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Adoption of every new technology always involves advantages and
risks; Bt cotton is new technology; which in developed countries is
well known for many advantages like reduced application of
pesticides, better insect pest control and higher lint yield but
its success in developing countries still carries a question mark.
Global adoption of Bt cotton has risen dramatically from 0.76
million hectares in its introductory period in 1996 to 7.85 million
hectares in 2005. This book aims that adoption of Bt cotton may
prove to be green revolution in enhancing the cotton yield.
Although adoption of Bt cotton is increasing day by day due to its
beneficial effects on environment by reduction of pesticide
application; however these are some factors responsible for changes
in efficiecy of Bt gene and thus in yield of Bt cotton including
internal phenology (genetics), environmental changes, nutrition
etc.
Maize is widely grown cereal crop. It serves three main purposes,
as a food for human consumption, feed for livestock, poultry and
raw material for agro-based industries. It is also utilized as a
commercial crop to manufacture various products due to its highly
nutritive value. Maize require high amount of nutrients for its
growth & development. Thus integrated use of organic &
inorganic sources of nutrients could be higly effective in
improving maize yield. So, a study was conducted to evalute the
effect of different sources of nitrogen on the production potential
of spring maize (Zea mays L.). This book provides a piece of
knowledge for upcoming research in the filed of plant nutrition.
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