Ramadan Khalifa Mohamed Khalifa <br/><br/>
Studies on fertilizer requirements of some legume crops /  
 دراسة على الاحتياجات السمادية لبعض المحاصيل البقولية 
Ramadan Khalifa Mohamed Khalifa ; Supervised Mohamed Saeid Kamel , Nabil Aly Khalil , Ahmed Fawzi Abdelhamed 
 - Cairo :   Ramadan Khalifa Mohamed Khalifa ,   1998 
 - 182 Leaves ;   30cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Agronomy