Studies on productivity, soil fertility and N-Use efficiency in Rice-Wheat-Mungbean Systems using tillage options, straw Management and Nitrogen Leaves /
By Md. Ilias Hossain ;
- Rajshahi : Department of Agronomy and Agricultural Extension, University of Rajshahi, 2007
- xxv, 321 leaves : ill, ; 29.cm.
Thesis (Ph. D.) -- Department of Agronomy and Agricultural Extension, University of Rajshahi, 2007