Foliar spray of silica improved water stress tolerance in rice (Oryza sativa L.) cultivars oleh Samira A. F. El-Okkiah, Mohamed M. El-Afry, Safaa A. Shehab Eldeen, Amira M. El-Tahan, Omar M. Ibrahim, Mostafa M. Negm, Mohamad Alnafissa, Mohamed T. El-Saadony, Hessa M. R. S. Almazrouei, Synan F. AbuQamar, Khaled A. El-Tarabily, Khaled A. El-Tarabily, Khaled A. El-Tarabily, Dalia A. Selim