منابع مشابه
Can organic agriculture feed the world?
Renewable Agriculture and Food Systems is a multidisciplinary journal which focuses on the science that underpins economically environmentally and socially sustainable approaches to agriculture and food production. The journal publishes original research and review articles on the economic, ecological and environmental impacts of agriculture; the effective use of renewable resources and biodive...
متن کاملA World Map of Organic Agriculture
This paper presents a world map of organic agriculture. A Gall-Peters projection map of the world is taken as the reference map (where map areas are proportional to territorial areas). Applying the area of organic agriculture to countries, the World Map of Organic Agriculture presents countries as proportional in size to their share of the total of world organic hectares (such a map can be refe...
متن کاملOrganic agriculture cannot replace conventional agriculture
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...
متن کاملTrichoderma in Organic Agriculture
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...
متن کاملOrganic Urban Agriculture
Urban agriculture (UA) has a long tradition in many countries worldwide, is actively engaging about 800 million people, and is now increasingly considered by urban planning and land-use personnel. Urban cropland, in particular, covers more than 67 Mha or more than 5% of the total global cropland area. Urban agriculture practices have many benefits and, in particular, may contribute to food secu...
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ژورنال
عنوان ژورنال: Renewable Agriculture and Food Systems
سال: 2007
ISSN: 1742-1705,1742-1713
DOI: 10.1017/s1742170507001986