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Ratana (Ischaemum indicum, Houtt; sin. I. Ciliere, Retz) response to intensive management under different nitrogen fertilization rates in the Humid Tropics

Published online by Cambridge University Press:  01 November 2010

Milton Villarreal-Castro ,
Edin Villalobos ,
Carlos Rodriguez ,
Ernesto Ducca  and
Olger Alfaro
Milton Villarreal-Castro*
Affiliation:
Escuela de Agronomía, Instituto Tecnológico de Costa Rica, Sede San Carlos. Alajuela, Costa Rica
Edin Villalobos
Affiliation:
Escuela de Agronomía, Instituto Tecnológico de Costa Rica, Sede San Carlos. Alajuela, Costa Rica
Carlos Rodriguez
Affiliation:
Escuela de Agronomía, Instituto Tecnológico de Costa Rica, Sede San Carlos. Alajuela, Costa Rica
Ernesto Ducca
Affiliation:
Ministerio de Agricultura y Ganadería. Dirección Regional Huetar Norte, Costa Rica
Olger Alfaro
Affiliation:
Ministerio de Agricultura y Ganadería. Dirección Regional Huetar Norte, Costa Rica
*
†E-mail: miltonvillarreal@yahoo.com

Abstract

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