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Helicopter fertilizing of Foothill RangeAuthor(s): Don A. Duncan; Jack N. Reppert
Source: Res. Note PSW-RN-108. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
Publication Series: Research Note (RN)
Station: Pacific Southwest Research Station
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DescriptionHelicopters may prove the best method of applying sulfur fertilizer on rangeland too steep for ground application, or with no nearby landing strip for fixed-wing aircraft. Helicopter fertilization of 457 acres of the San Joaquin Experimental Range in central California in 1960 and 1963 was fast and practical.
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CitationDuncan, Don A.; Reppert, Jack N. 1966. Helicopter fertilizing of Foothill Range. Res. Note PSW-RN-108. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
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