Maize-bean intercrop systems in Nicaragua : effect of plant arrangements and population densities on the land equivalent ratio (LER), relative yield total (RYT) and weed abundande a minor field study
Autor principal: | Salomon, Eva |
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Formato: | Libro |
Lenguaje: | Spanish |
Publicado: |
Uppsala (Sweden) :
,
1990
|
Materias: |
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