عناصر مشابهة

• SURFACE BROPERTIES OF PHOSPHATE MATERIALS BY ISOTOPIC EXCHANGE AS AN INDEX TO THEIR PHOSPHORUS AVAILABILTY IN THE SOILS OF EGYPT
  بواسطة: SAMIR IBRAHIM EL BAZ منشور: (1974)
• FORMS OF ORGANIC MATTER AND ITS EFFECT ON PHOSPHORUS MOVEMENT IN CALCAREOUS SOILS
  بواسطة: ASHRAF ABDEL AZIZ SIRRY منشور: (1979)
• STUDY THE ANTAGONIS EFFECT OF THE CALCIUM LEVELS ON ZINC AVAILABILTY
  بواسطة: FATMA EL SAYED RAMADAN EL SHIEKH منشور: (2011)
• The Effect of Nitrogen Phosphorus and Potassium Fertilization On Seed and Oil Yield of Pape Plant
  بواسطة: El Baz, Mahmoud Gaber Mahmoud منشور: (1989)
• INFLUENCE OF NITROGEN AND PHOSPHORUS ON CATION EXCHANGE CAPACITY OF ROOTS AND CATION CONTENT OF PLANT
  بواسطة: ABDEL MOTTALEB MAHROUS SOLIMAN TAG ELDIN منشور: (1980)