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Bioremediation of Salt-Affected Soils: An Indian Perspective

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Title Bioremediation of Salt-Affected Soils: An Indian Perspective
Not Available
 
Creator Sanjay Arora
Y.P. Singh
Atul K. Singh
 
Subject halophytes
Salt tolerant plants
microbial activity
halophiles
bioremediation
 
Description This book has 14 chapters
In the past, the increasing needs of a growing population for food, fuel and fiber
were met by cultivating progressively larger areas of land and by intensifying the
use of existing cultivated land. Under circumstances with diminishing good-quality
lands and stagnating crop yields, the food demands of an increasing population
must be met through the reclamation and management of degraded lands, including
salt affected lands. Salt-affected soils cover about 6% of the world’s lands, which is
mainly due to either natural causes or human-induced causes that affect about 2%
(32 million ha) of dryland farmed areas and 20% (45 million ha) of irrigated lands
globally. In India, about 6.73 million ha of land are affected by salts. To overcome
this problem, several researchers have advocated the biological approach to improve
these lands for cultivation. Innovative technologies in managing marginal salt
affected lands merit immediate attention in view of climate change and its impact
on crop productivity and the environment. The management of degraded land on a
sustainable basis offers an opportunity for the horizontal expansion of agricultural
areas in the India. During the last three decades, a number of strategies to ameliorate
different kinds of marginal lands, including salt affected areas, have been developed.
Adequate knowledge in diagnosis and management technologies for saline
and alkali lands is essential to obtain maximum crop production from these
resources. Bioremediation is one of the eco-friendly approaches for improving the
productivity of salt affected soils.
This book attempts to gather and discuss the information and technologies developed
for the bioremediation and management of salt affected soils. The emphasis in
this endeavour was on characterization, reclamation, microbial and vegetative bioremediation
and management technologies for salt affected and waterlogged sodic
soils. This book contains 14 chapters that highlight the significant environmental
and social impacts of different ameliorative techniques for salt affected soils.
Bioremediation, including phytoremediation approaches for managing saline, sodic
and coastal waterlogged soils, is the major emphasis. Agronomic practices, including
agroforestry at different scales, with case studies in India are also part of the
book. The book summarizes and updates information about the distribution,
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reactions, changes in bio-chemical properties and microbial ecology of salt affected
soils in India that can be useful globally. Furthermore, it addresses the environmental
and socio-economic impacts of reclamation programs with particular emphasis
on the impacts on agricultural production and rehabilitation of degraded lands, visa-vis
the economics of farmers. The decision-making process related to the reclamation
and management of vast areas of salt affected soils involves considerations
of the economic viability, environmental sustainability, and social acceptability of
different approaches. The book contains the latest case studies and applied techniques
of bioremediation of salt affected soils.
Not Available
 
Date 2018-09-26T09:56:38Z
2018-09-26T09:56:38Z
2017-04-01
 
Type Book
 
Identifier Not Available
978-3-319-48256-9
http://krishi.icar.gov.in/jspui/handle/123456789/7269
 
Language English
 
Relation Not Available;
 
Publisher Springer International Publishing