Abiotic Stresses and Crop Productivity

Abiotic Stresses and Crop Productivity Abiotic Stresses and Crop Productivity Sample PDF Download
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Publisher: Agrotech Publications
ISBN: 9788185680767
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Preface Agriculture in India has attained resilience mainly on account o f improved technologies and better crop varieties, better infrastructure, irrigation, weather forecasts and greater diversification. Efficient agriculture rests heavily on management o f natural resources, such as soil, water, energy and biological diversity. In order to meet the growing demands o f population pressure, farming will have to attain the twin objectives o f producing more and conserving natural resources. Obviously, this would be achieved through the role o f science and effective interactions among scientists to generate required technologies. Manifestation o f natural resource degradation often results in large scale soil and water erosion, salinization, waterlogging, over-exploitation o f ground water leading to declining water table, deteriorating water quality and chemical degradation. A time has now come to pay serious attention to conserve natural resources for sustainable agricultural development. The challenge to sustain food production at a desired growth rate appears to be difficult for a country like India that has a large proportion of rainfed, arid, dryland situations and unfavourable environ ments like soil salinity, extreme temperatures, etc. Strategies to achieve food and nutritional security would involve application o f new technologies like biotech nology, information technology, meteorology, microelectronics, communications, etc. in a big way. While these technologies are powerful tools in our arsenal to meet the emerging challenges like improving production and productivity in abiotic stress environments, they need to be used with great scientific care and discretion. Am ong the important environmental stress factors, low moisture availability drought and salinity largely affect survival, growth and potential yield o f economic crops. Therefore, an in-depth analysis o f various physiological responses, component traits, biochemical parameters and their molecular basis needs critical attention by breeders, agronomists, physiologists, soil scientists, molecular
A biotic Stresses and Crop Productivity
geneticists, horticulturists and agroforestry scientists so as to develop ecologically and economically sustainable farm ing system. Keeping the above issues in mind, an attempt has been made in the present book to dwell on recent developments