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Mutations, In Vitro and Molecular Techniques for Environmentally Sustainable Crop Improvement (Paperback, Softcover reprint of hardcover 1st ed. 2002)
Loot Price: R4,441
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Mutations, In Vitro and Molecular Techniques for Environmentally Sustainable Crop Improvement (Paperback, Softcover reprint of hardcover 1st ed. 2002)
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During the last thirty years, most increases in agricultural
production were achieved through high input agrieulture in areas
with fertile soils and sufficient water. Intensive methods of
production with high levels of nitrogen fertilizer and pesticides
were often accompanied by environmental degradation and in some
instances by pollution of the food supply. However, rapid
population growth has also led to increasing use of marginal lands,
where adverse soil and climatic eonditions are serious constraints
to food production. These areas are even more sensitive to
ecological destabilization. Environmentally sound systems of food
production and land use are essential for meeting the food security
needs of developing countries. To do this, greater genetic
variability is needed within the best crop genotypes available for
the areas in need coupled with better management praetices and crop
rotations. These requirements can only be realized if suitable crop
varieties are bred. These should be varieties with a much shorter
growing period, suitable for rotation, increased tolerance or
resistance to diseases and pests as weil as to drought and salinity
and other adverse soil and climatic conditions.
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