1 ©Meir Kohn 2014 CHAPTER 3. THE REORGANIZATION OF PRODUCTION Expansion of the market induces changes in production that increase productivity; this opens the way for further market expansion. In preindustrial Europe, the greatest cause of increasing productivity was changes in the organization of production. And such changes remain an important factor in increasing productivity today.1 In this...

Sustainable agriculture is essential for man's survival, especially given our rapidly increasing population. Expansion of agriculture into remaining areas of natural vegetation is undesirable, as this would reduce biodiversity on the planet. Maintaining or indeed improving crop yields on existing farmed land, whether on a smallholder scale or on larger farms, is thus necessary. One of the limit...

397 COVER Children learning science, like these 7-year-olds tackling nuclear physics in 1948, must work through their mistakes and misconceptions. The route to science literacy involves reading, debate, presentation, and writing. See the special section beginning on page 447.

Land cover changes influence the biogeochemistry, hydrology and climate of the earth. Studies that assessed land cover changes at the global scale mostly focused on: deforestation, cropland expansion, dryland degradation, urbanisation, pasture expansion and agricultural intensification. For the assessment, remotely sensed land-cover data, census data and expert knowledge were used. In tropical ...

today, all over the word, we see the scientists, thinkers, politicians, consumers, producers and ecologists (who support the environment) pretest against the method of agriculture, because trying to increase the crop outcome to its maximum rate for hectare through the irregular use of chemical input in industrial agriculture lead to a disaster in human life which will endanger the whole life on...

development assistance, investments in agriculture through research and technology transfer have been central to rural development strategies. After falling from grace in the 1990s, a rush of new initiatives — and the World Bank’s 2008 World Development Report on “Agriculture for Development” — suggests that agriculture and agricultural science and technology are once again riding high in the d...

By W. W. GARNER, Physiologist in Charge, J. E. MCMURTRëY, Assistant, C. W. BACON, Assistant Physiologist, Tobacco and Plant Nutrition Investigations, Bureau of Plant Industry, United States Department of Agriculture, and E. G. Moss, Assistant, Tobacco and Plant Nutrition Investigations, Bureau of Plant Industry, United States Department of Agriculture, and Assistant Director, Tobacco Branch Sta...

Complete List of Authors: Yan, Honghai; Triticeae Research Institute of Sichuan Agricultural University, Martin, Sara; Agriculture and Agri-Food Canada Bekele, Wubishet; Agriculture and Agri-Food Canada Latta, Robert; Dalhousie University, Department of Biology Diederichsen, Axel; Plant Gene Resources of Canada, Agriculture and AgriFood Canada Peng, Yuanying; Triticeae Research Institute of Sic...