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Full Description
The land degradation due to salinity and waterlogging is a global phenomenon, afflicting about one billion hectares within the sovereign borders of at least 75 countries. Besides staring at the food security, it has far reaching and unacceptable socio-economic consequences since a large proportion of this land is inhabited by smallholder farmers. The anthropogenic-environmental changes and the climate change are further adding to the problem of salinity and waterlogging. The phenomenon of sea-level rise will bring more areas under waterlogged salinity due to inundation by sea water. Thus, dealing with the salinity in reality is becoming a highly onerous task owing to its complex nature, uncertainty and differential temporal and spatial impacts. Nevertheless, with the need to provide more food, feed, fuel, fodder and fiber to the expanding population, and non-availability of new productive land, there is a need for productivity enhancement of these lands. In fact, the salt-affected andwaterlogged lands cannot be neglected since huge investments have been made throughout the world in the development of irrigation and drainage infrastructure. The social, economic and environmental costs being high for theon-and/off-farm reclamation techniques, saline agriculture including agroforestry inculcated with modern innovative techniques, is now emerging as a potential tool not only for arresting salinity and waterlogging but for other environmental services like mitigate climate change, sequester carbon and biodiversity restoration. This publication attempts to address a wide range of issues, principles and practices related to the salinity involved in rehabilitation of waterlogged saline soils and judicious use of saline waters including sea water. Many of the site specific case studies typical to the saline environment including coastal ecologies sustaining productivity, rendering environmental services, conserving biodiversity and mitigating climate change have been described in detail. Written by leading researchers and experts of their own fields, the book is a must, not only for salinity experts but also for policy makers, environmentalists, students and educationists alike. More importantly, it contributes to reversing the salinity trends and teaches to sustain with salinity ensuring the livelihood of resource-poor farming families leaving in harsh ecologies including coastal areas which are more vulnerable to climate change.
Contents
1. Introduction (JC Dagar and PC Sharma).- 2. Climate Change Vis-À-Vis Saline Agriculture: Impact and AdaptationStrategies (JC Dagar, PC Sharma, SK Chaudhari, HS Jat and Sharif Ahamad).- 3. Diagnosis and Prognosis of Salt-affected Soils and Poor-quality Waters using Remote Sensing and Proximal Techniques (MadhuramaSethi , DS Bundela and Rajkumar).- 4. Influence of Nano-particles on Soil Biological Processes for Enhancing CropProductivity (AK Patra, AK Bhardwaj andTapanAdhikari).- 5. Rhizosphere Engineering- an Innovative Approach for Sustainable Crop Productionin Sodic Soils (T Damodaranand VK Mishra).- 6. Physico- hydraulic Properties and Solute Movement in Black Alkali Soils (AK Singh and SK Verma).- 7. Removing Bottlenecks in Fertilizing Salt-affected Soils for Agricultural Production (AK Bhardwaj, S Srivastava, JC Dagar, RK Yadav and DK Sharma).- 8. Agroforestry for Ecological Restoration of Salt-affected Lands (SR Gupta and JC Dagar).- 9. Integrated Drainage Solutions forWaterlogged Saline Lands (SK Gupta).- 10. Sodic Irrigation Management for Sustaining Crop Productivity (OP Choudhary).- 11. Innovations in Utilization of Poor-quality Waters for Sustainable Agricultural Production (RK Yadav and JC Dagar).- 12. Low Cost Remediation and On-farm Management Approaches for Safe Use of Wastewater jn Agriculture (Khajanchi Lal, Ravinder Kaur and Neelam Patel).- 13. Use of saline/ industrial effluents in diverse crop interventions in Vertisols (G Gururaja Rao, Sanjay Arora and Anil R Chinchmalatpure).- 14 Investigating Abiotic Stress Response Machinery in Plants: The Metabolomics Approach (Khalid Anwar, Nita Lakra, Sneh L Singla-Pareek, AshwaniPareek).- 15. Physiological and Molecular Insights into Salt Tolerance Mechanisms in Plants (PC Sharma, Rama Parshat G, Ashwani Kumar and Anita Mann).- 16. Fluoride and Arsenic in Groundwater: Occurrence and Geo-chemical Processes Controlling Mobilisation (SK Jha and VK Mishra).- 17. Homestead Production Systems in Coastal Region: Opportunities, Challenges and Issues (Subhasis Mandal, D Burman, SK Sarangi and B Maji).- 18. Innovative Technologies to Sustain Saline Island Agriculture in the Scenario of Climate Change: A Case Study from Andaman Islands, India (AVelmurugan, S Dam Roy, JC Dagar, TP Swarnam and I Jaisankar).- 19. Mariculture Potential of Seaweeds: With Special Focus on GracilariaCultivation (SahuNivedita and C Raghunathan).- 20.Seaweeds as Agricultural Crops in India: New Vistas (Abhiram Seth and M Shanmugam).- 21. Livestock Rearing on Saline Water (Amit Sharma, Preeti, Hujaz Tariq, N Kewalramani and SS Kundu).- 22. Reclamation of Salt-affected Soils: Impact Assessment (K Thimmappa, JC Dagar and DK Sharma).
