Ciba Foundation Symposium 177 - Crop Protection and

The rise on the planet inhabitants and adjustments in welfare have resulted in an greatly increasing call for for nutrients. within the industrialized global, foodstuff surpluses instead of shortages are an issue including adversarial environmental affects from the overuse of chemical compounds and over the top exploitation of agricultural land. within the constructing international, nutrition creation can't stay alongside of inhabitants progress and the distance among call for and provide is turning out to be. This booklet explores the subject matter of sustainable agricultural improvement within the constructing international, with a selected specialise in crop safety. comprises chapters at the ecology of meals creation, on sustainable agriculture and crop safety equipment, at the economics of nutrition construction and extra.


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At a better level of land reclamation, the level of basic nitrogen available at which an equilibrium between inputs and outputs is reached is higher. The slope of this line, which reflects the efficiency of use of nitrogen, also changes. At a better level of land reclamation, the efficiency increases. If you have proper control of pests and diseases at the right times, you see a similar shift-an increasing basic amount of nitrogen available to the plant and better use of the nitrogen. So by treating with nitrogen in the right amount and at the right time, you can increase efficiency synergistically.

It depends on how you look at the germplasm, but basically average yields have been declining about 1-2% per year for the last 15 years. What do we d o about this? The answer is what are being called secondgeneration technologies in green revolution environments, that empower farmer decision-making. Management tools are being made available to farmers so that their farming is smarter: the farmers are using resources in more creative ways and are doing better applied research. I was glad Mike Jones mentioned traditional farming systems.

J. Swift 8c K. A. Dvorak, unpublished paper, Meet CGIAR SOCSci, ISNAR, The Hague, August 1992). g. conservation of resources and reduction of impacts on the environment), economic viability and the quality of life and human welfare’. Undoubtedly, the concept is complex, at least in the variety of its specific applications to so many widely different environments and, in each of them, to a continuum of interlocking technical, economic and political factors. At another level, though, it is remarkably simple: it is a universal imperative to guard (and where possible enhance) the potential for production by current agricultural systems and by all conceivable future agricultural systems.

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