Effects of organic amendments and incubation time on the amelioration of saline soils

M. Z. Hossain, . and F. Akter, . and K.Q. Kibria, . Effects of organic amendments and incubation time on the amelioration of saline soils. pp. 99-108. ISSN 1394-7990

Rice hull and saw dust at rates of 3 6 and 9 t ha- (designated as T1 T2 and T3 for rice hull and T4 T5 and T6 for saw dust respectively) were applied separately to Bajoa and Dumuria soils to evaluate their reclamation potentiality of salinity through estimation of physico-chemical attributes of the soils. The pH of both soils was not significantly influenced by the amendments. The EC values of both the soils were significantly (p0.05) decreased and the reductions were more pronounced in the Bajoa soil. The values of sodium adsorption ratio (SAR) were found to decrease for all the treatments in both the soils and followed the order of T6 T3 T5 T2 T4T1 in the Bajoa soil and T2 T3 T6 T1 T5 T4 in the Dumuria soil. Sodium removal efficiency was reduced significantly (p0.05) at the highest dose (9 t ha-). The treatments showed significant (p0.01) effects on exchangeable cations at different periods of incubation. During the incubation the concentration of Na showed a remarkable decrease while K Ca and Mg concentrations showed an increasing trend in both soil types.

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Abstract

Rice hull and saw dust at rates of 3 6 and 9 t ha- (designated as T1 T2 and T3 for rice hull and T4 T5 and T6 for saw dust respectively) were applied separately to Bajoa and Dumuria soils to evaluate their reclamation potentiality of salinity through estimation of physico-chemical attributes of the soils. The pH of both soils was not significantly influenced by the amendments. The EC values of both the soils were significantly (p0.05) decreased and the reductions were more pronounced in the Bajoa soil. The values of sodium adsorption ratio (SAR) were found to decrease for all the treatments in both the soils and followed the order of T6 T3 T5 T2 T4T1 in the Bajoa soil and T2 T3 T6 T1 T5 T4 in the Dumuria soil. Sodium removal efficiency was reduced significantly (p0.05) at the highest dose (9 t ha-). The treatments showed significant (p0.01) effects on exchangeable cations at different periods of incubation. During the incubation the concentration of Na showed a remarkable decrease while K Ca and Mg concentrations showed an increasing trend in both soil types.

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Item Type:	Article
AGROVOC Term:	Organic amendments
AGROVOC Term:	Saline soils
AGROVOC Term:	Soil improvement
AGROVOC Term:	Soil physicochemical properties
AGROVOC Term:	Soil analysis
AGROVOC Term:	Rice hulls
AGROVOC Term:	Sawdust
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/8648

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