نتایج جستجو برای: agricultural trade model

تعداد نتایج: 2263221  

2009
Timothy A. Wise

This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, redistribution , reselling , loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to da...

Journal: :Journal of the Faculty of Agriculture, Kyushu University 2018

2010
Peter A. Follett

INTRODUCTION World trade in agricultural commodities continues to grow. As agricultural trade expands, it increases the risk of introducing exotic insects into new areas where they may become plant pests. The establishment of new pests can be costly due to increased crop damage, control programs, and quarantine restrictions on trade. Quarantine or phytosanitary treatments such as cold, fumigati...

2006
J R Treweek Claire Brown Philip Bubb

Agricultural expansion is a major driver for loss of biodiversity; changes in land use or intensity associated with trade liberalisation can therefore have major consequences. Assessments of the impacts of agricultural trade have tended to neglect biodiversity, despite its crucial role in maintaining productive agro-ecosystems. Advice on assessment of biodiversity impacts is required to support...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Gerald C Nelson Hugo Valin Ronald D Sands Petr Havlík Helal Ahammad Delphine Deryng Joshua Elliott Shinichiro Fujimori Tomoko Hasegawa Edwina Heyhoe Page Kyle Martin Von Lampe Hermann Lotze-Campen Daniel Mason d'Croz Hans van Meijl Dominique van der Mensbrugghe Christoph Müller Alexander Popp Richard Robertson Sherman Robinson Erwin Schmid Christoph Schmitz Andrzej Tabeau Dirk Willenbockel

Agricultural production is sensitive to weather and thus directly affected by climate change. Plausible estimates of these climate change impacts require combined use of climate, crop, and economic models. Results from previous studies vary substantially due to differences in models, scenarios, and data. This paper is part of a collective effort to systematically integrate these three types of ...

Journal: :international journal of agricultural science and research 2012
g. norouzi r. moghaddasi s. yazdani

in this paper the trade restrictiveness of agricultural policies in iran was measured by the triindex for the nine major agricultural products including wheat, rice, barely, maize, soybean,meat (beef meat), soybean oil, sugar and banana over the period 1981 to 2007. the main resultsindicate that there is no trend in above index and high volatility especially in 2006 and 2007years due to conside...

Journal: :Agribusiness 2022

We calibrate the Center for Agricultural and Rural Development International Commodity Market model using 2019/20 marketing year crop data 2020 calendar livestock biofuel to project China's agricultural imports under six plausible policy scenarios focusing on ethanol, corn, pork from 2021 2030. Our baseline projection reflects current of relaxing tariff rate quota (TRQ) corn imposing ethanol wi...

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