Abstract
Herbaceous weed control was studied on a loblolly pine planting site in central Louisiana. Pine growth was enhanced without eradicating weeds; reducing weed biomass about 50% increased the mean inside bark volume of loblolly pine saplings 53% on the weeded treatments compared to the untreated control after five growing seasons in the field. Pines receiving both preplant weed control with glyphosate or disking and postplant weed control with a series of yearly treatments (1982, atrazine plus simazine; 1983, atrazine plus oxyfluorfen; 1984, hexazinone; and 1985, hexazinone) had 62% greater volume than pines on the preplant-only treatments. So, the best gains in loblolly pine volume required postplant weed control.
Publisher
Cambridge University Press (CUP)
Subject
Plant Science,Agronomy and Crop Science
Reference21 articles.
1. Discussion of herbicides in this paper does not constitute recommendation of their use or imply that uses discussed here are registered. Herbicides that are handled, applied, or disposed of improperly are a potential hazard to the applicator, off-site plants, and environment. Herbicides should be used only when needed and should be handled safely. Follow the directions, and heed all precautions on the container label.
2. Responses of Herbage, Pines, and Hardwoods to Early and Delayed Burning in a Young Slash Pine Plantation
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