Nodulation of Medicago Sativa L. by Different Rhizobium Strains in the Sultanate of Oman ...
El Shafie, Abdulkadir Al Zain.
الناشر :
Muscat، Sultanate of Oman : Sultan Qaboos Journal of Science، 1997مـ.
المصدر :
Sultan Qaboos University، Muscat : Sultanate of Oman.