"9106","8","archive","1305",,,"disk0/00/00/91/06","2015-10-30 11:08:52","2015-10-30 11:08:52","2015-10-30 11:08:52","article",,,"show",,,,"","","","","","","","","","",,,,"Bhattacharyya","T","","","","","","","Bhattacharyya","T","","","","",,,,,"","",,,,,"","","National Bureau of Soil Survey and Land Use Planning (Nagpur)","India","Distribution of zeolitic soils in India","pub","s2.11","D5","crp1.1","public",,,"Black Soils, Calcium-rich zeolites, Mineralogical Information, Soil Map",,"Part of this study was carried out with
financial assistance from the National Agricultural Innovative Project (NAIP) (Component 4) funded studies on ‘Georeferenced soil information system for land use planning and monitoring soil and land quality for agriculture’. We thank Dr N. V. Chalapathi Rao for useful suggestions to improve the manuscript","Calcium-rich zeolites control naturally occurring
chemical degradation in the black soils (Vertisols and
their intergrades). With the help of modern tools such
as remote sensing, geographic information system, soil
database, geological information, topography and
other related datasets, an attempt was made to update
the distribution of zeolitic soils in India. To ascertain
the presence of Ca-rich zeolites in soils, mineralogical
information was generated using X-ray diffraction
techniques for the selected soils from the Indo-Gangetic
Plains and the black soil region (BSR). The zeolitic
soils are mostly confined in the pediments (sloping regions
of the upland) of the Deccan plateau in BSR,
although a few are also found along the valley floor.
The IGP, on the other hand, hosts the zeolitic black
soils along the drainage channels in the valley floor
where the basaltic alluvium deposited the smectite and
clay-rich sediments. The study indicates Ca-rich zeolitic
soils in India to occupy an area of ~2.8 m ha, of
which BSR and IGP constitute ~92% and ~8% respectively.
The zeolites are mostly concentrated in the drier
tracts of the country and help in maintaining soil
health against natural soil degradation. While the
occurrence of Ca-rich black soils in BSR was known,
those in the IGP are new findings. With the help of the
available information, we have generated state-of-art
information approximation map on the distribution of
Ca-rich zeolites in Indian soils.","2015-10-10","published",,"Current Science","109","7","Current Science Association",,"1305-1313",,,,,,,,,,,"TRUE",,"0011-3891",,,,,,"","http://www.currentscience.ac.in/Volumes/109/07/1305.pdf","https://scholar.google.co.in/scholar?as_q=Distribution+of+zeolitic+soils+in+India&as_epq=&as_oq=&as_eq=&as_occt=title&as_sauthors=&as_publication=&as_ylo=&as_yhi=&btnG=&hl=en&as_sdt=0%2C5","pub",,"","",,,,,,"",,,,,,,"",,,,,"",,,,,"","",,,,,"","",,,,,
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