Evaluation of the effects of Telone II (fumigation) on nitrogen management and yield in Louisiana delta cotton

Evaluation of the effects of Telone II (fumigation) on nitrogen management and yield in Louisiana... The objective of this paper is to evaluate Cotton, Gossypium hirsutum L. yield as affected by early season pests infesting alluvial soil within the Commerce-Bruin-Dundee soil series in Louisiana, USA. Novel methodology helped determine the effect of nematicide and selected fertility management practices on cotton lint yield collected from research plots and an on-farm test. In the small plot research test, data collected for thrips, nematodes and yield is analyzed using geo-referenced data points. Yields were significantly better in fumigation and nematicide seed treatments as compared to the non-treated plus high fertility management strategy that contained 144 kg/ha N, but more variation in yield occurred in the fumigation treatment with lower fertility management. In an embedded field trial that included three fertility management strategies (96, 138, 162 kg/ha N) applied with and without fumigation, linear mixed models analysis of co-variance techniques resulted in prescriptions for site-specific management of fumigation and fertilizer whereas conventional analysis could not be used for site-specific management. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Precision Agriculture Springer Journals

Evaluation of the effects of Telone II (fumigation) on nitrogen management and yield in Louisiana delta cotton

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Publisher
Springer US
Copyright
Copyright © 2009 by Springer Science+Business Media, LLC
Subject
Life Sciences; Agriculture; Soil Science & Conservation; Remote Sensing/Photogrammetry; Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences; Atmospheric Sciences
ISSN
1385-2256
eISSN
1573-1618
D.O.I.
10.1007/s11119-009-9129-x
Publisher site
See Article on Publisher Site

Abstract

The objective of this paper is to evaluate Cotton, Gossypium hirsutum L. yield as affected by early season pests infesting alluvial soil within the Commerce-Bruin-Dundee soil series in Louisiana, USA. Novel methodology helped determine the effect of nematicide and selected fertility management practices on cotton lint yield collected from research plots and an on-farm test. In the small plot research test, data collected for thrips, nematodes and yield is analyzed using geo-referenced data points. Yields were significantly better in fumigation and nematicide seed treatments as compared to the non-treated plus high fertility management strategy that contained 144 kg/ha N, but more variation in yield occurred in the fumigation treatment with lower fertility management. In an embedded field trial that included three fertility management strategies (96, 138, 162 kg/ha N) applied with and without fumigation, linear mixed models analysis of co-variance techniques resulted in prescriptions for site-specific management of fumigation and fertilizer whereas conventional analysis could not be used for site-specific management.

Journal

Precision AgricultureSpringer Journals

Published: Aug 6, 2009

References

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