Results 1 to 10 of about 5,630,835 (312)

Agriculture and Agricultural Labor

2019
The agricultural and farm labor history of African Americans extends across more than four centuries, from slavery beginning in the early 17th century to freedom resulting from the Civil War to a small number of independent farm owners by the early 21st century. Prior to the Civil War, slavery primarily served as an agricultural labor system.
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Agriculture and Agricultural Biotechnology

2009
Abstract This article explores a number of issues in agriculture and agricultural biotechnology putting a special emphasis within the philosophy of biology which is a fruitful area of study. The ecological impact of agriculture and the potential for humans to make novel contributions to genetic diversity raises questions about ...
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Advanced agricultural biotechnologies and sustainable agriculture

Trends in Biotechnology, 2002
Agricultural biotechnologies are anchored to a scientific paradigm rooted in experimental biology, whereas sustainable agriculture rests on a biological paradigm that is best described as ecological. Both biotechnology and sustainable agriculture are associated with particular social science paradigms: biotechnology has its foundation in neoclassical ...
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Machine learning approaches for crop yield prediction and nitrogen status estimation in precision agriculture: A review

Computers and Electronics in Agriculture, 2018
Accurate yield estimation and optimised nitrogen management is essential in agriculture. Remote sensing (RS) systems are being more widely used in building decision support tools for contemporary farming systems to improve yield production and nitrogen ...
A. Chlingaryan, S. Sukkarieh, B. Whelan
semanticscholar   +1 more source

Agricultural Waste

Water Environment Research, 2016
In recent years, the number of agricultural waste in the world has been quickly increasing. As a result, the disadvantages and environmental problems, which are caused by agricultural waste, have aroused more and more attention. Therefore, appropriate methods must be adopted to reduce and utilize agricultural wastes. This review presented approximately
Ling, Xue, Panpan, Zhang, Huajie, Shu, Chein-Chi, Chang, Renqing, Wang, Shuping, Zhang   +5 more
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Agriculture in the U.S,

1966
Contents: The Changing Structure of Agriculture; Farm Production; Agricultural Finance; Prices and Farm Income; Demand for Farm Products and Marketing; Foreign Markets for U.S. Farm Products; Rural Population and the Low Income Problem; History of Commodity Price Support Programs; World Agricultural Development and Food Needs.
Economic Research Service, Economic Research Service   +1 more
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Desintensified agriculture, peasant agriculture or sustainable agriculture ?

2003
L'objectif de l'article est de contribuer à répondre à la question : "qu'est-ce que la désintensification ?" qui a constitué le thème d'un séminaire organisé en novembre 2002 entre l'INRA et la Confédération paysanne. Cette question invite les économistes à mieux définir ce qu'est l'"intensif", en ne se limitant pas à la quantité de consommations ...
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Agriculture and agricultural world

2003
Crise de l'agriculture, malaise du monde paysan, débats autour de la politique agricole commune européenne, inquiétude des consommateurs sur la qualité des aliments, dégradation de l'environnement..., l'agriculture et le monde agricole sont toujours au coeur de l'actualité.
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The Food and Agriculture Organization of the United Nations

International Organization, 1947
H. Belshaw
semanticscholar   +1 more source

The Economics of Agriculture and Agricultural Economics

American Journal of Agricultural Economics, 1977
During this past year those of us who work at Resources for the Future (RFF) were stimulated by the external Research Advisory Committee to identify the most important problems that will face society in the next twenty-five years. The RFF experience provided background for the preparation of this paper.
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