Effect of some fertilizer treatments on yield and components of sweet potato crop [microform] /
Al-Said Mahmoud Al-Said.
- 1991.
- 83, 4 leaves : ill. ; 30 cm.
Thesis (M.S.)-- Mansoura University, 1991.
Includes bibliographical references (leaves 68-83)
Microfiche. ASUNET, Ain Shams University, 2 microfiches : negative.