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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, College of Agriculture, University of Agricultural Sciences, Dharwad (Karnataka), IN
2 Department of Soil Science and Agricultural
Chemistry, College of Agriculture, University of Agricultural Sciences, Dharwad (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 3, No 2 (2009), Pagination: 307-309
Abstract
A field investigation was conducted in a Vertisol at Main Agricultural Research Station, University of Agricultural Sciences, Dharwad during kharif 2006-07 to study the use of gold ore tailings (GOT) as a source of micronutrients on sunflower crop under irrigated condition. Application of GOT @ 1.0 t/ha along with poultry manure significantly improved yield attributing parameters eventually resulting in 22.5 and 26.5 per cent higher seed and stalk yield, respectively over control. The uptake of copper (2345 mg/kg), iron (91567.6 mg/kg), manganese (319.1 mg/kg) and zinc (284.1 mg/kg) also increased significantly due to the application of same level of GOT along with poultry manure. Similar results were observed with application of GOT alone @ 1.0 t/ha and with FYM and vermicompost.
Keywords
COT, GOT, Seed Filling, Oil Content, Sunflower.
