نتایج جستجو برای: agricultural structure

تعداد نتایج: 1663136  

2001
Irene Onyancha Johannes Keizer Stephen Katz

This report outlines a proposed metadata framework for resource discovery of agricultural resources, and in particular to describe information resources in agricultural sciences. The overall work is the result of a collaborative effort between a number of partners in the agricultural community and the Library and Documentation Systems Division of FAO. The endeavour is formally referred to as th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

This study aims to analyze the determinants of vertical integration (ownership and contract-ing) among peasant farmers in Northern Algeria. The choice of asset control is between ownership and a simple contracting. Thus, the integration of vertical stages of agricultural produc-tion leads to higher gross margins, influences the choice of marketing and supply channels, and improves market partic...

2006
ROBERT C. ALLEN

Rsing agricultural productivity is central to economic development and has been studied by the historians of many countries. Much has been learned about their separate histories, but long-term, cross-national comparisons remain elusive. Crop yields have received considerable attention,' and progress has been made in understanding their evolution. However, labour productivity is arguably a more ...

2014
Paul W. Thurner André Klima Helmut Küchenhoff

There is widespread agreement within academic literature that the NSDAP systematically and effectively targeted the rural areas beginning with the agrarian crisis in 1927/8. However, one issue is left unresolved: were specific levels of agricultural strata differently attracted to the Nazis, and if so, how? In light of the economic and political incentives offered to German peasants with differ...

2009
Benjamin Anderson Ian Sheldon

Over the past three decades, the agricultural biotechnology sector has been characterized by rapid innovation, market consolidation, and a more exhaustive definition of property rights. The industry attributes consistently identified by the literature and important to this analysis include: (i) endogenous sunk costs in the form of expenditures on R&D; (ii) seed and agricultural chemical technol...

2010
Charles F. Nicholson

An agribusiness focus has emerged in public discussions as way to enhance agricultural production in Indonesia and to improve sustainable income for farmers. The focus has led to increased attention on marketing. Marketing agricultural products via processing technologies can indeed address national objectives of rural poverty alleviation. REI-Indonesia observed that limited marketing alternati...

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