Micronutrient cations status in vegetable growing soils of sub-humid and wet- temperate zones of Himachal Pradesh

Chander, G and Sharma, S and Sharma, V and Verma, S and Sharma, S and Verma, T S (2014) Micronutrient cations status in vegetable growing soils of sub-humid and wet- temperate zones of Himachal Pradesh. Himachal Journal of Agricultural Research, 40 (1). pp. 79-83. ISSN 0970-595

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Composite surface (0 to 0.15 m) soil samples were collected from vegetable growing fields in mid-hills subhumid and high-hills wet-temperate sub-agroclimatic zones of Himachal Pradesh. The soils in wet temperate zone of Himachal Pradesh were more acidic (pH 5.2 to 6.8) in contrast to soils in mid–hills subhumid zone (pH 5.8 to 7.5) sandy loam to clay loam in texture, medium to high in organic carbon content. Soils were medium in available-N, low to medium in available-P and medium to high in available-K. In -1 sub-humid zone, the DTPA-extractable micronutrients ranged between 0.64 to 11.0 mg kg for Zn, 0.14 to -1 -1 -1 2.80 mg kg for Cu, 10.6 to 70.8 mg kg for Fe and 2.1 to 34.9 mg kg for Mn, while in wet-temperate zone -1 -1 -1 between 0.44 to 2.06 mg kg forZn, 0.02 to 3.60 mg kg for Cu, 22.8 to 96.6 mg kg for Fe and 2.5 to 40.0 mg -1 kg for Mn. Soils in some parts of wet temperate zone of Himachal Pradesh are inherently low in DTPA extractable Zn (19%), Cu (13%) and Mn (6%) while parts of sub humid zone are low in DTPA-extractable Cu (16%) and Mn (5%). All the DTPA micronutrients showed positive correlation with organic carbon. DTPA-Fe and Mn showed a negative correlation with soil pH. Among mechanical separates, the availability of DTPA-Cu and Mn was higher with finer soil fractions and decreased with coarser ones and reverse relation was observed with DTPA-Zn.

Item Type: Article
Divisions: RP-Resilient Dryland Systems
CRP: CGIAR Research Program on Dryland Systems
Uncontrolled Keywords: Micronutrients, DTPA- extractable Zn, DTPA- extractable Fe, DTPA- extractable Mn, DTPAextractable Cu.
Subjects: Others > Soil Science
Others > Agriculture-Farming, Production, Technology, Economics
Depositing User: Mr Ramesh K
Date Deposited: 05 May 2015 09:20
Last Modified: 05 May 2015 09:20
URI: http://oar.icrisat.org/id/eprint/8687
Official URL: http://hillagric.ac.in/info/publication/index.html
Acknowledgement: UNSPECIFIED
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