TY  - BOOK
AU  - Ricamonte, Edgar F. 
TI  - The Influence of nitrogen fertilization and plant population density on yield and yield components of three-grain sorghum varieties 
PY  - 1997///
N1  - Thesis (MS Agronomy) -- University of the Philippines, Los Baños, Laguna; Bibliography: leaves 46-52
ER  -