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	1.	Grassland nitrogen / D.C. Whitehead. by Whitehead, D. C. (David Charles) Publication details: Wallingford : CAB International, c1995 Availability: Items available for loan: Main (1)Call number: S587.5.N5 W45 1995. Place hold Add to cart (remove)
	2.	No cover image available The effect of increasing phosphours concentration in sand culture on nodulation, growth and biological nitrogen fixation by legumes [microform] / Said Abbas Mohammed El-Sayed. by El-Sayed, Said Abbas Mohammed Publication details: 1989 Dissertation note: Thesis (Ph.D.)--Alexandria University,1989. Other title: تأثير التركيزات المتزايدة من الفوسفور علي تكوين العقد والنمو والتثبيت الحيوي بواسطة البقولبات في بيئة رملية. Availability: Items available for loan: Main (1)Call number: THESIS S-8802. Place hold Add to cart (remove)
	3.	No cover image available Effect of salinity and alkalinity on nitrogen fixation by some leguminous crops [microform]/ Mohamed Saleh Khadr. by Khadr,Mohamed Saleh Publication details: 1969 Dissertation note: Thesis (M.S.)--Al-Azhar University,1969. Availability: Items available for loan: Main (1)Call number: THESIS S-2666. Place hold Add to cart (remove)
	4.	No cover image available Microbiological and chemical studies on the rhizosphere of sugar beet plants [computer files]/ Mohy El-Deen Hassan Ahmed Ali. by Ali, Mohy El-Deen Hassan Ahmed Language: English Summary language: Arabic Publication details: 2003 Dissertation note: Thesis (Ph.D.)--Al-Azhar University,2003. Other title: دراسات ميكروبيولوجية و كيميائية على ريزوسفير نباتات بنجر السكر. Online resources: Content & Abstract. Availability: Items available for loan: Main (1)Call number: CD-531. Place hold Add to cart (remove)
	5.	No cover image available Genetic analysis to the efficiency of rhizobium biochemical mutants on the nitrogen fixation in Phaseolus vulgaris [microform] / Mohamed Khafagy Abd El-Rahim Rakha. by Rakha,Mohamed Khafagy Abd El-Rahim Language: English Summary language: Arabic Publication details: 1995 Dissertation note: Thesis (M.S. )-- El-Mansour University, 1995. Other title: التحليل الوراثي لكفاءة الطافرات البيوكيماوية للرايزوبيوم علي تثبيت الأزوت الجوي في الفاصوليا. Availability: Items available for loan: Main (4)Call number: THESIS S-1547, ... Place hold Add to cart (remove)

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