نتایج جستجو برای: to formulate sustainable agricultural systems
تعداد نتایج: 10927376 فیلتر نتایج به سال:
abstract in recent decades, more consumption of agricultural inputs led to growth in agricultural products in the world. however, problems occurred due to the lack of attention to environmental issues and risks of excessive consumption of chemicals on human health become a concern for people and policy makers. to solve the problem, sustainable agriculture has been considering by authorities. th...
The key objective of agricultural protectionism is reflected in the protection and developing of agriculture sector. Integrated parts of this policy in the European Union are the initial model of agricultural protectionism and a new strategy of agricultural policy, which emerged as a response to the shortcomings of previously existing model. The paper presents the key reforms of agricultural po...
This study proposes the use of marginal abatement cost curves to calculate environmental damages of agricultural systems in China's Loess Plateau. Total system costs and revenues, management characteristics and pollution attributes are imputed into a directional output distance function, which is then used to determine shadow prices and abatement cost curves for soil and nitrogen loss. Marginal...
the purpose of this paper is to design entrepreneurship model of agricultural extension in the context of agricultural sustainable development. in fact the purpose of this paper is to identify the prerequisite (the influential factors of entrepreneurship), process (development of entrepreneurial program in organization); context (extension perspective in the context of agricultural sustainable ...
Food and Agriculture Organization of the United Nations launched a global partnership initiative for the conservation and adaptive management of Globally Important Agricultural Heritage Systems (GIAHS) in 2002. China is one of the first countries that responded to the GIAHS initiative, witnessed by the designation of Qingtian Rice-Fish Culture by FAO in June 2005. It is also the first country t...
There is increasing global demand for food, bioenergy feedstocks and a wide variety of bio-based products. In response, agriculture has advanced production, but is increasingly depleting soil regulating and supporting ecosystem services. New production systems have emerged, such as no-tillage, that can enhance soil services but may limit yields. Moving forward, agricultural systems must reduce ...
This paper presents an ontology-based system for helping inexperienced users formulate image processing applications. We propose models and their formalization through ontologies that identify and organize the necessary and sufficient information to design such applications. We also explain the interaction means that lead the user to give a good formulation of his/her application.
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