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	1.	No cover image available Effect of salts on symbiotic nitrogen fixation [microform] / by Said Hatem Mohamed Fahmy. by Fahmy, Said Hatem Mohamed Language: English Summary language: Arabic Publication details: 1976 Dissertation note: Thesis (M.S.)-- AL-Azhar University, 1976. Other title: تأثير الأملاح على نشاط البكترية العقدية. Availability: Items available for loan: Main (2)Call number: THESIS S-167, ... Place hold Add to cart (remove)
	2.	No cover image available nitrification in Egyptian soils [microform]/ Rabee Mohamed Ahmed EL-Shahawy. by EL-Shahawy, Rabee Mohamed Ahmed Publication details: 1978 Dissertation note: Thesis (Ph.D )--Cairo University, 1978. Other title: التآزت في الأراضي المصرية Availability: Items available for loan: Main (1)Call number: THESIS S-5665. Place hold Add to cart (remove)
	3.	No cover image available 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 Khatab, Khatab Abd El-Baky 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 access: Content & Abstract. Availability: Items available for loan: Main (1)Call number: CD-1710. Place hold Add to cart (remove)
	4.	Application of nitrogen-fixing systems in soil improvement and management / by Y.A. Hamdi. by Hamdi, Y. A Series: FAO soils bulletin ; 49. Publication details: Rome : Food and Agriculture Organization of the United Nations, 1982 Availability: Items available for loan: Main (1)Call number: ORG SB297.4 H34 1982. Place hold Add to cart (remove)
	5.	Mineral nitrogen in the plant-soil system / R.J. Haynes ; with contributions by K.C. Cameron, K.M. Goh, R.R. Sherlock. by Haynes, R. J Series: Physiological ecologyLanguage: English Publication details: Orlando : Academic Press, 1986 Availability: Items available for loan: Main (1)Call number: QK753.N54 H39 1986. Place hold Add to cart (remove)
	6.	No cover image available Mobility and leaching of nitrogen forms through sandy and calcareous soils as affected by the application of some soil amendments [electronic resource]. by Merwad, A. M. A Awad, E. A. M Mohamed, I. R Dahdouh, S. M. M Language: English Summary language: Arabic Other title: حركه وغسيل صور النيتروجين خلال الأراضى الرمليه والجيرية تحت تأثير إضافة بعض مصلحات التربة. In: Zagazig Journal of agricultural research 2009.v.36(3) Online access: Full Text Article. Availability: No items available. Add to cart (remove)
	7.	No cover image available Improving nitrogen fertilizers efficiency in soil by using nitrification inhibitor (DMPP) [electronic resource]. by Hussein, A. H. A Language: English Summary language: Arabic Other title: تحسين كفاءة السماد النيتروجينى فى التربة بإستخدام مثبط النترتة (DMPP). In: Alexandria Science Exchange Journal 2009.v.30(1) Online access: Full Text Article Availability: No items available. Add to cart (remove)
	8.	No cover image available Nitrification rate in a clay soil as influenced by some n-sources, sulphur and organic matter application [electronic resource]. by Abd El-Fattah, M.S Abd El- Kader, A.A Language: English Summary language: Arabic Other title: معدل انطلاق النترات من بعض مصادر النيتروجين فى الاراضى الطينية وتأثرها باضافة الكبريت والمادة العضوية. In: Egyptian Journal of Soil Science 2004 v .44 (1) Online access: Full Text Article. Availability: No items available. Add to cart (remove)
	9.	No cover image available Maximizing use efficiency of mineral N-fertlllzition for spinach and rocket plants [electronic resources]. by Kany, Marwa A Language: English Summary language: Arabic Other title: تعظيم كفاءة إستخدام التسميد الأزوتى المعدنى لنباتى السبانخ والجرجير. In: Mansoura University Journal of Soil Sciences and Agirucultural Engineering 2011.v.2(9) Online access: Full Text Article. Availability: No items available. Add to cart (remove)
	10.	No cover image available Nitrification of nitrogen fertilizers under saline condition and organic matter supplementation [electronic resource]. by El-Shahawy, R, M Atalla, K. M Language: English Summary language: Arabic Other title: التأزت البيولوجى للأسمدة النيتروجينية المعدنية فى الظرو ف الملحية وإضافات مواد عضوية. In: Agricultural Research Journal, Suez Canal University 2003 v.2 Online access: Full Text Article Availability: No items available. Add to cart (remove)
	11.	No cover image available Integrated effect of mineral and organic nitrogen fertilization in the presence of some nitrification inhibitors on growth, productivity and fruit quality of tomato [electronic resource]. by Kamal, A. M Language: English Summary language: Arabic Other title: التأثير المتكامل للتسميد النيتروجينى المعدنى والعضوى فى وجود بعض مثبطات النترتة على النمو والمحصول وجودة الطماطم. In: Mansoura University Journal of plant production 2012.v.3(6) Online access: Full Text Article. Availability: No items available. Add to cart (remove)
	12.	No cover image available Studies on small aquaculture recycling systems with reference to feed and feeding practices [electronic resource]. by Abdel Rahman, G. A El-Gamal, A. A Abou Basha, I. M Language: English Summary language: Arabic Other title: دراسات عن التظم المغلقة الصغيرى لزراعة الأسماك وأهمية نوع الغذاء وأساليب التغذية In: Zagazig Journal of Agricultural Research 2003.v.30(2) Online access: Full Text Article. Availability: No items available. Add to cart (remove)

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