نتایج جستجو برای: agricultural

تعداد نتایج: 101766  

2004
Rolf A.E. Mueller Roger Bacon

The relationships between agricultural science, invention, production and consumption are conventionally considered in a hierarchical model with consumption at the basis and science at the pinnacle of the hierarchy. Two important shortcomings of that model as a basis for organizing and managing agricultural research are identified. First, the model does not specify how the direction and intensi...

Journal: :MMWR. Morbidity and mortality weekly report 1994

The National Institute for Occupational Safety and Health (NIOSH) requests assistance in preventing organic dust toxic syndrome (ODTS), an acute respiratory illness in agricultural workers who inhale contaminated organic dust. This Alert describes four case reports in which a total of 29 agricultural workers developed ODTS following inhalation of organic dusts contaminated with microorganisms. ...

2012
Jana Špulerová František Petrovič

This article is focused on historical agricultural landscapes in Slovakia, which have been preserved and have irreplaceable ecological, cultural and historical value. Historical structures of agricultural landscapes (HSAL) are a type of cultural landscape that contains, within a geographic area, both natural and man-made features that typify connected activities, and a cultural expression refle...

2007
Benjamin K. Acquah

One of the objectives of agricultural development in Botswana is the increase of agricultural productivity in both arable and livestock production in order to increase farm incomes and thus help to make agriculture a sustainable activity. This paper looks at the challenges that Botswana faces in meeting this objective while minimizing any land degradation that may accompany the process of incre...

1998
Andrew McKay Oliver Morrissey Charlotte Vaillant

Tanzania is among the many African countries that have engaged in agricultural liberalisation since the mid-1980s, in the hope that reforms which introduce price incentives and efficient marketing will encourage producers to respond. This paper assesses that claim by examining the supply response of agricultural output in Tanzania. Our estimates suggest that agricultural supply response is quit...

2015
Tao Chen Shihong Liu

At present, in China, small farmers decentralized production doesn’t keep pace with the agricultural products market development requirements. This paper provides a new way by using the cloud computing technology to design and implement the agricultural production and marketing information matching recommendation system in the cloud computing environment. The platform collects agricultural mark...

2013
Shuo Wang Shihong Liu

This article describes challenges faced by agricultural production and marketing in the era of big data, and then builds the agricultural market information matching platform based on HADOOP & NUTCH combining cloud computing technology, finally details its layers and key technologies, including the use of open source search engine to capture the whole network market information to build agricul...

2009
Alistair B.A. Boxall Anthony Hardy Sabine Beulke Tatiana Boucard Laura Burgin Peter D. Falloon Philip M. Haygarth Thomas Hutchinson R. Sari Kovats Giovanni Leonardi Leonard S. Levy Gordon Nichols Simon A. Parsons Laura Potts David Stone Edward Topp David B. Turley Kerry Walsh Elizabeth M.H. Wellington Richard J. Williams

Climate change is likely to affect the nature of pathogens/ chemicals in the environment and their fate and transport. We assess the implications of climate change for changes in human exposures to pathogens/chemicals in agricultural systems in the UK and discuss the effects on health impacts, using expert input and literature on climate change; health effects from exposure to pathogens/chemica...

2003
Terry J. Logan

From the first awareness of agricultural sources of water pollution in the US in the 1960s, we finally see in the 1990s a commitment at the national level for agricultural non-point source (NPS) pollution control. This has been occasioned by a growing awareness that, with point sources of some pollutants largely controlled by waste-water treatment, greater attention must be paid to NPS pollutio...

2015
Chen Li

China's urbanization will influence the future world economic development. China's s urbanization rate is from 10.6% in1949 to 53.73% in 2013, and the research center of the experts predict that China's urbanization rate will reach 60% in 2020.The characteristic of China's urbanization is the coordinated development of four modernizations, which includes informatization, industrialization, urba...

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