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	1.	No cover image available Studies on the effect of different nitrogen and phosphours levels on the herbage yield essential ol yield and essential oil centent of Menta piperita [microform] / Zenab Aly Ahmed Aly Abd El-Hafez. by Abd El-Hafez, Zenab Aly Ahmed Aly Publication details: 1989 Dissertation note: Thesis (M.S.)-- Alexandria University, 1989. Availability: Items available for loan: Main (1)Call number: THESIS S-3862. Place hold Add to cart (remove)
	2.	No cover image available Physiological studies on some aromatic and medicinal plants effect of different sources and levels on nitrogen and phsophorus on nigella sativa l. plants [microform]/ Zenab Aly Ahmed Aly Abd El-Hafez. by Abd El-HAfez, Zenab Aly Ahmed Aly Publication details: 1998 Dissertation note: Thesis (Ph.D.)--Alexandria University,1998. Other title: دراسات فسيولوجية على بعض النباتات الطبية و العطرية :تأثير المصادر و المستويات المختلفة من النيتروجين و الفوسفور على نباتات حبة البركة. Availability: Items available for loan: Main (1)Call number: THESIS S-10260. Place hold Add to cart (remove)

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