عناصر مشابهة

• Studies On Microorganisms Fixing Atmospheric Nitrogen
  بواسطة: Anber, Hamdy Ahmed منشور: (1991)
• Studies On Enzyme Production By Some Microorganisms
  بواسطة: Ibrahim, Walaa Yaheia Mortada منشور: (1991)
• Evaluating the availability of organic nitrogen in soils
  بواسطة: Romaih, Saleh M. منشور: (1975)
• Studies On The Symbiotic Nitrogen Fixation By Root-Nodule Bacteria Of Lentil Plants (Lens Esculenta)
  بواسطة: Iskandar, Mohamed Hussien Mohamed منشور: (1990)
• THE EFFECT OF SOIL MICROFLORA ON THE BIOLOGY OF MACROPHOMINA PHASEOUNA (TASSI) GOlD
  بواسطة: Sunboul, Yahya Hamza منشور: (1990)