Ryan Haden, Ph.D.

Ryan Haden, Ph.D.
Assistant Professor - Soils & Agronomy
haden.9@osu.edu
Office: 
1328 Dover Road, Wooster, Ohio 44691
Phone: 
330-287-1311
Degree Information: 
Ph.D., Cornell University, Soil ScienceM.Sc. Cornell University, Soil ScienceB.A. University of Richmond, BiologyATI Sustainable Agriculture Lab Website
Biography: 

WEBSITE LINK

Courses Taught:

Soil Fertility & Fertilizers

Forage Crops

Soil Management

Sustainable Cropping Systems & Marketing

Sustainable Agriculture Methods

Research Interests:

Soil Fertility & Soil Quality

Cover Cropping Strategies & Technologies

Nutrient Managment & Water Quality

Climate Change Adaptation and GHG Mitigation

Sustainable Agriculture

Farmer Decision Making

Link To Website

Works

Journal Articles

Winter, J.M.; Young, C.A.; Mehta, V.K.; Ruane, A.C. et al., "Integrating water supply constraints into irrigated agricultural simulations of California" Environmental Modelling and Software 96 (2017) 335-346-335-346
Burger, M.; Haden, V.R.; Chen, H.; Six, J. et al., "Stand age affects emissions of N2O in flood-irrigated alfalfa: a comparison of field measurements, DNDC model simulations and IPCC Tier 1 estimates" Nutrient Cycling in Agroecosystems 106 3 (2016) 335-345-335-345
"Farmers and Climate Change: A Cross-National Comparison of Beliefs and Risk Perceptions in High-Income Countries" Environmental Management 56 2 (2015)
"Sustainable sourcing of global agricultural raw materials: assessing gaps in key impact and vulnerability issues and indicators." PLOS ONE 10 6 (2015)
"Indicators of global sustainable sourcing as a set covering problem: an integrated approach to sustainability" Ecosystem Health and Sustainability 1 2 (2015)
"Perceptions and responses to climate policy risks among California farmers" Global Environmental Change 23 6 (2013)
"The impacts of alternative patterns of urbanization on greenhouse gas emissions in an agricultural county." Journal of Urbanism 6 3 (2013)
"Effect of deep placement of nitrogen fertilizer on growth, yield and N uptake of aerobic rice." Australian Journal of Crop Science 7 6 (2013)
"Use of local greenhouse gas inventories to prioritise opportunities for climate action planning and voluntary mitigation by agricultural stakeholders in California" Journal of Environmental Planning and Management 56 4 (2013)
"Factors affecting phosphorous in ground water in an alluvial valley aquifer: Implications for best management practices." Water 5 2 (2013)
"Irrigation demand and supply, given projections of climate and land-use change, in Yolo County, California" Agricultural Water Management 117 (2013)
"Genotypic trade-offs between water productivity and weed competition under the System of Rice Intensification in the Sahel" Agricultural Water Management 115 (2012)
"Global and Local Concerns: What Attitudes and Beliefs Motivate Farmers to Mitigate and Adapt to Climate Change?" PLOS ONE 7 12 (2012)
"Ammonia toxicity in aerobic rice: use of soil properties to predict ammonia volatilization following urea application and the adverse effects on germination" European Journal of Soil Science 62 4 (2011)
"Relative effects of ammonia and nitrite on the germination and early growth of aerobic rice" Journal of Plant Nutrition and Soil Science 174 2 (2011)
"Improvement in nitrogen availability, nitrogen uptake and growth of aerobic rice following soil acidification" Soil Science and Plant Nutrition 55 5 (2009)
"Factors affecting change in soil test phosphorus following manure and fertilizer application" Soil Science Society of America Journal 71 4 (2007)
"Weed community dynamics in the system of rice intensification (SRI) and the efficacy of mechanical cultivation and competitive rice cultivars for weed control. in Indonesia" Journal of Sustainable Agriculture 30 4 (2007)

Chapters

"Chapter 3: Soil Fertility" In Ohio Agronomy Guide, 15th Edition. 2017.
"Chapter 2: Soil and water management" In Ohio Agronomy Guide, 15th Edition. 2017.
"Chapter 10: Considerations for Using Cover Crops" In Ohio Agronomy Guide, 15th Edition. Edited by Lindsey, L.E.; Thomison, P.R.. 2017.
"Appendix 2.1 Income and Patterns of Demand for Food" In The California Nitrogen Assessment. Edited by Tomich, T.; Brodt, S.B.; Dahlgren, R.A.; Scow, K.M.. 2016.
"Appendix 8.1 Experience with Nitrogen Policy Instruments in Practice: Case Studies" In The California Nitrogen Assessment: Challenges and Solutions for People, Agriculture and the Environment. Edited by Tomich, T.; Brodt, S.B.; Dahlgren, R.A.; Scow, K.M.. 2016.
"Appendix 4.1 Supplemental data tables for Chapters 3, 4, and 5" In The California Nitrogen Assessment: Challenges and Solutions for People, Agriculture and the Environment. Edited by Tomich, T.; Brodt, S.B.; Dahlgren, R.A.; Scow, K.M.. 2016.
"Ecosystem Services and Human Well-Being" In The California Nitrogen Assessment. 2016.
"Responses: Policies and Institutions" 2016.
"Underlying Drivers of Nitrogen Flows in California" In The California Nitrogen Assessment. 2016.

Technical Reports

Haden, V.R.; Reid, G., "2017 Organic Oat Performance Trial" 2017.
Barker, D.; Culman, S.; Dorrance, A.E.; Fulton, J. et al., "Ohio Agronomy Guide, 15th Edition" 2017.
Haden, V.R.; Reid, G., "2016 Organic Oat Performance Trial" 2016.
Haden, V. Ryan; Reid, Gerald, "2015 Organic Oat Performance Trial" 2015.
"2015 Organic Oat Performance Trial" 2015.
"American Carbon Registry Methodology for Compost Additions to Grazed Grasslands" 2014.
Haden, V.R., S. DeGryze, N. Nelson, R. Parkhurst, A. Rood, S. Snider, "American Carbon Registry Methodology for Compost Additions to Grazed Grasslands" 2014.
"Greenhouse Gas Mitigation Opportunities in California Agriculture: Review of California Cropland Emissions and Mitigation Potential" 2014.
Culman S.W., V.R. Haden, T. Maxwell, H. Waterhouse, W. Horwath., "Greenhouse Gas Mitigation Opportunities in California Agriculture: Review of California Cropland Emissions and Mitigation Potential" 2014.
"How Will Farmers Respond to the 2014 California Drought?" 2014.
Niles M.T., M. Lubell, V.R. Haden, "How Will Farmers Respond to the 2014 California Drought?" 2014.
"Climate Change through the Eyes of a Californian Farmer." 2013.
Haden V.R., M.T. Niles, "Climate Change through the Eyes of a Californian Farmer." 2013.
"Vulnerability and Adaptation to Climate Change in California Agriculture" 2012.
"Adaptation Strategies for Agricultural Sustainability in Yolo County, CA" 2012.
Jackson L.E., V.R. Haden, S.M. Wheeler, A.D. Hollander, J. Perlman, T. O’Geen, V. K. Mehta, V. Clark, J. Williams, "Vulnerability and Adaptation to Climate Change in California Agriculture" 2012.
Jackson L.E., V.R. Haden, A.D. Hollander, H. Lee, M. Lubell, V.K. Mehta, T. O’Geen, M.T. Niles, J. Perlman, D. Purkey, W. Salas, D. Sumner, M. Tomuta, M. Dempsey, S.M. Wheeler, "Adaptation Strategies for Agricultural Sustainability in Yolo County, CA" 2012.
"Managing for climate change in agriculture: Farmer adoption of practices." 2012.
"Farmers’ climate change attitudes: past, present, and future perspectives." 2012.
Niles M.T., M. Lubell, V.R. Haden, L.E. Jackson, "Farmers’ climate change attitudes: past, present, and future perspectives." 2012.
Niles M.T., M. Lubell, V.R. Haden, L.E. Jackson, "Managing for climate change in agriculture: Farmer adoption of practices." 2012.
Haden V.R., L.E. Jackson, "Agricultural responses to climate change in California. Rural Connections" 2011.
"Agricultural responses to climate change in California. Rural Connections" 2011.
Haden V.R., "Can a consensus be reached on the benefits of SRI?" 2009.
"Can a consensus be reached on the benefits of SRI?" 2009.
"How quickly will soil test P increase?" 2007.
Haden V.R., Q,M. Ketterings, J.E. Kahabka, C. Czymmek, "How quickly will soil test P increase?" 2007.