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Browsing by Author "Christensen, Neil Walter, 1944-"

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Browsing by Author "Christensen, Neil Walter, 1944-"

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  • Applying lime to raise soil pH for crop production (western Oregon) 
    Oregon State University. Extension Service; Anderson, Nicole P.; Hart, John M. (John Mervyn), 1947-; Sullivan, Dan M. (Dan Matthew), 1954-; Horneck, Donald Arthur; Pirelli, G. J. (Gene J.); Christensen, Neil Walter, 1944- (Corvallis, Or. : Extension Service, Oregon State University, 2013-05)
    This publication describes how to estimate lime application rate and lists criteria for choosing liming materials (source), lime application method (placement), and how often to apply lime (frequency).
  • Combating take-all root rot of winter wheat in western Oregon 
    Oregon State University. Extension Service.; Jackson, T. L. (Thomas Lloyd), 1922-; Powelson, R. L.; Christensen, Neil Walter, 1944- (Corvallis, Or. : Extension Service, Oregon State University, 1983-09)
  • Combating take-all root rot of winter wheat in western Oregon 
    Oregon State University. Extension Service.; Jackson, T. L. (Thomas Lloyd), 1922-; Powelson, R. L.; Christensen, Neil Walter, 1944- (Corvallis, Or. : Extension Service, Oregon State University, 1984)
  • Combatting take-all of winter wheat in western Oregon 
    Oregon State University. Extension Service; Christensen, Neil Walter, 1944-; Hart, John M. (John Mervyn), 1947- (Corvallis, Or. : Extension Service, Oregon State University, 1993-01)
  • Combatting take-all root rot of winter wheat in western Oregon 
    Oregon State University. Extension Service; Christensen, Neil Walter, 1944-; Hart, John M. (John Mervyn), 1947- ([Corvallis, Or.] : Oregon State University, Extension Service, 2008-06)
    Take-all disease of wheat is caused by the soilborne fungus Gaeumannomyces graminis var. tritici (Ggt). This disease infects the roots, crown, and basal stem of plants. Take-all is common in western Oregon whenever co ...
  • Evaluating soil nutrients and pH by depth in situations of limited or no tillage in western Oregon 
    Oregon State University. Extension Service; Anderson, Nicole P.; Hart, John M. (John Mervyn), 1947-; Horneck, Donald Arthur; Sullivan, Dan M. (Dan Matthew), 1954-; Christensen, Neil Walter, 1944-; Pirelli, G. J. (Gene J.) (Corvallis, Or. : Extension Service, Oregon State University, 2010-10)
    Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil sample is ta ...
  • Hops 
    Oregon State University. Extension Service; Gingrich, Gale Allen; Hart, John M. (John Mervyn), 1947-; Christensen, Neil Walter, 1944- (Corvallis : Oregon State University, Extension Service, 1994-07)
    Fertilizing hops improves yield and quality by supplying the crop with ample nutrition in advance of demand. Producers must combine this goal with production costs and environmental stewardship. Fertilization should be ...
  • Nitrogen uptake and utilization by Pacific Northwest crops 
    Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Sullivan, Dan M. (Dan Matthew), 1954-; Hart, John M. (John Mervyn), 1947-; Christensen, Neil Walter, 1944-; Pacific Northwest Cooperative Extension ([Covallis, Or.] : Oregon State University Extension Service, 1999-01)
    This publication provides information on the timing and pattern of biomass accumulation and nitrogen (N) uptake for a variety of Pacific Northwest crops. You can use this information to schedule N fertilizer application ...
  • Peppermint (western Oregon) 
    Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Sullivan, Dan M. (Dan Matthew), 1954-; Mellbye, Mark Edward; Hulting, Andrew Gerald; Christensen, Neil Walter, 1944-; Gingrich, Gale Allen (Corvallis, Or. : Extension Service, Oregon State University, 2010-12)
    Nutrient management guidance for commercial wholesale nurseries that produce peppermint for oil extraction.
  • Phosphorus fertilization of late-planted winter wheat in no-till fallow : applied research in the low-precipitation zone 
    Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Lutcher, L. K. (Lawrence K.); Christensen, Neil Walter, 1944-; Schillinger, William F.; Wysocki, Donald John, 1952-; Wuest, Stewart ([Covallis, Or.] : Oregon State University Extension Service, 2012-04)
    This publication describes results of applied research on phosphorus fertilization of late-planted winter wheat in no-till fallow in the low-precipitation zone of Oregon and Washington.
  • The Pre-sidedress Soil Nitrate Test (PSNT) for western Oregon and western Washington 
    Oregon State University. Extension Service; Marx, E. S.; Christensen, Neil Walter, 1944-; Hart, John M. (John Mervyn), 1947-; Gangwer, Michael I.; Cogger, Craig George, 1950-; Bary, Andy I. (Corvallis, Or. : Extension Service, Oregon State University, 1996-04)
  • Soft white winter wheat 
    Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Flowers, Michael Darrell, 1971-; Roseberg, R. J.; Christensen, Neil Walter, 1944-; Mellbye, Mark Edward (Corvallis, Or. : Extension Service, Oregon State University, 2009-06)
    Gives nutrient and lime recommendations for soft white winter wheat in western Oregon. Also discusses: impact of diseases, such as take-all root rot, on crop yield; planting in poorly drained soil; soils and settings for ...
  • Soft white winter wheat (western Oregon) 
    Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Flowers, Michael Darrell, 1971-; Anderson, Nicole P.; Roseberg, Richard J.; Christensen, Neil Walter, 1944-; Mellbye, Mark Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-07)
    Gives nutrient and lime recommendations for soft white winter wheat in western Oregon. Also discusses: impact of diseases, such as take-all root rot, on crop yield; planting in poorly drained soil; soils and settings for ...
  • Using the nitrogen mineralization soil test to predict spring fertilizer N rate : soft white winter wheat grown in western Oregon 
    Oregon State University. Extension Service.; Hart, John M. (John Mervyn), 1947-; Christensen, Neil Walter, 1944-; Mellbye, Mark Edward; Flowers, Michael Darrell, 1971- (Corvallis, Or. : Extension Service, Oregon State University, 2006-01)
    Soft white winter wheat grown in western Oregon requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers because wheat is prod ...
  • Using the nitrogen mineralization soil test to predict spring fertilizer N rate for soft white winter wheat grown in western Oregon 
    Oregon State University. Extension Service; Anderson, Nicole P.; Hart, John M. (John Mervyn), 1947-; Christensen, Neil Walter, 1944-; Mellbye, Mark Edward; Flowers, Michael Darrell, 1971- (Corvallis, Or. : Extension Service, Oregon State University, 2010-11)
    Soft white winter wheat is grown in western Oregon and requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers. Wheat obtains ...
  • Winter wheat : western Oregon - west of Cascades 
    Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Christensen, Neil Walter, 1944-; Jackson, T. L. (Thomas Lloyd), 1922-; Karow, R.; Kronstad, W. E. (Corvallis : Oregon State University, Extension Service, 1989-05)
  • Winter wheat in summer-fallow systems (intermediate precipitation zone) 
    Oregon State University. Extension Service; Lutcher, L. K. (Lawrence K.); Horneck, Donald Arthur; Wysocki, Donald John, 1952-; Hart, John M. (John Mervyn), 1947-; Petrie, S. E.; Christensen, Neil Walter, 1944- (Corvallis : Oregon State University, Extension Service, 2006-11)
    Recommendations in this fertilizer guide apply to tillage fallow-winter wheat and chemical fallow-winter wheat cropping systems. This guide is one of a set of publications that address the nutritional requirements of no ...
  • Winter wheat in summer-fallow systems (low precipitation zone) 
    Oregon State University. Extension Service; Lutcher, L. K. (Lawrence K.); Horneck, Donald Arthur; Wysocki, Donald John, 1952-; Hart, John M. (John Mervyn), 1947-; Petrie, S. E.; Christensen, Neil Walter, 1944- (Corvallis : Oregon State University, Extension Service, 2006-11)
    Recommendations in this fertilizer guide apply to tillage fallow-winter wheat and chemical fallow-winter wheat cropping systems. This guide is one of a set of publications that address the nutritional requirements of no ...

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