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Aluminum Sulfate as a Stabilizer of Nursery Stock Development

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Excessive release of available nitrogen and abnormal growth stimulation of two-year-old seedlings of red pine, Pinus resinosa Air., on biocide-treated soils were drastically reduced by application of raw, moderately acid peat and aluminum sulfate. Addition of peat was essential to increase the exchange capacity of the coarse sandy soil. assuring retention of aluminum in the root zone. The treatment yielded stock of significantly diminished top-root ratio and augmented plantability. Soil analyses revealed that the impediment of the microbiotic activity was largely caused by the aluminum ions; the acidifying effect of the sulfate radical completely disappeared within a few months. High solubility of aluminum sulfate, permitting recurrent liquid applications, imparts to the method considerable flexibility as well as safety.

Document Type: Journal Article

Affiliations: Lecturer, Dep. of Soil Sci., Univ. of Wisconsin

Publication date: 1972-01-01

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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.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

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