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Title: Agroforestry planting design affects loblolly pine growth
Author: Burner, D.M.;
Source: In: Guldin, James M., ed. 2013. Proceedings of the 15th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-GTR-175. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 465-468.
Publication Series: Paper (invited, offered, keynote)
Description: The effect of plantation design on resource utilization has not been adequately investigated in agroforestry plantations. An experiment was conducted near Booneville, AR, on a silt loam soil with a fragipan. Loblolly pine (Pinus taeda L.) trees were planted in 1994 in three designs: two rows (1.2 by 2.4 m) with a 7.3-m alley, four rows (1.2 by 2.4 m) with a 12.2-m alley, and a rectangular 1.2- by 2.4-m configuration. Each 0.4-ha design was replicated three times. Height and d.b.h. were measured for 6 consecutive years (2002 to 2007) in 0.047-ha plots. Tree height increased annually from 7.30 m (2002) to 13.27 m (2007). For any given year, d.b.h. was greatest in the two-row design, and the four-row design had greater d.b.h. than the rectangular design in 2004 to 2007. Exterior rows in the four-row design had greater d.b.h. than interior rows. Depending on design, plantations might be useful for alley cropping, silvopasture, or pine straw.
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Burner, D.M. 2013. Agroforestry planting design affects loblolly pine growth. In: Guldin, James M., ed. 2013. Proceedings of the 15th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-GTR-175. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 465-468.
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