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Tipo: Working or Discussion Paper
Palavras-chave: Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2001
URL: http://purl.umn.edu/26224
Adoption and impacts of zero tillage as a resource conserving technology in the irrigated plains of
South Asia
Provedor de dados: 31
Autores: Erenstein,
Olaf; Farooq,
Umar; Malik,
R.K.; Sharif,
Muhammad.
The recent stagnation of productivity growth in the irrigated areas of the Indo-Gangetic Plains of South Asia has led to a quest for
resource-conserving technologies that can save water, reduce production costs and improve production. The present synthesis of
two detailed country studies confirmed widespread adoption of zero tillage (ZT) wheat in the rice-wheat systems of India’s
Haryana State (34.5% of surveyed households) and Pakistan’s Punjab province (19%). The combination of a significant “yield
effect” and “cost-saving effect” makes adoption worthwhile and is the main driver behind the rapid spread and widespread
acceptance of ZT in Haryana, India. In Punjab, Pakistan, adoption is driven by the significant ZT-induced cost savings for wheat...
Tipo: Report
Palavras-chave: Zero tillage; Rice; Wheat; Water conservation; India; Pakistan; Haryana; Punjab; Agribusiness; Crop
Production/Industries; Environmental Economics and Policy; Farm Management; Food Consumption/Nutrition/Food Safety; Food
Security and Poverty; Land Economics/Use; Production Economics; Productivity Analysis; Resource /Energy Economics and
Policy; Risk and Uncertainty.
Ano: 2007
URL: http://purl.umn.edu/91816
Selective vs. Broad-Spectrum Pesticides: When Do Private Decisions Differ from Socially Optimal
Decisions?
Provedor de dados: 31
Autores: Grogan,
Kelly A.; Goodhue,
Rachael E.
This paper examines the spatial externalities of conventional and organic pest control methods to determine if, and how, the two
types affect each other. These interactions make the problem more complicated than the usual analysis of a single externality. The
numerical simulation model includes one organically managed and one conventionally managed field. One pest and one predator
of the pest move between the two fields over five seasons. In each season, the conventional grower has the option of applying a
broad-spectrum pesticide that kills the predator a selective pesticide that has no adverse effects on the predator but is either more
expensive or less effective than the broad-spectrum pesticide. The organic grower can apply an organic pesticide,...
Tipo: Conference Paper or Presentation
Palavras-chave: Spatial-dynamic games; Spatial externalities; Non-cooperative games; Organic agriculture; Biological control;
Agricultural policy; Agricultural and Food Policy; Crop Production/Industries; Resource /Energy Economics and Policy; C61;
C72; Q18; Q52; Q57.
Ano: 2011
URL: http://purl.umn.edu/103760
Switching to Perennial Energy Crops under Uncertainty and Costly Reversibility
Provedor de dados: 31
Autores: Song,
Feng; Zhao,
Jinhua; Swinton,
Scott M.
We study a farmer’s decision to convert traditional crop land into growing dedicated energy crops, taking in account sunk
conversion costs, uncertainties in traditional and energy crop returns, and learning. The optimal decision rules differ significantly