Research Article
Effect of Nitrogen Levels on Yield and Yield Contributing Characters of Three Varieties of Carrot
Department of Agricultural Economics, Rural Sociology and Statistics, University of Rajshahi, Rajshahi, Bangladesh
M.A. B. Barkotulla
Department of Agricultural Economics, Rural Sociology and Statistics, University of Rajshahi, Rajshahi, Bangladesh
M. N. Alam
Department of Agricultural Economics, Rural Sociology and Statistics, University of Rajshahi, Rajshahi, Bangladesh
Kh. A. Tawab
Soil Resources Development Institute, Rajshahi, Bangladesh