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W. Ashley Hammac
W. Ashley Hammac
Geosmin Agricultural Solutions
Verified email at geosmin.us - Homepage
Title
Cited by
Cited by
Year
Crop, tillage, and landscape effects on near‐surface soil quality indices in Indiana
WA Hammac, DE Stott, DL Karlen, CA Cambardella
Soil Science Society of America Journal 80 (6), 1638-1652, 2016
462016
High resolution imaging to assess oilseed species’ root hair responses to soil water stress
WA Hammac, WL Pan, RP Bolton, RT Koenig
Plant and Soil 339 (1), 125-135, 2011
372011
Water and Temperature Stresses Impact Canola (Brassica napus L.) Fatty Acid, Protein, and Yield over Nitrogen and Sulfur
WA Hammac, TM Maaz, RT Koenig, IC Burke, WL Pan
Journal of agricultural and food chemistry 65 (48), 10429-10438, 2017
332017
Influence of Soil Nitrogen and Water Supply on Canola Nitrogen Use Efficiency
T Maaz, W Pan, W Hammac
Agronomy Journal 108 (5), 2099-2109, 2016
282016
Mitscherlich-Modeled, Semi-Arid Canola Nitrogen Requirements Influenced by Soil Nitrogen and Water
WL Pan, T McClellan Maaz, WA Hammac, VA McCracken, RT Koenig
Agronomy Journal 108 (2), 884-894, 2016
272016
Determination of bioavailable nitrogen and phosphorus from pelletized broiler litter
WA Hammac, CW Wood, BH Wood, OO Fasina, Y Feng, JN Shaw
Scientific Research and Essays 2 (4), 089-094, 2007
252007
Canola growth, development and fertility
RT Koenig, WA Hammac, WL Pan
Washington State University Extension Fact Sheet FS045E, Pullman, WA, 2011
24*2011
Deposition-and transport-dominated erosion regime effects on the loss of dissolved and sediment-bound organic carbon: Evaluation in a cultivated soil with laboratory rainfall …
L Wang, H Yen, X Wang, C Huang, J Sun, A Hammac, Y Wang
Science of the Total Environment 750, 141717, 2021
162021
An analysis of yield variation under soil conservation practices
AE Anderson, WA Hammac, DE Stott, WE Tyner
Journal of Soil and Water Conservation 75 (1), 103-111, 2020
132020
Oilseed Root Characteristics: Implications for Water and Nutrient Management
W Pan, A Hammac, T McClellan, I Madsen, L Graves, K Sowers, L Young
Poster. Northwest BioEnergy Research Symposium. Seattle, WA, 2012
32012
4R nitrogen management when integrating canola into semi‐arid wheat
WL Pan, TM Maaz, IJ Madsen, M Reese, WA Hammac, D Wysocki, ...
Crops & Soils 50 (3), 16-66, 2017
22017
Nutrient Cycling in Pacific Northwest Oilseed Production
WA Hammac
Washington State University, 2015
22015
Testing the feasibility of quantifying change in agricultural soil carbon stocks through empirical sampling
MA Bradford, L Eash, A Polussa, FV Jevon, SE Kuebbing, WA Hammac, ...
Geoderma 440, 116719, 2023
12023
Mitscherlich Modeled Canola Nitrogen Use Efficiency Influenced By Soil N and Water.
TMC Maaz, WL Pan, RT Koenig, WA Hammac
ASA, CSSA and SSSA International Annual Meetings (2015), 2015
12015
The Impact of Region, Nitrogen Use Efficiency, and Grower Incentives on Greenhouse Gas Mitigation in Canola (Brassica napus) Production
WA Hammac, W Pan, RT Koenig, V McCracken
AGU Fall Meeting Abstracts 2012, B51F-0633, 2012
12012
Canola Roots of Water and Nitrogen Use Efficiency: New Lessons for PNW Wheat Growers
WL Pan, TM Maaz, IJ Madsen, WA Hammac, M Reese
Western Nutrient Management Conference, 2017
2017
EQCom: an education and outreach simulation game for enhancing environmental quality in the commons
WA Hammac
International Nitrogen Initiative, 2016
2016
Cropping System, Agroecological Zone, and Nitrogen Use Efficiency Effect on Greenhouse Gas Mitigation for Biodiesel Feedstock Production
WA Hammac, WL Pan, RT Koenig, A Fortuna, BK Lamb, JP Reganold
Agro Environ, 2016
2016
Economically Optimal N Recommendations Based on Variable Grain and Fertilizer Pricing and Mitscherlich-Modeled Canola Yield Responses
W Sawadgo, V McCracken, TMC Maaz, WA Hammac, RTKWL Pan
ASA, CSSA and SSSA International Annual Meetings (2015), 2015
2015
The Conservation Cropping Systems Initiative: A Model Approach for Conservation Technology Transfer.
WA Hammac, B Fisher, L Holscher, JB Warner, L Zimmerman, ...
ASA, CSSA and SSSA International Annual Meetings (2015), 2015
2015
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