NDLI: Using Credible Soil Loss Tolerance Value for Conservation Planning and Managing Diverse Physiographic Regions in Rajasthan

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Using Credible Soil Loss Tolerance Value for Conservation Planning and Managing Diverse Physiographic Regions in Rajasthan

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Using Credible Soil Loss Tolerance Value for Conservation Planning and Managing Diverse Physiographic Regions in Rajasthan

Content Provider	Springer Nature Link
Author	Mandal, D. Lal, R. Singh, R. K. Lakaria, Brij Lal Sethy, B. K. Somasundaram, J. Sinha, N. K.
Copyright Year	2017
Abstract	Accelerated soil erosion degrades soil quality and undermines ecosystem functions and services. It is important to assess the severity of erosion, demarcate tolerable limits for sustainable crop production, conservation planning for soil resources, and identify the alternative land uses. Irrespective of soil type, climate and vegetation cover, the tolerable level of soil erosion in India has traditionally been taken as 11.2 Mg ha$^{−1}$ year$^{−1}$. However, this is an excessive rate for most agro-ecosystems and land uses; hence, this study aims to establish credible soil loss tolerance (‘T’ values) for some soils of western India on the basis of critical soil parameters (i.e., bulk density, infiltration rate, total organic carbon and soil reaction). The condition of a soil or ‘soil state’ (S) is defined through a quantitative model involving different soil functions. The ‘T’ values for some soils of western India ranged between 2.5 and 12.5 Mg ha$^{−1}$ year$^{−1}$ compared to default ‘T’ value of 11.2 Mg ha$^{−1}$ year$^{−1}$. About 50% of the land area has ‘T’ value >10 Mg ha$^{−1}$ year$^{−1}$, and the remaining 50% has <7.5 Mg ha$^{−1}$ year$^{−1}$, of which 13.02 M ha is having only ‘T’ value of 2.5 Mg ha$^{−1}$ year$^{−1}$. Using the revised ‘T’ values for soil mapping units will help in planning of appropriate conservation measures for effective erosion control, sustainable crop production and improved watershed management in the Rajasthan State of western India.
Starting Page	169
Ending Page	178
Page Count	10
File Format	PDF
ISSN	2249720X
Journal	Agricultural Research
Volume Number	6
Issue Number	2
e-ISSN	22497218
Language	English
Publisher	Springer India
Publisher Date	2017-02-23
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant Biochemistry Permissible erosion limits Soil functions Biodiversity Erodibility Plant Sciences Soil conservation Cell Biology Plant Ecology Plant Genetics & Genomics
Content Type	Text
Resource Type	Article
Subject	Plant Science Food Science Agronomy and Crop Science

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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