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Biological Nitrogen Fixation for Sustainable Agriculture - Extended versions of papers presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture at the 13th Congress of Soil Science, Kyoto, Japan, 1990 (Paperback, Softcover reprint of hardcover 1st ed. 1992)
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Biological Nitrogen Fixation for Sustainable Agriculture - Extended versions of papers presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture at the 13th Congress of Soil Science, Kyoto, Japan, 1990 (Paperback, Softcover reprint of hardcover 1st ed. 1992)
Series: Developments in Plant and Soil Sciences, 49
Expected to ship within 10 - 15 working days
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Chemical fertilizers have had a significant impact on food
production in the recent past, and are today an indispensable part
of modern agriculture. On the other hand, the oil crisis of the
1970s and the current Middle East problems are constant reminders
of the vulnerability of our fossil fuel dependent agriculture.
There are vast areas of the developing world where N fertilizers
are neither available nor affordable and, in most of these
countries, balance of payment problems have resulted in the removal
of N fertilizer subsidies. The external costs of environmental
degradation and human health far exceed economic concerns. Input
efficiency of N fertilizer is one of the lowest and, in turn,
contributes substantially to environmental pollution. Nitrate in
ground and surface waters and the threat to the stability of the
ozone layer from gaseous oxides of nitrogen are major health and
environmental concerns. The removal of large quantities of crop
produce from the land also depletes soil of its native N reserves.
Another concern is the decline in crop yields under continuous use
of N fertilizers. These economic, environmental and production
considerations dictate that biological alternatives which can
augment, and in some cases replace, N fertilizers must be
exploited. Long-term sustainability of agricultural systems must
rely on the use and effective management of internal resources. The
process of biological nitrogen fixation offers and economically
attractive and ecologically sound means of reducing external
nitrogen input and improving the quality and quantity of internal
resources. In this book, we outline sustainability issues that
dictate an increased use of biological nitrogen fixation and the
constraints on its optimal use in agriculture.
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