Estimation of nitrogen fixation by legumes using isotopie nitrogen techniques
Abido, Youssef Mohammed Youssef.
Estimation of nitrogen fixation by legumes using isotopie nitrogen techniques [microform] / تقدير الأزوت المثبت بواسطة النباتات البقولية بإستخدام نظير الأزوت ن 15 Youssef Mohammed Youssef Abido. - 1989. - 145, 4 leaves : ill. ; 30 cm.
Thesis (Ph.D.) -- Al-Azhar University, 1989.
Includes bibliographical references (leaves 119-137)
Microfiche.
Cairo, Egypt :
ASUNET,
3 microfiche : negative.
Summary in Arabic.
Nitrogen--Fixation.
Nitrogen-fixing plants.
Legumes.
Nitrogen fertilizers.
Estimation of nitrogen fixation by legumes using isotopie nitrogen techniques [microform] / تقدير الأزوت المثبت بواسطة النباتات البقولية بإستخدام نظير الأزوت ن 15 Youssef Mohammed Youssef Abido. - 1989. - 145, 4 leaves : ill. ; 30 cm.
Thesis (Ph.D.) -- Al-Azhar University, 1989.
Includes bibliographical references (leaves 119-137)
Microfiche.
Cairo, Egypt :
ASUNET,
3 microfiche : negative.
Summary in Arabic.
Nitrogen--Fixation.
Nitrogen-fixing plants.
Legumes.
Nitrogen fertilizers.