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Reciclaje y eficiencia en el uso de nutrientes en sistemas agroforestales

Authors: Montagnini, Florencia; Jordan, Carl F.; Matta Machado, Rodrigo;

Reciclaje y eficiencia en el uso de nutrientes en sistemas agroforestales

Abstract

En regiones tropicales húmedas, los nutrientes del suelo son factores claves que influyen sobre la productividad de las plantas y la sustentabilidad a largo plazo de un sistema de producción. Un aspecto clave en el incremento de la sustentabilidad de sistemas agrícolas es la incorporación de especies que poseen adaptaciones dirigidas a una mejor captura y conservación de nutrientes, mientras que al mismo tiempo producen una cosecha de valor económico o de subsistencia. Se presentan ejemplos de sistemas tradicionales con estas características, y se sugieren sistemas agroforestales con selección de especies y diseños que promuevan la conservación de nutrientes Se presenta la eficiencia en el uso de nutrientes como un concepto integrador que puede contribuir a la elección de especies y su diseño espacial o temporal en sistemas agroforestales. Se agregan consideraciones de tipo socioeconómico que deben tomarse en cuenta al promover sistemas agroforestales sostenibles, especialmente para pequeños agricultores.

In tropical humid regions, soil nutrients are key factors affecting plant productivity and the sustainability of production systems. A key element in promoting the sustainability of agricultural systems is the use of species that have good nutrient conserving mechanisms, and that at the same time yield economic or subsistence products. Examples of such systems are presented, and agroforestry systems are suggested where species selection and system design promote nutrient conservation. The nutrient use efficiency of species is advanced as an integrative concept that can be useful in species choice and design of agroforestry systems. Additional considerations are presented on the socioeconomic factors that must be taken into account in the promotion of sustainable agroforestry systems, especially for small farmers.

Fil: Matta Machado, Rodrigo. Universidade Federal de Minas Gerais. Instituto de Ciencias Biológicas; Brasil.

Fil: Montagnini, Florencia. Centro Agronómico Tropical de Investigación y Enseñanza; Costa Rica.

Fil: Jordan, Carl, F. University of Georgia. Department of Ecology; Estados Unidos.

Keywords

Productividad, Sistemas tradicionales, Sustainability, Traditional systems, Feasibility, Conservación de nutrientes, Factibilidad, Sostenibilidad, Nutrient conservation, Productivity

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green