The yield gap has arisen again as a focus for agricultural research to ensure food security and economic growth for farmers around the world. To examine this renewed interest, we carried out a review of key literature in the field of yield gap analysis to identify important gaps in research and analysis. In so doing, both the complexities in yield gap studies emerged along with some significant omissions. Much of the literature and research on the yield gap has been framed by larger concerns and initiatives to raise agricultural productivity.
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Library ResourceJournal Articles & BooksJuly, 2016
Library ResourceJournal Articles & BooksDecember, 2015
In recent decades, markets have become widely used for environmental resources. Prime examples include water rights where trade enables water to be allocated to the most profitable crops, and allows farmers more flexibility to cope with climatic variability (Bjornlund 2003). Similarly, tradable rights for air pollution minimize the cost of meeting air quality targets (Stavins 1998). The same principles can potentially be widely applied to biodiversity conservation. In this issue, we are fortunate to have a short but diverse series of papers on tradable rights in conservation.
Library ResourceJournal Articles & BooksDecember, 2014
In developing countries, the landscape surrounding agricultural land is important for maintaining biodiversity and providing ecosystem services. Forests provide a full suite of goods and services to subsistence farmers in the Himalayan agro-ecological system. The effects of biomass outtake on woody species richness and composition were analysed in forests under communal and government management. Interviews on forest use and perception of forest condition and ecosystem service delivery were conducted in farmer households bordering the forests.
Library ResourceJournal Articles & BooksDecember, 2016
Financial incentives have become a core component of private lands conservation programmes because of their ability to motivate stewardship behaviour. Concern exists about the durability of stewardship behaviours after payments end. Payments for performance may impact farmers' current and future engagement with an incentive programme to protect an at-risk ground-nesting grassland bird. Farmer motivations for participating in the programme, as well as their intention to continue the programme if the financial incentive no longer existed, were quantified.
Library ResourceJournal Articles & BooksDecember, 2013
Herbivores are a significant source of nitrous oxide (N₂O) emissions. They account for a large share of manure-related N₂O emissions, as well as soil-related N₂O emissions through the use of grazing land, and land for feed and forage production. It is widely acknowledged that mitigation measures are necessary to avoid an increase in N₂O emissions while meeting the growing global food demand. The production and emissions of N₂O are closely linked to the efficiency of nitrogen (N) transfer between the major components of a livestock system, that is, animal, manure, soil and crop.
Library ResourceJournal Articles & BooksDecember, 2012France
Changes affecting livestock farming systems have made farm work a central concern for both the sector and for farmers themselves. Increased pressure on farms to be competitive and productive together with farmers’ demand for greater autonomy, holidays or time to spend on private activities and the family converge to underline the two key dimensions of work – productivity and flexibility – required for the assessment of work organization.
Library ResourceJournal Articles & BooksDecember, 2012Colombia, Central America, South America
Payment for ecosystem services (PES) has been widely promoted as an effective and efficient model for conservation; however, few studies have empirically examined how the market-based approach interacts with farmer's decision-making processes and their abilities to sustain new conservation practices. This paper examines the sustainability of a PES silvopastoral programme in Colombia from peasant farmersâ perspectives.
Library ResourceJournal Articles & BooksDecember, 2002Ethiopia
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.
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