by Rafiq, M.K. (Pakistan Agricultural Research Council, Islamabad (Pakistan). Directorate of Range Management and Forestry), Afzal, J. (National Agricultural Research Centre, Islamabad (Pakistan). Rangeland Research Inst.), Jasra, A.W. (Pakistan Agricultural Research Council, Islamabad (Pakistan). Directorate of Range Management and Forestry), Ahmad, I. (Pakistan Agricultural Research Council, Islamabad (Pakistan). Directorate of Range Management and Forestry), Khan, T.N. (National Agricultural Research Centre, Islamabad (Pakistan). Horticultural Research Inst.), Farooq, M.U
Published in International journal of agriculture and biology (01.11.2010)