This article shows that ground orthoclase feldspar is a suitable source of potassium for pine seedlings. Depending on conditions, feldspars and other potash-bearing minerals or rocks may wholly or partially replace commercial potash fertilizers in forest nurseries. The use of difficultly soluble potash minerals effects a material reduction in the fluctuation of soluble salts in nursery soils.
Document Type: Journal Article
Asssistant Technologist, U. S. Forest Products Laboratory, Madison, Wis.
Publication date: May 1, 1945
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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.