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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Frequency : Bimonthly
Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
E-ISSN : 2582-4198
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  • 1. Papers are invited for the forthcoming issues of Green Farming. Few Mini Review articles on applied aspects of new approaches (with Sr. Authors) may be adjusted, if sent on priority by email. For more details, please contact us.
Vol. 4 (1) : January-February 2013 issue
Green Farming Vol. 4 (1) : 24-28 (January-February, 2013)
Effect of zinc sources on transformation, redistribution and availability of zinc in inceptisols
M. KUMAR1* and F.M. QURESHI2
Deptt. of Agric. Chemistry & Soil Science, Rajasthan College of Agriculture (MPUAT), Udaipur - 313001 (Rajasthan)
Designation :  
1Ph.D. Scholar *(mukeshcoabkn@rediffmail.com), 2Assoc. Professor
Subject : Agronomy and Crop Production
Paper No. : P-0861
Total Pages : 5
Received : 15 September 2012
Revised accepted : 20 December 2012
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Citation :

M. KUMAR and F.M. QURESHI. 2013. Effect of zinc sources on transformation, redistribution and availability of zinc in inceptisols. Green Farming Vol. 4 (1) : 24-28 ; January-February, 2013

ABSTRACT
The objective of this study was to compare the transformation, redistribution and availability of Zn from different fertilizer sources viz. Zn-DTPA (Zinc chelated with di-ethylene tri-amine penta-acitic acid), Zn-EDTA (Zinc chelated with ethylene di-amine tetra-acetic acid), Zn-CH (Zinc chelated with a mixture of DTPA & EDTA), and ZnSO4.7H2O (Zinc sulphate hepta hydrate) applied at various zinc levels (5, 10 and 20 mg kg-1) to Inceptisols in an incubation study. The results of the incubation study showed that all fractions of zinc significantly increased with increasing levels of zinc in soil and different fertilizer sources significantly influenced these fractions as well. After incubation (30 and 60 days at field capacity moisture regime) of soil, all fractions of zinc significantly decreased with time except residual fraction that was increased. A large portion of Zn applied to soil occurred in the water soluble plus exchangeable fraction in all fertilization treatments.
Key words :
AFeOX-Zn, CFeOX-Zn, CARB-Zn, RES-Zn, DTPA-available zinc, MnOX-Zn, OC-Zn, WSEX-Zn.