عناصر مشابهة

• Tillage Practices, Frequency of Nitrogen Fertillizer Application and Crop Rotation as they Affect Soil Moisture Storage and Yields
  بواسطة: Al Turshan, Mohammed Abd Elfattah منشور: (1991)
• Effect Of Seed Rate And Nitrogen Application On Wheat Yield
  بواسطة: Gabr, Al Said Mohammed Awad منشور: (1988)
• Effect of Nitrogen Fertilizer on Wheat Production Under Different Crop Rotations Tillage Practices and Crop Residue Management
  بواسطة: Khalaf, Mohamed Mahmoud منشور: (1996)
• Crop response to nitrogen fertilizers in sharkia governorats
  بواسطة: Sharawy, Abd Albaki Ali منشور: (1982)
• Kffect Of Planting Density And Nitrogen Fertilization On Growth And Yield Of Some Maize Varieties
  بواسطة: Gouda, Ahmed Shaher Ahmed منشور: (1982)