APA (7th ed.) Citation

Johnson, T. C. (1978). The effects of environmental and management factors on the nitrogenase activity, total N content, and yield of seedling alfalfa (Medicago sativa L.). Johnson.

Chicago Style (17th ed.) Citation

Johnson, Timothy Charles. The Effects of Environmental and Management Factors on the Nitrogenase Activity, Total N Content, and Yield of Seedling Alfalfa (Medicago Sativa L.). [College Station, Tex.]: Johnson, 1978.

MLA (9th ed.) Citation

Johnson, Timothy Charles. The Effects of Environmental and Management Factors on the Nitrogenase Activity, Total N Content, and Yield of Seedling Alfalfa (Medicago Sativa L.). Johnson, 1978.