TY  - TH
AU  - Tilahun Geleto
TI  - The effects of nitrogen fertilizer sources, rates and time of application on the nitrogen uptake, grain yield and yield components of wheat
PY  - 1994///
CY  - Alemaya (Ethiopia)
PB  - Alemaya University of Agriculture, 
N1  - Nationality: ET; Thesis (M. Sc.). AGRIS 95-098045
ER  -