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41.
Effect of water stress and nitrogen fertilization on symbiotic nitrogen fixation by fababeans (Vicia Faba) and soybeans (Glycine Max) [microform] / Mahmoud Mohamed Attia Siad. by
Publication details: 1981
Dissertation note: Thesis (M.S.)-- Alexandira University, 1981.
Availability: Items available for loan: Main (1)Call number: THESIS S-4352.

42.
Interaction between pesticides and Egyptian soils "effect of certain pesticides on soilenzme activities and symbctic nitrogen fixation [microform] / Mokhtar Mohamed Mohamed . by
Publication details: 1986
Dissertation note: Thesis (Ph.D.) -- Alexandria University, 1986.
Other title:
  • التداخل بين مبيدات الأفات و التربة المصرية.
Availability: Items available for loan: Main (1)Call number: THESIS S-7252.

43.
Studies on symbiotic nitrogen fixation [microform] / William Naguib Ghobrial. by
Publication details: 1981
Dissertation note: Thesis (Ph.D.)--Mansoura University, 1981.
Other title:
  • دراسات على تثبيت النيتروجين تكافليا.
Availability: Items available for loan: Main (1)Call number: THESIS S-7270.

44.
Studies on asymbiotic N2-fixing bacteria in the rhizosphere of some major crops [microform] / Hussein Abd-El-Ghany Ame. by
Publication details: 1982
Dissertation note: Thesis (Ph.D.)--Cairo University,1982.
Other title:
  • دراسات على الميكروبات المثبتة للنيتروجين الجوى فى جذور بعض المحاصيل الرئيسية.
Availability: Items available for loan: Main (1)Call number: THESIS S-8201.

45.
Microbiological studies on root-module bacteria and other nitrogen fixers [microform]/ Ali Ahmed Mohamed Omran. by
Publication details: 1989
Dissertation note: Thesis (Ph.D.)--Minia University,1989.
Other title:
  • دراسات ميكروبيولوجية على بكتريا العقد الجذرية وغيرها من الميكروبات المثبتة النيتروجين.
Availability: Items available for loan: Main (1)Call number: THESIS S-8205.

46.
Studies on soil organic manuring and certain genetic aspects of associative nitrogen fixation [microform]/ Mona Mikhail Henein Hanna. by
Publication details: 1994
Dissertation note: Thesis (Ph.D.)--Cairo University,1994.
Other title:
  • دراسات على تأثير التسميد العضوى للتربة وبعض النواحى الوراثية لتثبيت النيتروجين الجوى لاتكافليا.
Availability: Items available for loan: Main (1)Call number: THESIS S-8212.

47.
Genetic control of nitrogen fixation in Rhizobium Trifolii strains [microform] / Samira Mohamed Abdel-Wahab. by
Publication details: 1977
Dissertation note: Thesis (Ph.D.)--Cairo University,1977.
Other title:
  • التحليل الوراثي لتثبيت النيروجين في سلالات من الرايزبيوم ترايفولياي.
Availability: Items available for loan: Main (2)Call number: THESIS S-8454, ...

48.
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
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.

49.
Effect of some fertilizer treatments of pea crop under sandy soil conditions [microform]/ Suzan Abbas Swidan. by Language: English Summary language: Arabic
Publication details: 1995
Dissertation note: Thesis (Ph.D.)--Zagazig University,1995.
Other title:
  • تأثيرالمعاملات السماديه على محصول البسلة تحت ظروف الأراضى الرملية.
Availability: Items available for loan: Main (1)Call number: THESIS S-8895.

50.
Selection of efficient strains of rhizobium leguminosarum with special traits and studying their serological relationship [microform] / Mahmoud AbdEl Maksoud AbdEl Wahab Nasef. by
Publication details: 1995
Dissertation note: Thesis (Ph.D.)--Ain-shams University,1995.
Other title:
  • انتخاب سلالات فعالة من ريوزبيم ليجيوميتوزاريم ذات صفات مميزة ودراسة العلاقة السيرولوجية بينها.
Availability: Items available for loan: Main (1)Call number: THESIS S-9071.

51.
Genetical and sepological studies on (vicia faba) and nitrogen fixing bacteria [microform] / Ola Ahmed Mokhtar EL-Galaly. by
Publication details: 1997
Dissertation note: Thesis (Ph.D.)-- Minufiya University,1997.
Other title:
  • دراسات وراثية وسيرولوجية علي الفول البلدي والبكتيريا المثبتة للآزوت الجوي.
Availability: Items available for loan: Main (1)Call number: THESIS S-9365.

52.
Breeding for efficient nitrogen fixing cultivars of some forage legumes [microform]/ Amal Ahmed Helmy Hosny. by
Publication details: 1998
Dissertation note: Thesis (Ph.D.)--Cairo University,1998.
Other title:
  • التربية لبعض أصناف العلف البقولية ذات الكفاءة العالية فى تثبيت النيتروجين الجوى.
Availability: Items available for loan: Main (1)Call number: THESIS S-9349.

53.
Further studies on rhizobiophages in Egyptian soils [microform] / Magdi Mohamed El-Sawi Mahmoud Ali. by
Publication details: 1998
Dissertation note: Thesis (Ph.D.)--Cairo University,1998.
Other title:
  • دراسات متقدمة عن الريزوبيوفاج في الأراضي المصرية.
Availability: Items available for loan: Main (1)Call number: THESIS S-9744.

54.
Effect of salinity and alkalinity on nitrogen fixation by some leguminous crops [microform]/ Mohamed Saleh Khadr. by
Publication details: 1969
Dissertation note: Thesis (M.S.)--Al-Azhar University,1969.
Availability: Items available for loan: Main (1)Call number: THESIS S-2666.

55.
Response of some economical crop plants to different techniques of inoculation with nitrogen-fixers as an alternative of mineral nitrogenous fertilization [microform]/ Faten Mohy El-Deen Mohamed. by
Publication details: 2000
Dissertation note: Thesis (Ph.D.)--Ain shams University,2000.
Other title:
  • إستجابة بعض المحاصيل الإقتصادية للطرق المختلفة للتلقيح بمثبتات الأزوت كبديل للتسميد الأزوتى المعدنى.
Availability: Items available for loan: Main (1)Call number: THESIS S-2639.

56.
Biochemical investigation on asymbiotic nitrogen-fixing bacteria as a biofertilizer [microform]/ medhat Yamani Abou-Zeid. by
Publication details: 2001
Dissertation note: Thesis (Ph.D.)--Zagazig University,2001.+PDF
Other title:
  • دراسات كيميائية حيوية على البكتريا اللاتكافلية المثبتة للأزوت الجوى كسماد حيوى.
In:
Availability: Items available for loan: Main (1)Call number: THESIS S-7235.

57.
Studies on biological nitrogen fixation for Mungbean [microform]/ Bahgat Abdel Baky Hassouna. by Language: English Summary language: Arabic
Publication details: 2001
Dissertation note: Thesis (Ph.D.)--Minia University, 2001.
Other title:
  • دراسات على التثبيت الحيوى للنيتروجين لمحصول العدس الصيفى.
Availability: Items available for loan: Main (1)Call number: THESIS S-8968.

58.
Studies on biological nitrogen fixation in sesbania [microform]/ Mohamed Kamel Mohamed Mahmoud. by Language: English Summary language: Arabic
Publication details: 2000
Dissertation note: Thesis (M.S.)--Elmansoura University, 2000.
Other title:
  • دراسات على تثبيت النيتروجين حيو يا فى السيسبان.
Availability: Items available for loan: Main (1)Call number: THESIS S-9016.

59.
Effect of using nitrification and urease inhibitors on efficiency and mobility of nitrogen fertilizers under north sinai conditions [computer file]/ Khatab Abd El-Baky Khatab. by Language: English Summary language: Arabic
Publication details: 2005
Dissertation note: Thesis (Ph.D) --Suez Canal University,2005
Other title:
  • ـأثير استخدام مثبطات التأزت واليوريز على حركة وكفاءة الأسمدة الأزوتية تحت ظروف شمال سيناء.
Online resources:
Availability: Items available for loan: Main (1)Call number: CD-1710.

60.
Studies on the role of cyanobacteria in agriculture [computer file]/ Ahmed Abou El-Eoun Taha. by Language: English Summary language: Arabic
Publication details: 2005
Dissertation note: Thesis (M.S. )- Minia University, 2005.
Other title:
  • دراسات على دور السياتوبكتريا فى الزراعة.
Online resources:
Availability: Items available for loan: Main (1)Call number: CD-1810.

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