7Barnes R. B. , Nelson C. J. , Collins M. & Moore K.J. Forages - an introduction to grassland agriculture Volume 1 (6th ed) [ M]. Iowa State Press, USA, 2003. 被引量:1
8Hopkins A. Grass Its production and utilization (3rd ed) [ M]. Blackwell Science, UK, 2000. 被引量:1
9Grices A. C. & Hodgkinson K. C. Global rangelands Progress artd prospects [ M]. CABI Publishing, UK, 2002. 被引量:1
10Tainton N.. Veld management in South Africa [ M]. University of Natal Press, Pietermaritzburg, 1999. 被引量:1