[1] Bayoumi,M.A.,1988, Range Im provement in the Arab Countries U ith Special Reference to North Yemen,ABSTRACTS,Third International Rangeland Congress,Vol. II .314-316 New Delhi,India.
[2] Blagoreshehensky G.V, and V.G. Iglovikov, 1985: Characteristics of Grassland Ecosystems and Their Productivity in Temperate and Cold Zones of the USSR ,Proceedings of the XV International Grassland Congress,68-73,Kyoto,Japan.
[3] FAO Production Yearbook ,1986; Vol.39,Rome,Italy.
[4] FAO Production Yearbook,1987,Vol,40,Romc,Italv.
[5] Nitis,I. M.,1985; Present State of Grassland Production and Utilization and Fulure PcrsprW ivrs for Grassland Farming in Humid Tropical Asia,Proceedings of the XV International Grassland Congress 39-94,Kyoto,Japan.
[6] Oizu mi,H.,1985: Contribution of Grassland Science to the Develop meat of Forage Prnduction and Future Perspectives for Grassland Farming In Japan ,Proceedings of XV International Grassland Congress,27-32,Kyoto,Japan.
[7] Pandeya,S,C, 1988; Status of the Indian Rangelands,Presidential Address ,T bird Internalioual RanFeland Congress,New Delhi,India.
[8] Ren JizLou,1984: The Grassland Characteristics and Productivity of East Asia. Proceedings of the workshop on Land Evaluation for Extensive Grazing,43-53,The Netherlands.
[9] Zhu Tingcheng,Li Jiandong and Zu Yuangang,1985:Grassland Resources and Future Development of Grassland Farming in Tem perate China,Procerdings of XV International Grassland Congress, 33-38.Zyoto,Japan.
[10] Zhu Tingcheng and Zu Yuangang,1889;Past,Present and Future Use of the Pastoral Zo::es of Eastern and Central Asia,Proceedings of XVI International Grassland Congress,1725-1729.Nice.France. |