Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala

We present an assessment of the extent, diversity, and nutritional contribution of the milpa through a quantitative analysis of data from a survey conducted in 989 small scale farm households in the Western Highlands of Guatemala (WHG). The milpa is a traditional agricultural system in which maize i...

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Autores: Lopez-Ridaura, S.; Barba-Escoto, L.; Reyna, C.; Sum-Rojas, C.; Palacios-Rojas, N.; Gerard, B.
Tipo de documento: Artículo
Estado:Published version
Fecha de publicación:2021
País:México
Institución:CIMMYT
Repositorio:Repositorio Institucional de Publicaciones Multimedia del CIMMYT
OAI Identifier:oai:repository.cimmyt.org:10883/21285
Acceso en línea:https://hdl.handle.net/10883/21285
Nivel de acceso:Acceso abierto
Palabra clave:AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
INTERCROPPING
MAIZE
NUTRITION
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author Lopez-Ridaura, S.
author2 Barba-Escoto, L.
Reyna, C.
Sum-Rojas, C.
Palacios-Rojas, N.
Gerard, B.
author2_role author
author
author
author
author
author_browse Barba-Escoto, L.
Gerard, B.
Lopez-Ridaura, S.
Palacios-Rojas, N.
Reyna, C.
Sum-Rojas, C.
author_facet Lopez-Ridaura, S.
Barba-Escoto, L.
Reyna, C.
Sum-Rojas, C.
Palacios-Rojas, N.
Gerard, B.
author_role author
collection Repositorio Institucional de Publicaciones Multimedia del CIMMYT
description We present an assessment of the extent, diversity, and nutritional contribution of the milpa through a quantitative analysis of data from a survey conducted in 989 small scale farm households in the Western Highlands of Guatemala (WHG). The milpa is a traditional agricultural system in which maize is intercropped with other species, such as common beans, faba beans, squashes or potatoes. Our study shows that more than two-thirds of the 1,205 plots recorded were under the milpa system, with a great diversity of crop combinations. As shown with the 357 plots for which specific yields were available, milpa systems present higher total productivity than monocropped maize, expressed as total energy yield of the harvested crops in the respective system, and were also better at providing the recommended daily allowances of fourteen essential nutrients, based on a Potential Nutrient Adequacy (PNA) indicator. Maize-bean-potato, maize-potato, and maize-bean-faba intercrops had the highest PNAs, and monocropped maize, the lowest. These results support the implementation of milpa systems tailored to different agro-ecologies in order to improve nutrition in the WHG and a variety of similar regions.
eu_rights_str_mv openAccess
format article
id MX_8df4f054907dfe6df72acdde563f2002
identifier_str_mv 10.1038/s41598-021-82784-2
institution CIMMYT
instname_str Centro Internacional de Mejoramiento de Maíz y Trigo
network_acronym_str MX
network_name_str México
oai_identifier_str oai:repository.cimmyt.org:10883/21285
publishDate 2021
publishDateSort 2021
publisher Nature Publishing Group
publisherStr Nature Publishing Group
reponame_str Repositorio Institucional de Publicaciones Multimedia del CIMMYT
spelling Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala Lopez-Ridaura, S. Barba-Escoto, L. Reyna, C. Sum-Rojas, C. Palacios-Rojas, N. Gerard, B. AGRICULTURAL SCIENCES AND BIOTECHNOLOGY INTERCROPPING MAIZE NUTRITION We present an assessment of the extent, diversity, and nutritional contribution of the milpa through a quantitative analysis of data from a survey conducted in 989 small scale farm households in the Western Highlands of Guatemala (WHG). The milpa is a traditional agricultural system in which maize is intercropped with other species, such as common beans, faba beans, squashes or potatoes. Our study shows that more than two-thirds of the 1,205 plots recorded were under the milpa system, with a great diversity of crop combinations. As shown with the 357 plots for which specific yields were available, milpa systems present higher total productivity than monocropped maize, expressed as total energy yield of the harvested crops in the respective system, and were also better at providing the recommended daily allowances of fourteen essential nutrients, based on a Potential Nutrient Adequacy (PNA) indicator. Maize-bean-potato, maize-potato, and maize-bean-faba intercrops had the highest PNAs, and monocropped maize, the lowest. These results support the implementation of milpa systems tailored to different agro-ecologies in order to improve nutrition in the WHG and a variety of similar regions. Nature Publishing Group https://hdl.handle.net/10883/21285 10.1038/s41598-021-82784-2
spellingShingle Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
Lopez-Ridaura, S.
AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
INTERCROPPING
MAIZE
NUTRITION
status_str publishedVersion
title Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
title_full Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
title_fullStr Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
title_full_unstemmed Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
title_short Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
title_sort Maize intercropping in the milpa system. Diversity, extent and importance for nutritional security in the Western Highlands of Guatemala
topic AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
INTERCROPPING
MAIZE
NUTRITION
topic_facet AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
INTERCROPPING
MAIZE
NUTRITION
url https://hdl.handle.net/10883/21285