The relationship between nutrients uptake and moisture levels [microform]/
علاقة الامتصاص بمعدلات الرطوبة الأرضية.
Aly Mahmoud El-sweedy.
- 1975.
- 131,7Leaves: ill.; 30 cm.
Thesis (Ph.D.)--Cairo University,1975.
Includes bibliographical references (leaves 114-131)