Conservation Tillage and Cover Crop Influences on Cotton Production on a Southeastern U.S. Coastal Plain Soil

Understanding cover crop and tillage system interactions within specific environments can help maximize productivity and economic returns of cotton (Gossypium hirsutum L.) produced on sandy coastal plain soils of the southeastern USA. A strip-plot design with three replications was used to evaluate...

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Bibliographic Details
Published in:Agronomy journal 2006-09, Vol.98 (5), p.1247-1256
Main Authors: Schomberg, H.H, McDaniel, R.G, Mallard, E, Endale, D.M, Fisher, D.S, Cabrera, M.L
Format: Article
Language:English
Subjects:
Agricultural practices
Agronomy. Soil science and plant productions
Biological and medical sciences
Coastal plains
cotton
Cover crops
crop rotation
crop yield
Cropping systems. Cultivation. Soil tillage
drought
dry matter accumulation
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Generalities. Cropping systems and patterns
Gossypium hirsutum
nitrogen content
no-tillage
profitability
Soil conservation
Soil erosion, conservation, land management and development
Soil science
soil water content
strip tillage
water stress
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Summary:Understanding cover crop and tillage system interactions within specific environments can help maximize productivity and economic returns of cotton (Gossypium hirsutum L.) produced on sandy coastal plain soils of the southeastern USA. A strip-plot design with three replications was used to evaluate the cover crops Austrian winter pea [Pisum sativum L. ssp. arvense (L.)], balansa clover (Trifolium michelianum Savi), crimson clover (Trifolium incarnatum L.), hairy vetch (Vicia villosa Roth subsp. villosa), oil seed radish (Raphanus sativus L.), black oat (Avena strigosa Schreb.), and rye (Secale cereale L.) and tillage (strip and none) influences on cotton grown on a Bonifay fine sand (loamy, siliceous, subactive, thermic Grossarenic Plinthic Paleudults) near Waynesboro, GA from 1999 to 2003. Drought influenced production 3 of 4 yr. Cover crop biomass was greatest from rye, intermediate from black oat, oilseed radish, hairy vetch, and Austrian winter pea. Hairy vetch and Austrian winter pea contained more than 80 kg N ha-1 while other cover crops averaged
ISSN:0002-1962
1435-0645
DOI:10.2134/agronj2005.0335