fei Jin, Wenju Cai, Antonietta Capotondi, Kim Cobb, Matthieu Lengaigne, Michal J. Mcphaden, Malte F. Stuecker, Karl Stein, Andrew T. Wittenberg, Kyung-Sook Yun, Tobias Bayr, Han-Ching Chen, Yoshimitsu Chikamoto, Et Al.
El Niño-Southern Oscillation Complexity, Axel Timmermann, Soon-Il An, Jong-Seong Kug, Fei-Fei Jin, Wenju Cai, Antonietta Capotondi, Kim Cobb, Matthieu Lengaigne, Michal J. Mcphaden, Malte F. Stuecker, Karl Stein, Andrew T. Wittenberg, Kyung-Sook Yun, Tobias Bayr, Han-Ching Chen, Yoshimitsu Chikamoto, Et Al.
Plants, Soils, and Climate Faculty Publications
El Niño events are characterized by surface warming of the tropical Pacific Ocean and weakening of equatorial trade winds that occur every few years. Such conditions are accompanied by changes in atmospheric and oceanic circulation, affecting global climate, marine and terrestrial ecosystems, fisheries and human activities. The alternation of warm El Niño and cold La Niña conditions, referred to as the El Niño–Southern Oscillation (ENSO), represents the strongest year-to-year fluctuation of the global climate system. Here we provide a synopsis of our current understanding of the spatio-temporal complexity of this important climate mode and its influence on the Earth system.
Ocean Impacts On Australian Interannual To Decadal Precipitation Variability, Zachary F. Johnson, Yoshimitsu Chikamoto, Jing-Jia Luo, Takashi Mochizuki
Ocean Impacts On Australian Interannual To Decadal Precipitation Variability, Zachary F. Johnson, Yoshimitsu Chikamoto, Jing-Jia Luo, Takashi Mochizuki
Plants, Soils, and Climate Faculty Publications
In Australia, successful seasonal predictions of wet and dry conditions are achieved by utilizing the remote impact of sea surface temperature (SST) variability in tropical oceans, particularly the Pacific Ocean, on the seasonal timescale. Beyond seasonal timescales, however, it is still unclear which processes and oceans contribute to interannual-to-decadal wet/dry conditions in Australia. This research examines the interannual-to-decadal relationship between global SST anomalies (SSTAs) and Australian wet/dry variability by analyzing observational data and global climate model experiments conducted with the NCAR Community Earth System Model (CESM) and the Model for Interdisciplinary Research on Climate (MIROC). A 10-member ensemble simulation suite …
Role Of Indochina Peninsula Topography In Precipitation Seasonality Over East Asia, Chi-Hua Wu, Wan-Ru Huang, S.-Y. (Simon) Wang
Role Of Indochina Peninsula Topography In Precipitation Seasonality Over East Asia, Chi-Hua Wu, Wan-Ru Huang, S.-Y. (Simon) Wang
Plants, Soils, and Climate Faculty Publications
Stage-wise precipitation evolution over East Asia, primarily from spring to summer, is influenced by nearby monsoons and can be topographically driven. Corresponding to the onset of the Asian summer monsoon circulation, the Meiyu-Baiu occurs rapidly in May, replacing the East Asian spring rains. The Meiyu-Baiu rapidly terminates in late July due to the synchronous development of the subtropical monsoons extending from Africa to the East Asia–Western North Pacific (WNP). In late summer–autumn, the monsoonal circulation gradually retreats, in contrast to the rapid and stepwise transitions of the monsoon. This study reviews the role of the Indochina Peninsula in modulating the …
Temperature And Manure Placement In A Snowpack Affect Nutrient Release From Dairy Manure During Snowmelt, Peter A. Vadas, Melanie N. Stock, Gary W. Feyereisen, Francisco J. Arriaga, Laura Ward Good, Krishnapuram G. Karthikeyan
Temperature And Manure Placement In A Snowpack Affect Nutrient Release From Dairy Manure During Snowmelt, Peter A. Vadas, Melanie N. Stock, Gary W. Feyereisen, Francisco J. Arriaga, Laura Ward Good, Krishnapuram G. Karthikeyan
Plants, Soils, and Climate Faculty Publications
Agricultural nutrient management is an issue due to N and P losses from fields and water quality degradation. Better information is needed on the risk of nutrient loss in runoff from dairy manure applied in winter. We investigated the effect of temperature on nutrient release from liquid and semisolid manure to water, and of manure quantity and placement within a snowpack on nutrient release to melting snow. Temperature did not affect manure P and NH4–N release during water extraction. Manure P release, but not NH4–N release, was significantly influenced by the water/manure solids extraction ratio. During snowmelt, manure P release …
Quantitative Attribution Of Climate Effects On Hurricane Harvey’S Extreme Rainfall In Texas, S-Y Simon Wang, Lin Zhao, Jin-Ho Yoon, Phil Klotzbach, Robert R. Gillies
Quantitative Attribution Of Climate Effects On Hurricane Harvey’S Extreme Rainfall In Texas, S-Y Simon Wang, Lin Zhao, Jin-Ho Yoon, Phil Klotzbach, Robert R. Gillies
Plants, Soils, and Climate Faculty Publications
Hurricane Harvey made landfall in August 2017 as the first land-falling category 4 hurricane to hit the state of Texas since Hurricane Carla in September 1961. While its intensity at landfall was notable, most of the vast devastation in the Houston metropolitan area was due to Harvey stalling near the southeast Texas coast over the next several days. Harvey's long-duration rainfall event was reminiscent of extreme flooding that occurred in the neighboring state of Louisiana: both of which were caused by a stalled tropical low-pressure system producing four days of intense precipitation. A quantitative attribution analysis of Harvey's rainfall was …
Salt Tolerance Of Six Switchgrass Cultivars, Youping Sun, Genhua Niu, Girisha Ganjegunte, Yanqi Wu
Salt Tolerance Of Six Switchgrass Cultivars, Youping Sun, Genhua Niu, Girisha Ganjegunte, Yanqi Wu
Plants, Soils, and Climate Faculty Publications
Panicum virgatum L. (switchgrass) cultivars (‘Alamo’, ‘Cimarron’, ‘Kanlow’, ‘NL 94C2-3’, ‘NSL 2009-1’, and ‘NSL 2009-2’) were evaluated for salt tolerance in two separate greenhouse experiments. In experiment (Expt.) 1, switchgrass seedlings were irrigated with a nutrient solution at an electrical conductivity (EC) of 1.2 dS·m−1 (control) or a saline solution (spiked with salts) at an EC of 5.0 dS·m−1 (EC 5) or 10.0 dS·m−1 (EC 10) for four weeks, once a week. Treatment EC 10 reduced the tiller number by 32% to 37% for all switchgrass cultivars except ‘Kanlow’. All switchgrass cultivars under EC 10 had a significant reduction of …
Regional Trends In Early-Monsoon Rainfall Over Vietnam And Ccsm4 Attribution, Rong Li, S.-Y. Simon Wang, Robert R. Gillies, Brendan Buckley, Jin-Ho Yoon, Changrae Cho
Regional Trends In Early-Monsoon Rainfall Over Vietnam And Ccsm4 Attribution, Rong Li, S.-Y. Simon Wang, Robert R. Gillies, Brendan Buckley, Jin-Ho Yoon, Changrae Cho
Plants, Soils, and Climate Faculty Publications
The analysis of precipitation trends for Vietnam revealed that early-monsoon precipitation has increased over the past three decades but to varying degrees over the northern, central and southern portions of the country. Upon investigation, it was found that the change in early-monsoon precipitation is associated with changes in the low-level cyclonic airflow over the South China Sea and Indochina that is embedded in the large-scale atmospheric circulation associated with a “La Niña-like” anomalous sea surface temperature pattern with warming in the western Pacific and Indian Oceans and cooling in the eastern Pacific. The Community Climate System Model version 4 (CCSM4) …
Multidecadal Variability In The Subseasonal Peak Of Low-Level Convergence Over The Pacific Warm Pool, Yen-Heng Lin, Shih-Yu (Simon) Wang
Multidecadal Variability In The Subseasonal Peak Of Low-Level Convergence Over The Pacific Warm Pool, Yen-Heng Lin, Shih-Yu (Simon) Wang
Plants, Soils, and Climate Faculty Publications
In the Western North Pacific (WNP), the atmospheric low-level convergence is one of the main factors that influences the genesis of tropical cyclones (TC). It has been observed that the timing of the seasonal maxima in the low-level convergence and TC genesis has shifted since the mid-1990s from mid-August to late-July, with this shift having also affected the number of TC. A multidecadal frequency of 20 years was revealed in the timing variation of the tropical intraseasonal oscillation (ISO) in the Western Pacific, in which a weak WNP low-level convergence in spring may trigger an advanced ISO phase in summer …
Modeling Temperature And Moisture Dependent Emissions Of Carbon Dioxide And Methane From Drying Dairy Cow Manure, Enzhu Hu, Pakorn Sutitarnnontr, Markus Tuller, Scott B. Jones
Modeling Temperature And Moisture Dependent Emissions Of Carbon Dioxide And Methane From Drying Dairy Cow Manure, Enzhu Hu, Pakorn Sutitarnnontr, Markus Tuller, Scott B. Jones
Plants, Soils, and Climate Faculty Publications
Greenhouse gas emissions due to biological degradation processes of animal wastes are significant sources of air pollution from agricultural areas. The major environmental controls on these microbe-induced gas fluxes are temperature and moisture content. The objective of this study was to model the effects of temperature and moisture content on emissions of CO2 and CH4 during the ambient drying process of dairy manure under controlled conditions. Gas emissions were continuously recorded over 15 d with paired fully automated closed dynamic chambers coupled with a Fourier Transformed Infrared gas analyzer. Water content and temperature were measured and monitored with …
Concurrent Increases In Wet And Dry Extremes Projected In Texas And Combined Effects On Groundwater, Jin-Ho Yoon, S-Y Simon Wang, Min-Hui Lo, Wen-Ying Wu
Concurrent Increases In Wet And Dry Extremes Projected In Texas And Combined Effects On Groundwater, Jin-Ho Yoon, S-Y Simon Wang, Min-Hui Lo, Wen-Ying Wu
Plants, Soils, and Climate Faculty Publications
The US state of Texas has experienced consecutive flooding events since spring 2015 with devastating consequences, yet these happened only a few years after the record drought of 2011. Identifying the effect of climate variability on regional water cycle extremes, such as the predicted occurrence of La Nina in winter 2017–2018 and its association with drought in Texas, remains a challenge. The present analyses use large-ensemble simulations to project the future of water cycle extremes in Texas and assess their connection with the changing El Nino–Southern Oscillation (ENSO) teleconnection under global warming. Large-ensemble simulations indicate that both intense drought and …
Responses Of Marigold Cultivars To Saline Water Irrigation, Youping Sun, Genhua Niu, Christina Perez, H. Brent Pemberton, James Altland
Responses Of Marigold Cultivars To Saline Water Irrigation, Youping Sun, Genhua Niu, Christina Perez, H. Brent Pemberton, James Altland
Plants, Soils, and Climate Faculty Publications
Marigolds (Tagetes sp.) are ornamental plants with fine-textured, dark green foliage, and yellow, orange, or bicolored flowers. The relative salt tolerance of eight marigolds [‘Discovery Orange’, ‘Discovery Yellow’, ‘Taishan Gold’, ‘Taishan Orange’, and ‘Taishan Yellow’ African marigold (Tagetes erecta); ‘Hot Pak Gold’, ‘Hot Pak Orange’, and ‘Hot Pak Yellow’ French marigold (Tagetes patula)] was evaluated in a greenhouse experiment. Plants were irrigated weekly with nutrient solution at an electrical conductivity (EC) of 1.2 dS·m−1 (control) or saline solutions at an EC of 3.0 or 6.0 dS·m−1 (EC 3 or EC 6). Marigold plants …
Influence Of Harvest Date On Seed Yield And Quality In Forage Kochia, Cody F. Creech, Blair L. Waldron, Corey V. Ransom, Dale R. Zobell, Joseph Earl Creech
Influence Of Harvest Date On Seed Yield And Quality In Forage Kochia, Cody F. Creech, Blair L. Waldron, Corey V. Ransom, Dale R. Zobell, Joseph Earl Creech
Plants, Soils, and Climate Faculty Publications
Forage kochia (Bassia prostrata) is used for rangeland reclamation and livestock and wildlife forage, but limited research has been conducted on its seed production. Therefore, this research evaluated the effect of harvest date on seed weight, germination, and seed yield of forage kochia subspecies virescens and grisea. Seed was harvested from individual plants for 3 years during October, November, and December. October harvest had the lightest 100-seed weights, with the November harvest slightly heavier than December, for most accessions. Cultivar Snowstorm and breeding line Sahsel, both subsp. grisea, had the greatest 100-seed weights in November, 155 …
Synoptic And Climate Attributions Of The December 2015 Extreme Flooding In Missouri, Usa, Boniface Fosu, Simon Wang, Kathleen Pegion
Synoptic And Climate Attributions Of The December 2015 Extreme Flooding In Missouri, Usa, Boniface Fosu, Simon Wang, Kathleen Pegion
Plants, Soils, and Climate Faculty Publications
Three days of extreme rainfall in late December 2015 in the middle of the Mississippi River led to severe flooding in Missouri. The meteorological context of this event was analyzed through synoptic diagnosis into the atmospheric circulation that contributed to the precipitation event’s severity. The midlatitude synoptic waves that induced the extreme precipitation and ensuing flooding were traced to the Madden Julian Oscillation (MJO), which amplified the trans-Pacific Rossby wave train likely associated with the strong El Niño of December 2015. Though the near-historical El Niño contributed to a quasi-stationary trough over the western U.S. that induced the high precipitation …
Impact Of Low And Moderate Salinity Water On Plant Performance Of Leafy Vegetables In A Recirculating Nft System, Genhua Niu, Youping Sun, Joseph G. Masabni
Impact Of Low And Moderate Salinity Water On Plant Performance Of Leafy Vegetables In A Recirculating Nft System, Genhua Niu, Youping Sun, Joseph G. Masabni
Plants, Soils, and Climate Faculty Publications
Two greenhouse experiments were conducted to examine the growth and mineral nutrition of four leafy vegetables in a nutrient film technique (NFT) system with water with low to moderate salinity. In Expt. 1, a nutrient solution was prepared using reverse osmosis (RO) water and treatments consisted of supplementing with RO water, tap water, or nutrient solution. In Expt. 2, nutrient solution was prepared using three different water sources (treatments), namely, RO water, tap water, or tap water, plus sodium chloride (NaCl), and supplementing solution was prepared using the same three water sources at one third strength. For both of the …
Evaluating Strategies For Sustainable Intensification Of Us Agriculture Through The Long-Term Agroecosystem Research Network, Sheri Spiegal, Brandon T. Bestelmeyer, David W. Archer, David J. Augustine, Elizabeth H. Boughton, Raoul Keith Boughton, Michel A. Cavigelli, Patrick E. Clark, Justin D. Derner, Emily W. Duncan, Cathleen J. Hapeman, R. Daren Harmel, Philip Heilman, Michael A. Holly, David R. Huggins, Kevin W. King, Peter A. Kleinman, Mark A. Liebig, Martin A. Locke, Gregory W. Mccarty, Neville Millar, Steven B. Mirsky, Thomas B. Moorman, Frederick B. Pierson, James R. Rigby, G. Philip Robertson, Jean L. Steiner, Timothy C. Strickland, Hilary M. Swain, Brian J. Wienhold, J.D. Wulfhorst, Matt A. Yost, Charles L. Walthall
Evaluating Strategies For Sustainable Intensification Of Us Agriculture Through The Long-Term Agroecosystem Research Network, Sheri Spiegal, Brandon T. Bestelmeyer, David W. Archer, David J. Augustine, Elizabeth H. Boughton, Raoul Keith Boughton, Michel A. Cavigelli, Patrick E. Clark, Justin D. Derner, Emily W. Duncan, Cathleen J. Hapeman, R. Daren Harmel, Philip Heilman, Michael A. Holly, David R. Huggins, Kevin W. King, Peter A. Kleinman, Mark A. Liebig, Martin A. Locke, Gregory W. Mccarty, Neville Millar, Steven B. Mirsky, Thomas B. Moorman, Frederick B. Pierson, James R. Rigby, G. Philip Robertson, Jean L. Steiner, Timothy C. Strickland, Hilary M. Swain, Brian J. Wienhold, J.D. Wulfhorst, Matt A. Yost, Charles L. Walthall
Plants, Soils, and Climate Faculty Publications
Sustainable intensification is an emerging model for agriculture designed to reconcile accelerating global demand for agricultural products with long-term environmental stewardship. Defined here as increasing agricultural production while maintaining or improving environmental quality, sustainable intensification hinges upon decision-making by agricultural producers, consumers, and policy-makers. The Long-Term Agroecosystem Research (LTAR) network was established to inform these decisions. Here we introduce the LTAR Common Experiment, through which scientists and partnering producers in US croplands, rangelands, and pasturelands are conducting 21 independent but coordinated experiments. Each local effort compares the outcomes of a predominant, conventional production system in the region ('business as usual') …