عناصر مشابهة

• Effect of Nitrogen Fertilizer on Wheat Production Under Different Crop Rotations Tillage Practices and Crop Residue Management
  بواسطة: Khalaf, Mohamed Mahmoud منشور: (1996)
• The Fertilizing Value For Some Organic Manures
  بواسطة: Zedain, Mohammed Ebrahim Al Sayed منشور: (1982)
• Lentil residue and nitrogen application effects on suceeding barely crop
  بواسطة: Nanish, Nidal M. A. H. منشور: (1989)
• Kffect Of Planting Density And Nitrogen Fertilization On Growth And Yield Of Some Maize Varieties
  بواسطة: Gouda, Ahmed Shaher Ahmed منشور: (1982)
• 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)