Organic agriculture versus genetic engineering
نویسندگان
چکیده
منابع مشابه
Genetic Engineering in Agriculture:
Genetically modified crops and foodstuff have been highly controversial for environmental, health, and ethical reasons. The controversies have been world-wide, but most prominent in the European Union, for reasons that include distrust of the regulatory authorities, scientists and technocratic decision making. An informal moratorium in the EU came recently to an end, without solving the underly...
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Abiotic stress conditions such as drought, heat, or salinity cause extensive losses to agricultural production worldwide. Progress in generating transgenic crops with enhanced tolerance to abiotic stresses has nevertheless been slow. The complex field environment with its heterogenic conditions, abiotic stress combinations, and global climatic changes are but a few of the challenges facing mode...
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In this paper, we consider the effect of increasing the area of agricultural land under organic practises. We assumed that organic agriculture does not have effective means of pathogen control. We model pathogen dispersal with a diffusive logistic equation in which the growth/death rate is spatially heterogeneous. We find that if the ratio of the organic plots to conventional plots is below a c...
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The main objective of this study was to compare the performance of two liquid organic fertilizers, an animal and a plant-based fertilizer, with mineral fertilization on citrus trees. The source of the fertilizer (mineral or organic) had significant effect in the nutritional status of the organic and conventionally managed mandarins. Nutrient uptake, vegetative growth, carbohydrate synthesis and...
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Biocontrol, or Biological Control, can be defined as the use of natural organisms, or genetically modified, genes or gene products, to reduce the effects of undesirable organisms to favour organisms useful to human, such as crops, trees, animals and beneficial microorganisms. This strategy of control is ecologicaly clean and compatible with different models of agriculture: organic, biological a...
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ژورنال
عنوان ژورنال: NJAS: Wageningen Journal of Life Sciences
سال: 2007
ISSN: 1573-5214,2212-1307
DOI: 10.1016/s1573-5214(07)80011-x