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TitleChromolaena Biocontrol 1993
TagsCrop Rotation Weed Savanna Agriculture Herbicide
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DISTRIBUTION, ECOLOGY AND MANAGEMENT OFCHROMOLAENA ODORATA

REPARTITION, ECOLOGIE ET GESTION DE CHROMOLAENA ODORATA

Proceedings of the Third International Chromolaena Workshop

Comptes Rendus du Troisieme Atelier International sur Chromolaena

Abidjan, Cote d'Ivoire, November 1993

Agricultural Experiment Station

University of Guam, Mangilao, GUAM, USA

Publication nO 202

1996

Page 2

DISTRIBUTION, ECOLOGY AND MANAGEMENT OFCHROMOLAENAODORATA

REPARTITION,ECOLOGIEETGESTIONDE CHROMOLAENA ODORATA

Proceedingsof the Third InternationalChromolaenaWorkshop

Comptes Rendus du Troisieme Atelier International sur Chromolaena

(Abidjan, C6ted'Ivoire, November1993)

CHROMOLAENA WORKING GROUP

INTERNAnONAL ORGANIZATION OF BIOLOGICAL CONTROL

AGRICULTURAL EXPERIMENT SfAnON

UNIVERSITY OF GUAM

MANGILAO, GUAM, U.S.A.

Publishedwith the financial supportof ORSfOM and ICRAF

Publie avec le soutienfinancier de l'ORSTOMet de l'ICRAF

ORSfOM:Institut �F�r�a�n�~�a�i�s deRecherchepourle DeveloppementenCooperation

French Scientific ResearchInstitute for Developmentthrough Cooperation

213,rueLa Fayette,75480,Paris,Cedex10,France

ICRAF: InternationalCentrefor Researchin Agroforestry

Centre International de Rechercheen Agroforesterie

United NationsAvenue,p.a. Box 30677,Nairobi, Kenya

Page 106

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Paraiso, A. liTA, BP 08 0932, Cotonou, Benin. PIlP: 35.01.88 Fax: (229) 30.14.66.

Slaats, J.J.P. Wageningen Agricultural University, PO Box 341,6700 AM Wageningen, The
Netherlands. Ph 31.8370.83040 Fax: 31.8370.84575.

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Ph: 051-6221

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251-326-851.

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Chromolaena is a major weed in some
croppingsystems(here in a young coconut
palm plantation,Sumatra,Indonesia).
Chromolaenaestuneadventicemajeure dans
certainssystemesde culture (id, dans une
jeune plantation de cocotier, Sumatra,
Indonesie).

Swiddenfarmers cI ai m that Clzromolaena
fallows improve soil fertility and allow to
reducethe fallow period without decreasing
yields (cassavaswidden,with Chromolaena
fallow in the background,Mayombe,Congo).
Lesagriculteurs sur brulis affirment que les
jac!zeresa Chromolaenaameliorent l a
fertilite du sol et permettentde reduire la
periode de jachere sansdiminution du
rendement descultures (abattisa manioc,
avecjacherea Chromolaenaal'arriere plan,
Mayombe,Congo).

New researchis neededin order to assess
Chromolaena/soil interactionsand to clarify
Chromolaena's status.Millions of small
farmersin the humid tropics are concerned
(Mayombeswiddenfarmer,Congo).
De nouvellesrecherchessont necessaires
pourpreciserles interactions Chromolaena/
sol etpour clarifier le statutde Chromolaena.
Des millions de petits paysansdans les
TropiquesHumidessont concernes(paysan
du Mayombe,Congo).

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