ZINC STATUS OF PADDY SOILS OF MALAYSIA IN RELATION TO SOME PHYSICO-CHEMCAL PROPERTIES

The micronutrient zinc is required by rice in a small quantity, but its deficiency has an adverse effect on healthy crop growth and the yield may decrease up to 30%. The states of Kedah and Kelantan of Malaysia are the main paddy growing areas of the country. Fifteen soil series from these states we...

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Published in:Pak. J. Agri. Engg., Vet. Sci. Vet. Sci., 2015-06, Vol.31 (1)
Main Authors: B. Hafeez, Y. M. Khanif, M. Saleem, M. I. Mastoi, A.W. Gandahi
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Language:English
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Malaysia
micronutrients
paddy soils
zinc status
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container_title Pak. J. Agri. Engg., Vet. Sci.
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Y. M. Khanif
M. Saleem
M. I. Mastoi
A.W. Gandahi
description The micronutrient zinc is required by rice in a small quantity, but its deficiency has an adverse effect on healthy crop growth and the yield may decrease up to 30%. The states of Kedah and Kelantan of Malaysia are the main paddy growing areas of the country. Fifteen soil series from these states were selected for the determination of Zn2+, Cu2+, Mn2+ and Fe2+ status and some other physico-chemical properties. Soil samples were collected from three different locations of same soil series at the depths of 0-15, 15-30 and 30-45 cm. All the soils were acidic and low in organic carbon and P, while their texture varied from clay loam to silty clay. Copper (Cu2+) and manganese (Mn2+) were moderate in status, and iron was high. Available soil Zn2+ varied at different depths and locations for all the soil series (P
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Available soil Zn2+ varied at different depths and locations for all the soil series (P&lt;0.05); the top soils contained as high as 2.03 mg kg-1 and the subsoils as low as 0.22 mg kg-1. Zinc concentration had negative correlation with Cu2+ (r= -0.77*), P (r= -0.65*), Fe2+ (r= -0.54*), Mn2+ (r= -0.23*) and pH (r= -0.21*) and positive correlation with organic carbon (r = 0.41). This study shows that Zn2+, Cu2+, Mn2+ and P status  of paddy growing soils of Malaysia is low, and this could possibly be one of the main reasons of low rice yield.</description><identifier>ISSN: 1023-1072</identifier><identifier>EISSN: 2663-7863</identifier><language>eng</language><publisher>Sindh Agriculture University, Tandojam</publisher><subject>Malaysia ; micronutrients ; paddy soils ; zinc status</subject><ispartof>Pak. J. Agri. Engg., Vet. 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subjects Malaysia
micronutrients
paddy soils
zinc status
title ZINC STATUS OF PADDY SOILS OF MALAYSIA IN RELATION TO SOME PHYSICO-CHEMCAL PROPERTIES
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