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The economic impacts of the Green Revolution have been studied widely, but not its social-cultural effects on different farming communities. The adoption of high yielding varieties (HYVs) of rice changed the nature of rice farming in the two West Bengal villages of Padulara and Naigachi. The villages present an interesting contrast of socio-economic and cultural change due to the differences in the level of adoption of agricultural technologies. This study documents the social and cultural impacts of agricultural technology adoption, specifically (...) |
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The coexistence of genetically modified (GM) crops and non-GM crops is a myth because the movement of transgenes beyond their intended destinations is a certainty, and this leads to genetic contamination of organic farms and other systems. It is unlikely that transgenes can be retracted once they have escaped, thus the damage to the purity of non-GM seeds is permanent. The dominant GM crops have the potential to reduce biodiversity further by increasing agricultural intensification. There are also potential risks to (...) |
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“Golden Rice” has played a key role in arguments over genetically modified crops for many years. It is routinely depicted as a generic GM vitamin tablet in a generic plant bound for the global South. But the release of Golden Rice is on the horizon only in the Philippines, a country with a storied history and complicated present, and contested future for rice production and consumption. The present paper corrects this blinkered view of Golden Rice through an analysis of three (...) |
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A questionnaire survey of 408 households explored the role of socio-economic and cultural factors in rice (Oryza sativa L.) varietal diversity management on-farm in two contrasting eco-sites in Nepal. Multiple regression outputs suggest that number of parcels of land, livestock number, number of rice ecosystems, agro-ecology (altitude), and use of chemical fertilizer have a significant positive influence on landrace diversity on-farm, while membership in farmers’ groups linked to extension services has significant but negative influence on landrace diversity. Factors with significant (...) |
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Rice crop diversity hasdecreased dramatically in the recent past.Understanding the causes that underlie theevident genetic erosion is critical for thefood security of subsistence rice farmers andbiodiversity. Our study shows that farmers inthe northeastern Philippines had a markedreduction in rice diversity from 1996 to 1998.The ultimate causes were a drought resultingfrom the El Niño phenomenon in 1997 andflooding due to two successive typhoons in1998. The proximate causes, however, includedlocal water control factors, limitations in thehousehold and village-level seedinfrastructure, farm location in relation (...) |
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This article presents a holistic framework for understanding the scienceof plant breeding, as an alternative to the common objectivist andconstructivist approaches in studies of science. It applies thisapproach to understanding disagreements about how to deal with yieldstability. Two contrasting definitions of yield stability are described,and concomitant differences in the understanding and roles ofsustainability and of selection, test, and target environments areexplored. Critical questions about plant breeding theory and practiceare posed, and answers from the viewpoint of the two contrastingdefinitions of yield (...) |
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The introduction of transgenic crops into centers of diversity or areas dominated by traditional agriculture threatens genetic diversity as well as indigenous knowledge and culture. It is further argued that the impacts go beyond genetic changes in heterogeneous native crop varieties to embrace effects on evolutionary processes such as gene flow between native crops and wild relatives, and erosion of local knowledge systems such as folk taxonomies and selection of varieties that thrive in marginal environments in which resourcepoor farmers live. |
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