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Showing items 1 through 9 of 8331.-
Library ResourceConference Papers & ReportsDecember, 2008
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Library ResourceJournal Articles & BooksDecember, 2007
The combination of rice and fish production into one system is considered to be an efficient means of agricultural land use for small-scale farmers. In some of these so-called rice-fish systems rice and fish are grown in the same field, at the same time; in other systems they are grown in the same field, but in rotation. Rice-fish farmers pay most attention to the maximization of the rice yield. This is a logical choice because the rice field is not the most ideal environment for fish production as the rice crop shades the field floodwater, thus hampering aquatic primary production.
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Library ResourceJournal Articles & BooksDecember, 1997
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Library ResourceConference Papers & ReportsDecember, 2011
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Library ResourcePolicy Papers & BriefsJune, 2007Spain, Americas, South America
Nineteen microsatellite markers were used to fingerprint a set of 19 potato landraces from the island of La Palma (Canary Islands). These landraces represent relicts of early introductions from South America, although most are commonly cultivated by local farmers. The SSR primers detected 62 polymorphisms, 13 of which were present in all landraces. Several accession- and group-specific markers were detected. Jaccard similarity coefficients were estimated from the molecular data and UPGMA cluster analysis was performed. Some cultivars with related common names clustered together.
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Library ResourcePolicy Papers & BriefsApril, 2011
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Library ResourceJournal Articles & BooksApril, 2010
The South African Risk and Vulnerability Atlas was conceived and designed with the intent of providing up to date information for key sectors to support strategy development in the areas of risk and vulnerability. This volume presents a selection of such information, translated to communicate key existing and emerging trends.
Copyright: 2010 Department of Science and Technology. -
Library ResourcePolicy Papers & BriefsDecember, 2007
This paper analyses the impact of the Common Agricultural Policy (CAP) and macroeconomy on land use changes in the EU. Three scenarios are simulated up to 2030: baseline, macro scenario and policy scenario. Simulation results indicate that GDP leads to a stronger effect on land use changes than the CAP. Stronger changes in land use are observed at the crop disaggregated level than at the aggregated level for the total agricultural area, arable land, grassland and permanent crops.
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Library ResourcePolicy Papers & BriefsSeptember, 2007France, Belgium, Spain, Germany, Denmark, Italy, Austria, Netherlands, Czech Republic
The effects of subsidies on the development of organic farming (OF) in the Czech Republic and in some selected EU countries are analysed in this article. The level of subsidies for OF in the Czech Republic is continuously increasing. In 1998, the total amount of subsidies was 48 million CZK, whereas in 2004, it increased to nearly 277 million CZK. The increase of subsidies led to an increase in the number of organic farms as well as the area under OF.
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Library ResourceJournal Articles & BooksDecember, 2016
Context: Various species of forest trees are commonly used for ornamental purposes and are therefore frequently found in nonforest ecosystems. They constitute an important component of the so-called trees outside forests (TOF).
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