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Sustainable Development of Tropical Agriculture

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Agriculture".

Deadline for manuscript submissions: closed (31 May 2019) | Viewed by 15244

Special Issue Editor


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Guest Editor
Former Professor of Agroecology and Sustainable Development, James Cook University, Cairns, Australia and Director of Research, World Agroforestry Centre, Nairobi, Kenya
Interests: agroforestry; agroecology; domestication of tropical trees; multifunctional agriculture; tree biology; clonal selection; vegetative propagation
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Special Issue Information

Dear Colleagues,

Conventional approaches to modern agriculture have failed to deliver enough nutritious food for the populations of many tropical and sub-tropical countries, especially in Africa. Furthermore, in these countries tropical agriculture has failed to be the “engine of economic growth” in the way it has in Industrialized countries. Consequently, we have a divided and dysfunctional world of the very rich and the ultra-poor.

A socially-, economically-, and environmentally-sustainable approach to the achievement of food and nutritional security in the tropics and sub-tropics has eluded everyone for over 100 years, despite numerous global reports calling for new initiatives. Nevertheless, in recent years progress has been made, with the recognition that complex problems require holistic and multidisciplinary solutions that simultaneously embrace many of the Sustainable Development Goals.

In recognition of these advances, this Special Issue on the “Sustainable Development of Tropical Agriculture” seeks papers providing:

  • better understanding of the problem, especially the interactions between soil infertility, land degradation, the loss of biodiversity, the livelihoods of smallholder farmers, and climate change;
  • practical solutions to address the key issues constraining land productivity, the well-being of farmers, and planetary processes;
  • integrated approaches to rural development that minimise the trade-offs generally accepted as the inevitable consequence of agricultural intensification;
  • ideas about how agriculture can become “an engine for economic growth” in the tropics and sub-tropics.

Prof. Roger Leakey
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • agroecological restoration
  • biodiversity conservation
  • climate change
  • economic growth
  • income generation
  • land rehabilitation
  • productivity
  • well-being and livelihood

Published Papers (3 papers)

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Research

18 pages, 1670 KiB  
Article
Sustainable Intensification with Cereal-Legume Intercropping in Eastern and Southern Africa
by Abednego Kiwia, David Kimani, Rebbie Harawa, Bashir Jama and Gudeta W. Sileshi
Sustainability 2019, 11(10), 2891; https://doi.org/10.3390/su11102891 - 21 May 2019
Cited by 38 | Viewed by 4086
Abstract
Much research has been conducted on cereal-legume intercropping as a sustainable intensification (SI) practice in Eastern and Southern Africa (ESA). However, the role of inorganic fertilizers in sustainably intensifying intercropping systems has not been systematically analyzed. Therefore, the objective of the present analysis [...] Read more.
Much research has been conducted on cereal-legume intercropping as a sustainable intensification (SI) practice in Eastern and Southern Africa (ESA). However, the role of inorganic fertilizers in sustainably intensifying intercropping systems has not been systematically analyzed. Therefore, the objective of the present analysis was to assess the role of inorganic fertilizer use in cereal-pigeonpea (Cajanus cajan) intercropping in terms of SI indicators, namely, yield, production risks, input use efficiency, and economic returns. The data used for this analysis were gathered from over 900 on-farm trials across Kenya, Tanzania, and Mozambique. All SI indicators assessed showed that intercropping combined with application of small amounts of inorganic fertilizers is superior to unfertilized intercrops. Fertilizer application in the intercropping system improved cereal yields by 71–282% and pigeon pea yields by 32–449%, increased benefit–cost ratios by 10–40%, and reduced variability in cereal yields by 40–56% and pigeonpea yields by 5–52% compared with unfertilized intercrops. Improved yields and reduced variability imply lowering farmers’ risk exposure and improved credit rating, which could enhance access to farm inputs. We conclude that the strategic application of small amounts of inorganic fertilizers is essential for the productivity and economic sustainability of cereal-pigeonpea intercropping under smallholder farming in ESA. Full article
(This article belongs to the Special Issue Sustainable Development of Tropical Agriculture)
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18 pages, 13826 KiB  
Article
The Marceño Agroecosystem: Traditional Maize Production and Wetland Management in Tabasco, Mexico
by Humberto Peraza-Villarreal, Alejandro Casas, Roberto Lindig-Cisneros and Alma Orozco-Segovia
Sustainability 2019, 11(7), 1978; https://doi.org/10.3390/su11071978 - 3 Apr 2019
Cited by 6 | Viewed by 4915
Abstract
The marceño agroecosystem is based on traditional agriculture in the flooded areas of the alluvial plains of Tabasco, Mexico. In the marceño system, the native maize, called “mején”, is cultivated during the dry season using residual soil moisture. At physiological maturity, [...] Read more.
The marceño agroecosystem is based on traditional agriculture in the flooded areas of the alluvial plains of Tabasco, Mexico. In the marceño system, the native maize, called “mején”, is cultivated during the dry season using residual soil moisture. At physiological maturity, mején is tolerant to flooding. To estimate the potential area where marceño may be implemented, we characterized and defined the areas where it is practiced, using geographic information systems (GIS), and determined the bioclimatic variables of the sites where 16 species of wild plants associated with the management of the marceño grow. We also analysed areas of agriculture and livestock in relation to the cyclical floods. This information was used to generate a probability model of marceño occurrence through MaxEnt, which was superimposed on an elevation model (LiDAR) geoprocessed with GIS. The marceño was observed in 203 localities across eight municipalities of Tabasco (~2% of the state area), at elevations of 1–7 m. The calculated area with potential for implementation of the marceño is about 18.4% of the state area. The implementation of this agroecosystem on a wider area might be an alternative for local agriculture development and a strategy for ecological conservation and restoration of wetlands. Full article
(This article belongs to the Special Issue Sustainable Development of Tropical Agriculture)
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19 pages, 642 KiB  
Article
How to Effectively Enhance Sustainable Livelihoods in Smallholder Systems: A Comparative Study from Western Kenya
by Lisa Elena Fuchs, Levi Orero, Nictor Namoi and Henry Neufeldt
Sustainability 2019, 11(6), 1564; https://doi.org/10.3390/su11061564 - 14 Mar 2019
Cited by 10 | Viewed by 4226
Abstract
Increasing communities’ adaptive capacity is crucial to enhancing the sustainability of livelihoods and landscapes in smallholder systems. This study evaluates the contributions of an asset-based community-driven local development project, which has an objective to enhance farmer livelihoods through context-specific agricultural and agroforestry training, [...] Read more.
Increasing communities’ adaptive capacity is crucial to enhancing the sustainability of livelihoods and landscapes in smallholder systems. This study evaluates the contributions of an asset-based community-driven local development project, which has an objective to enhance farmer livelihoods through context-specific agricultural and agroforestry training, in line with farmers’ identities, interests, and preferences. The project was implemented in two areas of the wider Nyando river basin: the Lower and Middle Nyando sites. The project effects on farmer livelihoods were evaluated by analyzing overall income enhancement through the adoption of climate-smart agricultural practices via the computation of total values of harvest. Socioeconomic data from 183 households, half of which were involved in the project, were considered. The findings showed that locality played an important role in the adoption and success of good agricultural practices. Additional significant positive factors included project participation, size of land operated, horticulture farming, livestock ownership, ownership of a title deed, hours worked, and crop species richness. The number of years farmed had a significant negative correlation with the value of harvest. Considering the stark differences in livelihood effects in both sites, researchers conclude that external support for climate-smart agriculture uptake needs to be considerate of, and respond to, biophysical and socioeconomic context. Full article
(This article belongs to the Special Issue Sustainable Development of Tropical Agriculture)
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