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Les conditions foncières de la viabilité de la riziculture irriguée

Policy Papers & Briefs
July, 2015
Western Africa
Burkina Faso
Mali
Senegal

L’analyse des aménagements hydro-agricoles en Afrique de l’Ouest permet de tirer des leçons concernant l’affectation foncière, qui peuvent servir pour orienter les aménagements en cours, ou ceux qui sont prévus dans les années à venir. Sans affectation foncière adéquate, les objectifs principaux des barrages – la lutte contre la pauvreté et l’amélioration de la production nationale de céréales – pourront difficilement être atteints.

Optimizing Resource Use and Economics of Crop-Livestock Integration Among Small Farmers in Semiarid Regions of South Africa

Journal Articles & Books
December, 2013
South Africa
Southern Africa
Africa

The adoption of crop-livestock integration (CLI) among smallholder farmers in the developing countries is no doubt one of the solutions to food security, risk management, and poverty alleviation in sub-Saharan Africa. However, adequate assessment on the current status of CLI becomes necessary for the development and its evolution among smallholder farmers. This article presents a basic and multi-objective linear programming (LP) model to determine enterprise combinations of crop and livestock activities that maximize total gross margin (TGM) among small farms in the Eastern Cape Province.

Farmland Marginalization and Policy Implications in Mountainous Areas: A Case Study of Renhuai City, Guizhou

Journal Articles & Books
December, 2016
China

Farmland resources in mountainous areas are important for regional food security and ecological security. Studies concerning changes in farmland use in mountainous areas are of considerable significance in China. Here, we analyzed marginalization characteristics of farmland in Renhuai city from 2005 to 2011 and driving factors using land information systems, surveys of farmer households and statistical data. Our results indicate that from 2005 to 2011, 3095.76 hm² of farmland was converted to forest land and natural reserve, accounting for 5.45% of the total farmland area.

Analysis of enset (Ensete ventricosum) indigenous production methods and farm-based biodiversity in major enset-growing regions of Southern Ethiopia

Journal Articles & Books
December, 2002
Ethiopia

Enset (Ensete ventricosum) production is declining, and it faces genetic erosion due to drought, diseases and population pressure. Participatory Rural Appraisal (PRA) and additional formal survey studies on 315 households were conducted over three consecutive years (1998–2000) in the Sidama, Wolaita and Hadiya ethnic regions of southern Ethiopia to assess traditional cultivation methods, analyse the production systems, and evaluate farm-based enset biodiversity. The regions differ in terms of cultural background, resources, farming systems, population density, and agro-ecology.

Potential of feed-food double-cropping in central highlands of Ethiopia

Journal Articles & Books
December, 2014
Ethiopia

The potential of feed-food double-cropping was evaluated at Ginchi, Ethiopia, for two years with the objective of evaluating herbage yields of fodder crops and the subsequent effects on grain yields of chickpea and grass pea. Early maturing oat (79Ab382 (TX) (80SA95); 79CP84 (Coker SR. res) 80SA130; SRCP X 80Ab2806; C7512/SRCP X 80Ab 2252 and CO X SRCP X 80Ab2291) and common vetch (Acc. No. 2490; Acc. No. 2742) were selected and planted on lands reserved for chickpea/grass pea at the start of the main rainy season.

Land-use/land-cover (LULC) change and socioeconomic conditions of local community in the central highlands of Ethiopia

Journal Articles & Books
December, 2014
Ethiopia

This paper presents a case study of land-use/land-cover (LULC) changes from 1975 to 2014 in the central highlands of Ethiopia and traces out its impact on socioeconomic conditions of the local community in the study area. We used four time series Landsat satellite images, that is, Landsat MSS (1975), Landsat Thematic Mapper (1986), Enhanced Thematic Mapper (2000), and Landsat 8 OLI scenes (2014), to investigate the changes in LULC.

Using Changes in Agricultural Utility to Quantify Future Climate‐Induced Risk to Conservation

Journal Articles & Books
December, 2014

Much of the biodiversity‐related climate change impacts research has focused on the direct effects to species and ecosystems. Far less attention has been paid to the potential ecological consequences of human efforts to address the effects of climate change, which may equal or exceed the direct effects of climate change on biodiversity. One of the most significant human responses is likely to be mediated through changes in the agricultural utility of land.

How does unequal access to groundwater contribute to marginalization of small farmers? The case of public lands in Algeria

Journal Articles & Books
December, 2012
Algeria

The use of groundwater in irrigated agriculture is often regarded as an effective way of increasing farm productivity. However, the effects of differential access to groundwater by farmers have rarely been studied at the microeconomic scale, particularly the possibly negative effects of marginalization of small farmers. During the hydraulic crisis that has affected Algerian irrigation schemes since the 1980s, groundwater has become a major source of irrigation for farmers. A process of farm differentiation occurred linked to farmers' access to groundwater, causing social inequity.

Fruit germplasm resources and demands for small scale farmers post-tsunami and conflicts in Nanggroe Aceh Darussalam province, Indonesia

Journal Articles & Books
December, 2013
Indonesia

Civil conflicts and the December 2004 tsunami have impeded the development of local fruit germplasm despite the inherent high quality and potential of Aceh’s fruit germplasm. Most of Aceh communities are composed of small scale farmers with land ownership averaging from 0.25 to 4 ha per capita; they plant various trees species (fruits, rubber, cocoa, etc.) in a mixed-tree based system (agroforestry) with extensive management. In Aceh' village markets most fruit is produced by local farmers.

participatory soil quality assessment in Northern Ethiopia's Mai-Negus catchment

Journal Articles & Books
December, 2011
Ethiopia

Local communities often have substantial knowledge related to trends in soil quality and the associated limiting factors. Despite this, soil quality (SQ) degradation is a critical problem in Ethiopia and there is little or insufficient scientific information documenting local community experience in assessing SQ. This paper presents experiences of local communities in diagnosis of SQ and assesses the contribution of local knowledge as a strategy for sustainable development decision making within the Mai-Negus catchment of northern Ethiopia.

Understanding the Characteristics of Non-industrial Private Forest Landowners Who Harvest Trees

Journal Articles & Books
December, 2015

Achieving regional and national goals of renewable energy production will depend on sufficient supply of biomass from private forests, the majority of which are controlled by non-industrial private forest landowners (NIPF). Considering the diversity in management objectives and changing demographic dynamics in this ownership group, it is important to understand the characteristics of landowners that may supply woody biomass. This study developed linear discriminant analysis (LDA) and classification tree (CT) models to examine the characteristics and motivation of such NIPF landowners.