Interaction between nitrogen and phosphorus in different soils [microform]/
التأثير المتبادل بين النتروجين و الفوسفور فى أراضى مختلفة.
by Mohammed Abdel Mohsen Mahmoud El-Akabawy.
- 1982.
- 129 leaves : ill. ; 30 cm.
Summary in Arabic.
Thesis (M.S.)--Cairo University, 1982.
Includes bibliographical reference (leaves 111-129).