Research Areas research areas


Academic Article

Year Title
2018 Manganese limitation as a mechanism for reduced decomposition in soils under atmospheric nitrogen depositionSoil Biology and Biochemistry.  127:252-263. 2018
2018 Evidence for multi-trophic effects of pesticide seed treatments on non targeted soil faunaSoil Biology and Biochemistry.  125:144-155. 2018
2018 Minerals in the rhizosphere: overlooked mediators of soil nitrogen availability to plants and microbesBiogeochemistry.  139:103-122. 2018
2018 A regionally-adapted implementation of conservation agriculture delivers rapid improvements to soil properties associated with crop yield stability.Scientific Reports.  8:8467. 2018
2018 Ecosystem services and land sparing potential of urban and peri-urban agriculture: A reviewAmerican Journal of Alternative Agriculture Renewable Agriculture and Food Systems.  33:481-494. 2018
2018 Environmental Correlates with Germinable Weed Seedbanks on Organic Farms across Northern New EnglandWeed Science.  66:78-93. 2018
2018 Forage productivity and profitability in newly-established open pasture, silvopasture, and thinned forest production systemsAgroforestry Systems.  In-press. 2018
2017 How do weeds differ in their response to the timing of tillage? A study of 61 species across the northeastern United StatesAnnals of Applied Biology.  171:340-352. 2017
2017 Soil and understory plant dynamics during conversion of forest to silvopasture, open pasture, and woodlotAgroforestry Systems.  91:729-739. 2017
2017 Agriculture in 2050: Recalibrating Targets for Sustainable IntensificationBioScience.  67:385-390. 2017
2017 Balancing multiple objectives in organic feed and forage cropping systemsAgriculture, Ecosystems and Environment.  239:219-227. 2017
2017 Reconciling opposing soil processes in row-crop agroecosystems via soil functional zone managementAgriculture, Ecosystems and Environment.  236:99-107. 2017
2017 Another viewWeed Science.  65:203-205. 2017
2017 Disentangling the Effects of Tillage Timing and Weather on Weed Community AssemblyAgriculture (Polnohospod�rstvo) Agriculture.  7:66-66. 2017
2017 Timing of tillage as a driver of weed communitiesWeed Science.  65:504-514. 2017
2016 The Eco-Evolutionary Imperative: Revisiting Weed Management in the Midst of an Herbicide Resistance CrisisSustainability.  8:1297-1297. 2016
2016 Precision control of soil nitrogen cycling via soil functional zone managementAgriculture, Ecosystems and Environment.  231:291-295. 2016
2016 A comparison of soil hydrothermal properties in zonal and uniform tillage systems across the US Corn BeltGeoderma.  273:12-19. 2016
2016 Influence of pesticide seed treatments on rhizosphere fungal and bacterial communities and leaf fungal endophyte communities in maize and soybeanApplied Soil Ecology.  102:61-69. 2016
2016 Evidence for indirect effects of pesticide seed treatments on weed seed banks in maize and soybeanAgriculture, Ecosystems and Environment.  216:269-273. 2016
2016 Cover crop and tillage intensities alter ground-dwelling arthropod communities during the transition to organic productionAmerican Journal of Alternative Agriculture Renewable Agriculture and Food Systems.  361-374. 2016
2016 Enhanced control of soil nitrogen cycling through soil functional zone managementCrops and Soils.  49:42-45. 2016
2016 In-Season and Carry-Over Effects of Cover Crops on Productivity and Weed SuppressionAgronomy Journal Journal of Production Agriculture.  108:1624-1635. 2016
2016 Soil Functional Zone Management: A Vehicle for Enhancing Production and Soil Ecosystem Services in Row-Crop Agroecosystems.Frontiers in Plant Science.  7:65. 2016
2016 Soil Water Holding Capacity Mitigates Downside Risk and Volatility in US Rainfed Maize: Time to Invest in Soil Organic Matter?PLoS ONE.  11:e0160974. 2016
2015 A succession-energy framework for reducing non-target impacts of annual crop productionAgricultural Systems.  133:14-21. 2015
2015 Effects of Living Mulch and Fertilizer on the Performance of Broccoli in PlasticultureHortscience.  50:218-224. 2015
2015 Performance of High Tunnel Tomato Cultivars in Northern New EnglandHortTechnology.  25:139-146. 2015
2015 Cover-Crop Species as Distinct Biotic Filters in Weed Community AssemblyWeed Science.  63:282-295. 2015
2015 Designing cropping systems for ecosystem servicesThe Ecology of Agricultural Landscapes: Long Term Research on the Path to Sustainability. Oxford Univ. Press, New York.  378-408. 2015
2015 Plant Community Dynamics in Agricultural and Successional FieldsThe Ecology of Agricultural Ecosystems: Longterm Research on the Path to Sustainability. Oxford University Press, New York, New York, USA.  158-187. 2015
2014 A Scale-Explicit Framework for Conceptualizing the Environmental Impacts of Agricultural Land Use ChangesSustainability.  6:8432-8451. 2014
2014 Cultivar diversity as a means of ecologically intensifying dry matter production in a perennial forage standEcosphere.  5:art115-art115. 2014
2014 Multivariate relationships influencing crop yields during the transition to organic managementAgriculture, Ecosystems and Environment.  189:119-126. 2014
2014 Soil seed bank community structure of pastures and hayfields on an organic farmCanadian Journal of Plant Science.  94:621-631. 2014
2014 Cultivar diversity as a means of ecologically intensifying dry matter production in a perennial forage standEcosphere.  5:1-12. 2014
2014 Effects of Soil Amendments on the Abundance of a Parasitic Weed, Yellow Rattle (Rhinanthus minor) in Hay FieldsWeed Science.  62:118-124. 2014
2014 Increased productivity of a cover crop mixture is not associated with enhanced agroecosystem services.PLoS ONE.  9:e97351. 2014
2014 Structural Equation Modeling Facilitates Transdisciplinary Research on Agriculture and Climate ChangeCrop Science.  54:475-483. 2014
2013 The biological basis for nitrogen management in agroecosystemsMicrobial Ecology in Sustainable Agroecosystems.  113-132. 2013
2012 Integrated strategies for managing agricultural weeds: making cropping systems less susceptible to weed colonization and establishmentMontana State University Extension2012
2012 Navigating a Critical Juncture for Sustainable Weed ManagementBioScience.  62:75-84. 2012
2011 2,4-Dichlorophenoxyacetic acid (2,4-D)-resistant crops and the potential for evolution of 2,4-D-resistant weeds.Proceedings of the National Academy of Sciences of the United States of America.  108:E37. 2011
2011 Assessing and Visualizing Agricultural Management Practices: A Multivariable Hands-On Approach for Education and ExtensionWeed Technology.  25:680-687. 2011
2011 Direct and Indirect Impacts of Weed Management Practices on Soil QualitySoil Management: Building a Stable Base for Agriculture.  275-286. 2011
2011 Dynamics of photosynthetic photon flux density (PPFD) and estimates in coastal northern CaliforniaTheorectical and Applied Climatology.  105:107-118. 2011
2011 Yield and Net Returns during the Transition to Organic Feed Grain ProductionAgronomy Journal Journal of Production Agriculture.  103:51-59. 2011
2010 A new hypothesis for the functional role of diversity in mediating resource pools and weed–crop competition in agroecosystemsWeed Research.  50:37-48. 2010
2010 Management filters and species traits: weed community assembly in long-term organic and conventional systemsWeed Science.  58:265-277. 2010
2010 Spider plots: a tool for participatory extension learningJournal of Extension.  48:5TOT8-5TOT8. 2010
2009 Weed-crop competition relationships differ between organic and conventional cropping systemsWeed Research.  49:572-580. 2009
2009 Effects of initial seed-bank density on weed seedling emergence during the transition to an organic feed-grain crop rotationWeed Science.  57:533-540. 2009
2009 Weed Science Research and Funding: A Call to ActionWeed Science.  57:442-448. 2009
2008 Effects of crop diversity on agroecosystem function: Crop yield responseEcosystems.  11:355-366. 2008
2008 Diversity and abundance of earthworms across an agricultural land-use intensity gradientSoil and Tillage Research Soil Technology.  100:83-88. 2008
2007 Assembly of weed communities along a crop diversity gradientJournal of Applied Ecology.  44:1046-1056. 2007
2007 Competitiveness of herbicide-resistant and herbicide-susceptible kochia (Kochia scoparia [L.] Schrad.) under contrasting management practisesWeed Biology and Management.  7:115-119. 2007
2007 Impact of agricultural management on carabid communities and weed seed predationAgriculture, Ecosystems & Environment.  118:49-54. 2007
2007 Temporal yield variability under conventional and alternative management systemsAgronomy Journal Journal of Production Agriculture.  99:1629-1634. 2007
2007 Wild oat (Avena fatua) seed bank dynamics in transition to organic wheat production systemsWeed Science.  55:212-217. 2007
2006 Lessons from agriculture may improve the management of invasive plants in wildland systemsFrontiers in Ecology and the Environment.  4:428-434. 2006
2006 Plant-Provided Food for Carnivorous Insects: a Protective Mutualism and Its ApplicationsEnvironmental Entomology.  35:1137-1137. 2006
2006 Rapid change in the germinable fraction of the weed seed bank in crop rotationsWeed Science.  54:1094-1100. 2006
2006 Timing of tillage is an important filter on the assembly of weed communitiesWeed Science.  54:705-712. 2006
2006 Weed community and corn yield variability in diverse management systemsWeed Science.  54:106-113. 2006
2005 Earthworms and weed seed distribution in annual cropsAgriculture, Ecosystems & Environment.  108:363-367. 2005
2002 Incorporating ecology into agricultureTrends in Ecology and Ecolution.  17:490-491. 2002
2002 Incorporating ecology into agriculture (Book review)Trends in Ecology and Ecolution.  17:490-491. 2002


Year Title
2018 Weed Control Through Crop Plant Manipulations.  73-96. 2018
2017 A Disturbance-based Framework for Understanding Weed Community Assembly in Agroecosystems: Challenges and Opportunities for Agroecological Weed Management.  127-154. 2017

Principal Investigator On

  • Building Resilience in the Northeast through Double Cropping and Diverse Forage Crop Mixtures  awarded by Cornell University 2016 - 2020
  • Expanding No-Till Organic Vegetable Production Through the Combination of High-Residue Cover Crops  awarded by University of Vermont 2018 - 2020
  • Collateral Protection: Quantifying and Mitigating Impacts of Seed Treatments on Weeds and Their Natural Enemies  awarded by US DA, Department of Agriculture 2017 - 2020
  • Getting from here to there: Protecting and Promoting Ecosystem Services During the Conversion of Forests to Fields in New England  awarded by US DA, Department of Agriculture 2015 - 2019
  • Pesky Weeds and Patchy Resources: Understanding the Role of Soil Spatial Heterogeneity and Root Foraging in Mediating Interspecific Competition  awarded by US DA, Department of Agriculture 2015 - 2018
  • Uncovering the Belowground Drivers of Weed-Crop Competition for Improved Weed Management  awarded by US DA, Department of Agriculture 2013 - 2018
  • Rewiring the Network: Structural and Functional Responses of Soil Faunal Food Webs to Pesticide Seed Treatments  awarded by University of Vermont 2013 - 2016
  • Precision Zonal Management Systems for Resilient Cereal Yields and Ecosystem Services under Variable Climates  awarded by Pennsylvania State University 2012 - 2016
  • Feasibility of Integrating Annual Feed Grains into Established Organic Pasture  awarded by University of Vermont 2012 - 2014
  • Development of an Ecologically-Based Agricultural Land-Use Assessment Framework for the Blue Hills Foundation Hayfields  awarded by Blue Hills Foundation Inc 2012
  • Teaching Activities

  • Agroecology Taught course 2017
  • Analysis of Ecological Data Taught course 2017
  • Analysis of Ecological Data Taught course 2017
  • Agroecology Taught course 2016
  • Analysis of Ecological Data Taught course 2016
  • Field Experience Taught course 2015
  • Field Experience Taught course 2015
  • Agroecology Taught course 2015
  • Analysis of Ecological Data Taught course 2015
  • Field Experience Taught course 2014
  • Field Experience Taught course 2014
  • Agroecology Taught course 2014
  • Analysis of Ecological Data Taught course 2014
  • Education And Training

  • B.S. Biology, University of New Mexico
  • Ph.D. Plant Biology; Ecology, Evolutionary Biology & Behavior, Michigan State University
  • Full Name

  • Richard Smith