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Silvopastoral practices sustain timber and forage production in commercial loblolly pine plantations of northwest Louisiana, USA



Silvopastoral practices sustain timber and forage production in commercial loblolly pine plantations of northwest Louisiana, USA



Agroforestry Systems 44(2-3): 293-303, 1998-



Four forage management treatments, bahiagrass, common bermudagrass, Coastal bermudagrass, and timber only were established in 26-year-old loblolly pine plantation. Pine growth data were collected in 1984, 1990, and 1995, and forage production was evaluated at 21-day intervals from April to October from 1991 through 1995. Forage management practices improved timber production, increasing five-year merchantable volume growth by 13 m3 ha-1. Mean five-year forage crop yields differed among treatments (P = 0.05) with daily dry matter yields averaging 39, 46, and 48 kg ha-1 for bahiagrass, common bermudagrass, and Coastal bermudagrass, respectively. Forage nutritional quality did not differ among forage crops. Forage management treatment future net values were computed for a 5% real interest rate. Although the future net value for bahiagrass and common bermudagrass exceeded Coastal bermudagrass, the mean forage crop future net value was similar to the timber only treatment.

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Accession: 003272338

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DOI: 10.1023/a:1006267114962


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