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2.3 Dissemination and Utilization of Agricultural Science InformationChapter 3 Sustainable Agricultural Food Production; 3.1 Introduction; 3.2 Farming Systems; 3.3 Common Activities in Food Production; 3.4 The Role of Women in Food Production; 3.5 Factors Affecting Food Crops Production; 3.6 Postharvest Management of Food Crops Produce; 3.7 Mycotoxins Contamination During and After Food Production; Chapter 4 Efficiency In Agricultural Resources Utilization For Food Production; 4.1 Introduction; 4.2 Agricultural Finances; 4.3 Agricultural Land; 4.4 Agricultural Water

China is a vast country, varying widely in its land, its climate, its agriculture and its people. Extending across some 35 degrees of latitude, and with extreme ranges in elevation and in precipitation, it has many types of agricultural production. At one extreme are the intensively cultivated rice fields of the south. On some of these, two crops of rice are grown per year; some are drained after the rice harvest for the production of a crop of winter vegetables. At the other extreme are the grassland areas of the northern Manchurian provinces, Inner Mongolia, Kansu, Chinghai, west Szechwan, Tibet and Sinkiang, with their herds of sheep, goats, cattle, yaks and camels. In between is the so-called wheat area, north of the Chingling Mountains and extending to the edge of the grasslands.

Agricultural science and farm-based technologies have been important forces behind the dramatic rise in agricultural production in the industrial world during the 20th century, as well as in large portions of the developing world (Stanton, 1998). In the United States, mechanisation, improved seeds and breeds, chemical inputs, and other scientifically inspired production technologies and techniques are often credited with productivity gains (Dimitri, Effland & Concklin, 2005). In past decades, agricultural science and technology have contributed to the productivist goals of maximising production while seeking the greatest efficiency from inputs. However, there have always been tensions and contradictions because the distribution of risks and benefits has not been even. Despite these insights, recent shifts in the political economy of agricultural science and technology indicate a trend that favours the private sector and global markets, a 241 Leland Glenna and Elizabeth P. Ransom move that tends to exacerbate some of those underlying and persistent tensions and contradictions. We explore these issues by examining how these political-economic shifts are affecting agricultural science and technology in industrialised and developing nations.

The authors employed a qualitative case study design to explore factors of persistence in agricultural science program. Specifically focused on factors that influence participants continue in enroll the agricultural program in tertiary education since previously studied a subject or several subjects related to agriculture in secondary school. All participants had taken agricultural programs in tertiary education and previously had studied subject that related to agriculture during secondary school. Findings show that support from close individual, school environment, exposure to agriculture and personal factor were factors influencing the persistence of students in agriculture. The authors address implications for increasing student's persistence in agricultural science program.

AbstractThe agricultural leadership discipline is rooted in public speaking and parliamentary procedure instruction for the youth members of 4‐H and FFA. In the mid‐1960s, the focus shifted to include collegiate level academic programs serving future agricultural leaders and has grown to include programs at 26 land‐grant institutions.

STATISTICAL DATA COLLECTED FROM FOUR UNIVERSITIES IN LEBANON

County editors and information specialists prove better predictors of the judgments of farmer audiences than other professionah in the system, suggesting that they function well as mediators.