Effects of water regime np zn fertilizers, and gypsum application on rice production in north delta soils [microform]/ Said Abou-Zaid Mohamed Genaidy.

By: Publication details: 1984.Description: 208, 7 leaves : ill. ; 30 cmOther title:
  • تأثير الرى ومخصبات النيتروجين والفوسفور والزنك وإضافات الجبس الزراعى على إنتاج الأرز فى أراضى شمال الدلتا [Added title page title]
Subject(s): Dissertation note: Thesis (Ph.D.) -- Alexandria Univesity, 1984.
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