عناصر مشابهة

• Responses of Soil Fertilization on Nineral Aspects of Citrus Plants
  بواسطة: Al Syada, Samir Ahmed Gaber Mohamed منشور: (1988)
• Effect of soil and water management practices on some crops in sandy soils
  بواسطة: El Mancy, Mohamed Habib Ahmed منشور: (1987)
• Studies on Behaviour and Availability of Zinc In Some Soils of Egypt
  بواسطة: Abd Almaksoud, Mohamed Mohamed Rashad منشور: (1990)
• The Transformation Of UREA In Soils
  بواسطة: Abd Albary, Al Sayed Abd Alnour منشور: (1984)
• A COMPARISON OF NITROGEN FERTILIZER AND ORGANIC MATTER FOR SORGHUM-SOYBEAN ROTATION
  بواسطة: Refay, Yahya Ali منشور: (1983)