selected publications
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academic article
- Long-Term Trends of Nitrogen and Phosphorus Use and Soil pH Change in Northern Idaho and Eastern Washington. Communications in Soil Science and Plant Analysis. 47:414-424. 2016
- Effects of local drought condition on public opinions about water supply and future climate change. Climatic Change. 132:193-207. 2015
- The Role of Agency Partnerships in Collaborative Watershed Groups: Lessons from the Pacific Northwest Experience. Environmental Management. 55:56-68. 2015
- Importance of Soil Fertility, Soil Sampling, and Fertilizer Recommendations in the Inland Pacific Northwest. Communications in Soil Science and Plant Analysis. 45:2979-2991. 2014
- Audience preferences for water resource information from extension and other sources. Natural Sciences Education. 42:123-130. 2013
- Differences in Opinions about Surface Water Quality Issues in the Southern United States: Implications for Watershed Planning Process. Natural Sciences Education. 42:104-113. 2013
- The influence of attitudes, perceptions and learning preferences on water-conserving actions. Natural Sciences Education. 42:114-122. 2013
- The national water survey needs assessment program. Natural Sciences Education. 42:98-103. 2013
- Collaborative Watershed Groups in Three Pacific Northwest States: A Regional Evaluation of Group Metrics and Perceived Success. Journal of the American Water Resources Association. 48:113-122. 2012
- Nutrient Management Practices Used in Potato Production In Idaho. Communications in Soil Science and Plant Analysis. 42:871-882. 2011
- Bottled Water: United States Consumers and Their Perceptions of Water Quality. International Journal of Environmental Research and Public Health. 8:565-578. 2011
- Long-term sediment loading trends in the Paradise Creek watershed. Journal of Soil and Water Conservation. 65:331-341. 2010
- Water Management Practices Used in Potato Production in Idaho. American Journal of Potato Research. 87:253-260. 2010
- Determinants of the adoption of conservation practices by farmers in the Northwest Wheat and Range Region. Journal of Soil and Water Conservation. 65:404-412. 2010
- Relationship between Soil Test Boron and Pea Yields in the Inland Pacific Northwest. Communications in Soil Science and Plant Analysis. 40:2603-2615. 2009
- Factors affecting the adoption of best management practices in the Inland Northwest. Journal of Agricultural and Resource Economics. 32:559-559. 2007
- Relationship between soil-test boron and lentil yields in the inland Pacific Northwest. Communications in Soil Science and Plant Analysis. 38:1193-1202. 2007
- Nitrogen Source, Timing of Application, and Placement: Effects on Winter Wheat Production. Agronomy Journal. 86:637-642. 1994
- Evaluation Of Water Potential, Fertilizer Placement And Incubation Time On Volatilization Losses Of Urea In two Northern Idaho Soils. Communications in Soil Science and Plant Analysis. 25:1991-2004. 1994
- Nutrient Management in Idaho. Journal of Soil and Water Conservation. 49:89-92. 1994
- The Potential For Volatilization Losses Of Applied Nitrogen Fertilizers From Northern Idaho Soils. Communications in Soil Science and Plant Analysis. 25:361-373. 1994
- Evaluation Of The Nitrogen Fertilizer Value Of Plant Materials To Spring Wheat Production. Agronomy Journal. 85:305-309. 1993
- Effect Of Soil pH Modification On DTPA-Extractable Copper, Manganese, And Zinc In A Northern Idaho Soil. Communications in Soil Science and Plant Analysis. 24:295-314. 1993
- Log Yard Fines As A Soil Amendment: Pot And Field Studies. Communications in Soil Science and Plant Analysis. 24:2025-2041. 1993
- Newsprint Pulp And Paper Sludge As A Soil Additive Amendment For Alfalfa And Bluegrass: Greenhouse Study. Communications in Soil Science and Plant Analysis. 24:1371-1388. 1993
- Relationships Between Soil Sulfate-Sulfur And Seed Yields Of Winter Rapeseed. Agronomy Journal. 85:128-133. 1993
- Manganese Relationships In Spring Wheat And Spring Barley Production In Northern Idaho. Communications in Soil Science and Plant Analysis. 23:1671-1692. 1992
- Micronutrients In The Kootenai River Valley Of Northern Idaho .I. Effect Of Soil Chemical-Properties On Micronutrient Availability. Communications in Soil Science and Plant Analysis. 23:1161-1178. 1992
- Micronutrients In The Kootenai River Valley Of Northern Idaho .II. Use Of Cluster And Discriminant Analyses To Evaluate Soil Micronutrient Status. Communications in Soil Science and Plant Analysis. 23:1179-1194. 1992
- Wood Ash As A Soil Additive And Liming Agent For Wheat: Field Studies. Communications in Soil Science and Plant Analysis. 23:25-33. 1992
- Evaluation Of Wood Ash Disposal On Agricultural Land .I. Potential As A Soil Additive And Liming Agent. Communications in Soil Science and Plant Analysis. 22:243-256. 1991
- Evaluation Of Wood Ash Disposal On Agricultural Land .II. Potential Toxic Effects On Plant-Growth. Communications in Soil Science and Plant Analysis. 22:257-267. 1991
- The Effect Of Plant Material On The Relationship Between Sodium Acetate And Sodium-Bicarbonate Extractable Phosphorus In A Latahco Silt Loam Soil. Communications in Soil Science and Plant Analysis. 22:597-612. 1991
- Effects Of Plant Residues And Environmental-Factors On Phosphorus Availability In Soils. Communications in Soil Science and Plant Analysis. 21:471-491. 1990
- Evaluation Of Nutrient Solution Phosphorus Concentration On Potato Plantlet Tuber Production Under Greenhouse Conditions. Journal of Plant Nutrition. 13:149-168. 1990
- Soil Sampling Fields That Have Received Banded Fertilizer Applications. Communications in Soil Science and Plant Analysis. 21:1793-1802. 1990
- Evaluation Of Factors Affecting Emergence Of Winter Wheat Planted With Seed Banded Nitrogen Fertilizers. Soil Science Society of America Journal. 53:571-575. 1989
- Evaluation Of The Green Manure Potential Of Austrian Winter Peas In Northern Idaho. Agronomy Journal. 81:258-264. 1989
- Evaluation Of N, P, S And B Of Kentucky Bluegrass Seed In Northern Idaho. Communications in Soil Science and Plant Analysis. 20:989-1009. 1989
- Evaluation Of Potting Mix Composition On Potato Plantlet Tuber Production Under Greenhouse Conditions. Journal of Plant Nutrition. 12:1055-1068. 1989
- The Effect Of Soil pH On Wheat And Lentils Grown On An Agriculturally Acidified Northern Idaho Soil Under Greenhouse Conditions. Communications in Soil Science and Plant Analysis. 20:359-381. 1989
- Urea-Ammonium Nitrate-Ammonium Thiosulfate Applications For Dryland Winter-Wheat. Journal of Fertilizer Issues. 6:50-55. 1989
- Sources and Timing of Spring Topdress Nitrogen on Winter Wheal in Idaho. Agronomy Journal. 80:648-654. 1988
- Relationships Between Soluble Silica And Plow Pans In Palouse Silt Loam Soils. Soil Science. 145:359-364. 1988
- Influence Of Soil Water Potential And Seed Banded Sulfur Coated Urea On Spring Barley Emergence. Soil Science Society of America Journal. 52:529-534. 1988
- Forage Production On Andic Soils .2. The Influence Of Phosphorus Fertilization On Red And White Clover. Soil Science. 145:87-92. 1988
- Comparison Of Urea Ammonium-Nitrate And Ammonium Nitrate As Pop-Up N Sources For Winter Wheat. Journal of Fertilizer Issues. 5:72-77. 1988
- Evaluation Of Lime Requirement Tests For Northern Idaho Soils. Communications in Soil Science and Plant Analysis. 19:153-166. 1988
- The Effect Of Soil pH Manipulation On Chemical Properties Of An Agricultural Soil From Northern Idaho. Communications in Soil Science and Plant Analysis. 19:1795-1812. 1988
- Sorption Of Silica In A Northern Idaho Palouse Silt Loam. Soil Science. 144:181-189. 1987
- Effect Of Soil pH On Crop Yield In Northern Idaho. Agronomy Journal. 79:751-755. 1987
- Effects Of Phosphorus And Acidity On Levels Of Silica Extracted From A Palouse Silt Loam. Soil Science Society of America Journal. 51:674-677. 1987
- Evaluation Of Fluid Lime On Wheat Production In Idaho. Journal of Fertilizer Issues. 4:103-108. 1987
- The Distribution Of Si-Compound, Al-Compound, And Fe-Compound In 2 Mollisols Differing In Landscape Position. Communications in Soil Science and Plant Analysis. 18:515-528. 1987
- Forage Production On Andic Soils .1. The Influence Of Phosphorus Fertilization On Alfalfa And Birdsfoot-Trefoil. Soil Science. 141:417-422. 1986
- Evaluation Of A Salt-Fluxing Residue As A Potential Potassium Magnesium Fertilizer In The Pacific-Northwest. Communications in Soil Science and Plant Analysis. 17:679-695. 1986
- Evaluation Of Soil pH Manipulation On Crop Production In Northern Idaho. Communications in Soil Science and Plant Analysis. 17:905-919. 1986
- Tolerance Of Spring Wheat To A Salt-Fluxing Residue Containing Potassium And Magnesium. Communications in Soil Science and Plant Analysis. 17:1355-1367. 1986
- Evaluation Of Urea-Ammonium Nitrate (Uan) Topdress Applications On Winter-Wheat In Northern Idaho. Journal of Fertilizer Issues. 2:74-79. 1985
- Long-Term Acidification Of Farmland In Northern Idaho And Eastern Washington. Communications in Soil Science and Plant Analysis. 16:83-95. 1985
- The Influence Of Crop-Rotation And Tillage Methods On DTPA-Extractable Copper, Iron, Manganese, And Zinc In Northern Idaho Soils. Soil Science. 139:279-286. 1985
- The Influence Of Crop-Rotation And Tillage Methods On The Distribution Of Extractable Boron In Northern Idaho Soils. Soil Science. 139:67-73. 1985
- The Influence Of Lime And Phosphorus On Crop Production In Northern Idaho. Communications in Soil Science and Plant Analysis. 16:485-499. 1985
- Greenhouse Evaluation Of Growth-Parameters Related To Birdsfoot-Trefoil And Red And White Clover Production On An Andic Mission Silt Loam. Communications in Soil Science and Plant Analysis. 15:969-983. 1984
- Hot Water Extraction Of Boron From Soils Using Sealed Plastic Pouches. Communications in Soil Science and Plant Analysis. 15:479-492. 1984
- The Influence Of Mount St. Helens Ash On Wheat Growth And Phosphorus, Sulfur, Calcium, And Magnesium Uptake. Journal of Environmental Quality. 13:91-96. 1984
- The Influence Of Mount St. Helens Volcanic Ash Of Alfalfa Growth And Nutrient-Uptake. Communications in Soil Science and Plant Analysis. 15:449-460. 1984
- The Influence Of N-Sources And Rates On Soil N-Parameters Related To Strawberry Production In Northern Idaho. Communications in Soil Science and Plant Analysis. 15:819-832. 1984
- The Influence Of Tillage Methods, Cropping Sequence, And N-Rates On The Acidification Of A Northern Idaho Soil. Soil Science. 137:52-60. 1984
- Influence Of Ph On Yield And N-Nutrition And P-Nutrition Of Alfalfa Grown On An Andic Mission Silt Loam. Agronomy Journal. 75:731-735. 1983
- Seasonal-Variation Of Rhizobium-Meliloti In Alfalfa Hay And Cultivated Fields In North-Carolina. Agronomy Journal. 74:428-431. 1982
- The Influence Of Soil-Water Potential And Soil Texture On The Survival Of Rhizobium-Japonicum And Rhizobium-Leguminosarum Isolates In The Soil. Soil Science Society of America Journal. 45:761-766. 1981
- The Influence Of Irrigation And Rhizobium-Japonicum Strains On Yields Of Soybeans Grown In A Lakeland Sand. Agronomy Journal. 73:647-651. 1981
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chapter
- Paradise Creek Watershed, Idaho: National Institute of Food and Agriculture Conservation Effects Assessment Project. How to Build Better Agricultural Conservation Programs to Protect Water Quality: The National Institute of Food and Agriculture—Conservation Effects Assessment Project Experience. 221-233. 2012