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	Provedor de dados AgEcon (2) Autor Erenstein, Olaf (2) Laxmi, Vijay (2) Gupta, Raj K. (1) Palavra-chave Crop Production/Industries (2) Zero tillage (2) Agricultural development (1) E16 (1) Economic surplus (1) Environmental factors (1) F08 (1) Farming systems (1) Impact assessment (1) India (1) Natural resource management research (1) Production costs (1) Q11 (1) Q12 (1) Q16 (1) Resource /Energy Economics and Policy (1) Rice (1) Rotational cropping (1) Water use (1) Wheat (1) Mais... Tipo do documento Conference Paper or Presentation (1) Report (1) Ano 2007 (1) 2006 (1) País United States (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Impact of Zero Tillage in India's Rice-Wheat Systems AgEcon Laxmi, Vijay; Erenstein, Olaf; Gupta, Raj K.. To date, the most widely adopted resource conserving technology (RCT) in the Indo-Gangetic Plains (IGP)has been zero-tillage (ZT) for wheat after rice, particularly in India. This report reviews and synthesizes the experience with zero tillage in the Indian IGP. Zero tillage of wheat after rice generates significant benefits at the farm level, both in terms of significant yield gains (6–10%, particularly due to timelier planting of wheat) and cost savings (5–10%, particularly tillage savings). These benefits explain the widespread interest of farmers and the rapidity of the diffusion across the Indian IGP, further aided by the wide applicability of this mechanical innovation. The study subsequently reports on the findings of village-level focus-group... Tipo: Report Palavras-chave: Wheat; Rice; Agricultural development; Zero tillage; Farming systems; Rotational cropping; Water use; Environmental factors; Production costs; India; Crop Production/Industries; E16; F08. Ano: 2007 URL: http://purl.umn.edu/56093 Assessing the Impact of International Natural Resource Management Research: The Case of Zero Tillage in India's Rice-Wheat Systems AgEcon Laxmi, Vijay; Erenstein, Olaf. A conservative ex-ante assessment of supply-shift gains alone (excluding social and environmental gains), shows that the investment in zero tillage (ZT) R&D by the Rice-Wheat Consortium and CIMMYT was highly beneficial with a benefit-cost ratio of 39, a net present value of US$ 94 million and an internal rate of return 57%. Sensitivity analysis highlights the influential role of the yield gain, the contribution of reduced tillage (i.e. partial adoption) and the assumed time-lag. Significant positive spillovers of sunk ZT R&D costs – both previous and from elsewhere - also contributed to the high returns. The case thereby highlights the potential gains from successful technology transfer and adaptation. The case however also underscores that... Tipo: Conference Paper or Presentation Palavras-chave: Natural resource management research; Impact assessment; Economic surplus; Zero tillage; Q11; Q12; Q16; Crop Production/Industries; Resource /Energy Economics and Policy. Ano: 2006 URL: http://purl.umn.edu/25694 Registros recuperados: 2 Primeira ... 1 ... Última

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