Effect of Lignite Fly Ash and Composted Coir Pith on Cultivable Soils

V.A. Elavalagan

Department of Chemistry and Environmental Sciences, AMET University, ECR, Kanathur, Chennai 112, India.

DOI : http://dx.doi.org/10.13005/bbra/1398

ABSTRACT: In Tamil Nadu alone, the daily production rate of fly ash is about 15,000 tons. At the world level 90% of coir production is concentrated in India and Sri Lanka and Tamil Nadu and Kerala stand in the forefront. Lignite fly ash along with degraded coir pith was applied to the sandy loam red soils of Thanjavur. Pot culture experiments were conducted and the performance of paddy ADT 36 was tested. The nutrient status of the soil and the yield attributes of ADT 36 were evaluated. The study revealed that the soil properties were altered and the yield parameters were changed. The sandy red soils supplemented with lignite fly ash and composted coir pith resulted in better yields than commercial fertilizers alone.

KEYWORDS: Lignite Fly Ash; Coir pith; Soil

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