Different fertilizing systems (chemical, animal manure and mixed) effects on yield and yield components of maize (Zea mays CV. SC704.
Azizi, K., A. Ghalavand, M. R. Chaichi, B. Bajlan, M. Feyzian, G. Shabani and H. R. Eshghizadeh.
The First International Conference on the Theory and Practices in Biological Water Saving (ICTPB). May 21-25. Beijing, China.