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    Author(s): Mary Michelle Barnett; Sandra Rideout; Brian P. Oswald; Kenneth W. Farrish; Hans M. Williams
    Date: 2002
    Source: In: Gen. Tech. Rep. SRS–48. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pg. 143-146
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (47 KB)


    This study was initiated to determine growth response resulting from the application of prescribed fire and herbicide, with and without fertilization. In southeast Texas, herbicide, prescribed fire and fertilizer treatments were applied in mid-rotational loblolly pine plantations 1.5 years after thinning. Five replications were established at each of two study sites located on similar soils, aspects and slopes. Half of each replication was randomly selected and fertilized. Eight treatment plots were established in each replication with one of each of the four treatments of control, herbicide, fire, and herbicide/fire randomly applied to fertilized plots and one of each of the four treatments randomly applied to non-fertilized plots. Pre-treatment measurements were taken in a 0.04 ha measurement plot nested within each treatment plot. A late season herbicide treatment of Imazapyr and Arsenal was applied in October 1999. Burning was conducted in early spring of 2000 followed by fertilizer applications of diammonium phosphate and urea. Post-treatment measurements were taken in December 2000. Growth response and significant treatment differences are presented in this paper.

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    Barnett, Mary Michelle; Rideout, Sandra; Oswald, Brian P.; Farrish, Kenneth W.; Williams, Hans M. 2002. Growth Response From Herbicide, Prescribed Fire, and Fertilizer Treatments in Midrotational Loblolly Pine: Fire-Year Response. In: Gen. Tech. Rep. SRS–48. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pg. 143-146

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