عناصر مشابهة

• Leaching of Some Nutrients in Reclaimed Soils
  بواسطة: El Saadany, Samy Mohamed Mahmoud منشور: (1989)
• Assessment of nitrate level in raw vegetables irrigated by wastewater in Zarqa River area
  بواسطة: Al Jammal, Sofian Hamed Rasheed منشور: (2012)
• Optimal Nitrogen Utilization as Affected by Nitrogen Forms, Plant Spacing and Irrigation Level in Lettuce (Lactuca sativaL.)
  بواسطة: Kharawish, Basel H. منشور: (2002)
• Effect of drip irrigation schedduling and nitrogen fertilization - Fertigation - on Tomato crop in Jordan Valley
  بواسطة: Salahat, Mohammed Ali Ahmed منشور: (1997)
• Soil Pollution with Heavy Metals in Farms along the Upper Course of Zarqa-River
  بواسطة: Al Ghazzawi, Ayman Abd Allah منشور: (2009)