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Title: | Shifting cultivation, soil degradation, and agricultural land-use planning in the northeastern hill region of India using geospatial techniques |
Other Titles: | Not Available |
Authors: | Prasenjit Ray Sudipta Chattaraj Siladitya Bandyopadhyay Roomesh K. Jena, Surendra K. Singh, Sanjay K. Ray |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR-National Bureau of Soil Survey and Land Use Planning, Regional Centre, Jorhat, India ICAR-National Bureau of Soil Survey and Land Use Planning, Nagpur, India ICAR-National Bureau of Soil Survey and Land Use Planning, Regional Centre, Kolkata, India |
Published/ Complete Date: | 2021-04-10 |
Project Code: | Not Available |
Keywords: | Eastern Himalaya, jhum, land management units, land suitability evaluation, land-use models, pedogenesis |
Publisher: | Wiley |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Shifting cultivation is widely practiced in the northeastern hill (NEH) region of India. It is known that the destruction of natural forests and its conversion to cropland leads to soil resource degradation. The impacts on soil due to jhuming (jhum practice followed in shifting cultivation) have not been studied adequately. Also, study of alternatives to jhum land use is lacking. In our study, a soil resource inventory of jhum lands was generated for a part of the Purvanchal Ranges of Eastern Himalaya, India to ascertain the nature of soil resource degradation due to jhuming using geo-spatial techniques. High-resolution IRS P6 LISS-IV and stereo-pair CARTOSAT-I satellite images along with digital elevation model data were used to map soil resources of jhum lands through a detailed soil survey. Typical pedons were also studied in the native forest adjacent to the jhum lands. Further, land suitability evaluation of the identified soil series for crop growth was carried out to propose alternative land-use models for jhum lands distributed over different landforms. Results indicated that soils of jhum lands were organically degraded and followed regressive pedogenesis, whereas forest soils followed progressive pedogenesis, particularly on high (650– 1250 masl) and medium hills (250–650 masl). Alternaive land-use models with the inclusion of upland rice and without the inclusion of rice have been proposed. Results of the investigation should be useful for policy makers to seeking make the best use of the land resources under jhum cultivation. |
Description: | Research article |
ISSN: | Not Available |
Type(s) of content: | Article |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Land Degradation & Development |
Journal Type: | Included NAAS journal list |
NAAS Rating: | 10.70 |
Impact Factor: | 4.377 |
Volume No.: | Not Available |
Page Number: | Not Available |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | DOI: 10.1002/ldr.3986 |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/81635 |
Appears in Collections: | NRM-IIWM-Publication |
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