Estimation of nitrogen fixation by legumes using isotopie nitrogen techniques [microform] / Youssef Mohammed Youssef Abido.

By: Publication details: 1989.Description: 145, 4 leaves : ill. ; 30 cmOther title:
  • تقدير الأزوت المثبت بواسطة النباتات البقولية بإستخدام نظير الأزوت ن 15 [Added title page title]
Subject(s): Dissertation note: Thesis (Ph.D.) -- Al-Azhar University, 1989.
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Thesis (Ph.D.) -- Al-Azhar University, 1989.

Includes bibliographical references (leaves 119-137)

Microfiche. Cairo, Egypt : ASUNET, 3 microfiche : negative.

Summary in Arabic.

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