Effect of chemical fertilizers on the productivity of fish in polyculture earthern ponds [microform]/ Zakaria Mohamed Basuney Abo Omar.

By: Language: English Summary language: Arabic Publication details: 1998.Description: 175, 5 Leaves : ill. ; 30 cmOther title:
  • تأثير التسميد الكيمياوى على انتاجية الأسماك فى الاحواض الأرضية [Added title page title]
Subject(s): Dissertation note: Thesis (Ph.D.)--Tanta University,1998.
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