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Autor: Davis, J.H.C.

Three trials were carried out at CIAT-Palmira to quantify the effect of plot edges and useful plot size in beans. In the 1st trial (sown in Oct. 1977), the competition effect of 36 climbing bean var. associated with maize ICA H-210 in adjacent plots and the effect of the alleys on plot edges were...


Davis, J.H.C.[Metodologia de la investigacion aplicada a la asociacion frijol- maiz]Metodologia de la investigacion aplicada a la asociacion frijol- maiz
Autor: Davis, J.H.C.

The results are presented of 3 expt conducted at CIAT to improve var. destined for use in multiple-cropping systems; (1) evaluation of bean var. (bush and climbing) in 2 cropping systems, monoculture and in association with maize; (2) evaluation of 20 maize genotypes in monoculture and in associa...


Davis, J.H.C.[Interacciones de genotipos por sistema de cultivo en frijol y maiz]Interacciones de genotipos por sistema de cultivo en frijol y maiz

Davis, J.H.C.Pérez Padrón, A.V.Hopmans, S[Early generation yield testing in beans in monoculture and intercropped with maize]Early generation yield testing in beans in monoculture and intercropped with maize
Autor: Davis, J.H.C.

Maize and climbing beans are traditionally planted in association in the sierra regions of L.A. with alt. higher than 1500 m. The system has shown a series of advantages: low incidence of certain pests and diseases, less root lodging in maize, and less risk for the farmers. The types of climbing ...


Davis, J.H.C.[Mejoramiento de frijoles volubles para sistemas de siembra de asociacion con maiz]Mejoramiento de frijoles volubles para sistemas de siembra de asociacion con maiz
Davis, J.H.C.Smithson, James BradyArregocés, OscarMedina, LM[Cahier d'étude destiné à être utilisé comme complément de l'unite audiotutorielle traitant du même sujet][Principes de la culture du haricot en association avec d'autres espèces]Principes de la culture du haricot en association avec d'autres espèces
Davis, J.H.C.Smithson, James BradyArregocés, Oscar[Study guide to be used as a supplement to the audiotutorial unit on the same topic][Principles of intercropping with beans]Principles of intercropping with beans

Mukishi, PDavis, J.H.C.Scheidegger, Urs C.[Seminaire Regional sur l`Amelioration du Haricot dans la Region des Grands Lacs (4, 1989, Bujumbura, Burundi). Actes]Seminaire Regional sur l`Amelioration du Haricot dans la Region des Grands Lacs (4, 1989, Bujumbura, Burundi). Actes

The importance of traditional intercropping in the tropics is analyzed, mentioning statistics that emphasize the worldwide importance of this cropping system. Terms that describe multiple cropping systems are defined: sequential cropping (double, triple, and quadruple cropping, and ratooning), as...


García, S.Davis, J.H.C.[Principios basicos de la asociacion de cultivos]Principios basicos de la asociacion de cultivos

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