Southern Research Station

Title: Allometry and biomass of pollarded black locust

Author: Burner, David M.; Pote, Daniel H.; Ares, Adrian

Date: 2006

Source: Gen. Tech. Rep. SRS-92. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 569

Description: Climatic constraints can cause forage deficits in the summer in west-central Arkansas, necessitating expensive, supplemental hay feeding. Black locust could be used for summer browse, but the temporal distribution of foliar biomass has not been adequately tested. Our objective was to determine effects of harvest date, fertilization (0 and 600 kg P ha^-1 yr^-1), and pollard height (stems cut at 5, 50, and 100 cm above ground) on foliar and shoot allometry of black locust. The test was conducted on a naturally regenerated 2-year-old black locust stand (15,000 trees ha^-1). Basal shoot diameter and foliar yield were measured monthly in June to October 2002 and 2003. Yield (Y) of foliar and shoot dry matter was estimated from basal shoot diameter (D) by the function Y=aD^b, with regression explaining at least 95 percent of variance.

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Citation

Burner, David M.; Pote, Daniel H.; Ares, Adrian  2006.  Allometry and biomass of pollarded black locust.   Gen. Tech. Rep. SRS-92. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 569