نتایج جستجو برای: history agricultural employment

تعداد نتایج: 497351  

2013
Anwesha Borthakur Pardeep Singh

India as a predominantly agricultural country attributes a major share of its overall development to the agriculture sector. Indian agriculture is a miscellaneous and extensive sector involving a large number of stakeholders. India has one of the largest and institutionally most complex agricultural research systems in the world. However, such a complex research system was not a sudden developm...

2009
Alexis J Handal Sioban D Harlow

BACKGROUND Research on the potentially adverse effects of occupational pesticide exposure on risk of spontaneous abortion (SAB) is limited, particularly among female agricultural workers residing in developing countries. METHODS Reproductive histories were obtained from 217 Ecuadorian mothers participating in a study focusing on occupational pesticide exposure and children's neurobehavioral d...

2017
James W. Jones John M. Antle Bruno Basso Kenneth J. Boote Richard T. Conant Ian Foster H. Charles J. Godfray Mario Herrero Richard E. Howitt Sander Janssen Brian A. Keating Rafael Munoz-Carpena Cheryl H. Porter Cynthia Rosenzweig Tim R. Wheeler

Agricultural systems science generates knowledge that allows researchers to consider complex problems or take informed agricultural decisions. The rich history of this science exemplifies the diversity of systems and scales over which they operate and have been studied. Modeling, an essential tool in agricultural systems science, has been accomplished by scientists from a wide range of discipli...

2013
K. M. Singh Anjani Kumar

Migration of population has been a recurrent phenomenon since the dawn of human history. Though its form has changed but it remains a dominant event in the global social system. In modern days also people migrate from underdeveloped areas to the developed ones in search of better opportunities. Several theories have been propounded to explain the occurrence of migration. A number of social, cul...

2005
Markku Ollikainen Jussi Lankoski

We develop a general framework for multifunctional agriculture, which includes not only public goods but also rural viability as a non-public good item. We contribute to the literature in two ways. First, we demonstrate how the broader definition of multifunctional agriculture differs from the agrienvironmental multifunctionality, and how agri-environmental policy should be reformed to include ...

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