Fertilizing with Ammonium Nitrate improves Red Pine Seed Production

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Abstract:

In 1962 a test was undertaken to determine the effectiveness of fertilizing with ammonium nitrate (33.5 percent nitrogen) as a means of increasing seed production of 45- to 75-year-old red pine. Fertilizer, applied at the rate of 300 pounds per acre at the time of bud break, increased average cone production from 844 to 1.187 cones per tree.

Document Type: Journal Article

Affiliations: Department of Forestry and Rural Development, Winnipeg, Manitoba

Publication date: June 1, 1967

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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