عناصر مشابهة

• POLUTION OF CERTAIN CEREAL FORAGE CROPE WITH FUNGAL PATHOGENS IN EGYPT
  بواسطة: El Sayed, Fawzeia Mohamed Bakheet منشور: (1990)
• Degradation and distribution pattern of certain pestictides on some crops under local conditions minimize the pollution with pesticides in environment\\ 
  بواسطة: Ashoush, Hassan Abdel Latif Hassn منشور: (1991)
• Mycotoxin pollution of wheat grains in egypt\\ 
  بواسطة: Farag, Saleh El Sayed Yousef منشور: (1989)
• The effect of some fresh water pollution on the snail vectors of schistosmiasis in egypt\\ 
  بواسطة: El-Said, Khalil Mohamed  منشور: (1997)
• The effects of the chemical pest control operations in cotton fields on the ecosystem of water sources in treated areas\\ 
  بواسطة: Hatab, Fatma Mohamed El Sayed  منشور: (1990)