TY  - BOOK
AU  - Ramadan Khalifa Mohamed Khalifa
AU  - Ahmed Fawzi Abdelhamed , 
AU  - Mohamed Saeid Kamel , 
AU  - Nabil Aly Khalil , 
TI  - Studies on fertilizer requirements of some legume crops / 
PY  - 1998///
CY  - Cairo : 
PB  - Ramadan Khalifa Mohamed Khalifa , 
N1  - Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Agronomy
UR  - http://172.23.153.220/th.pdf
ER  -