1. M. Shafi Nazir:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan
2. R. H. Sahi:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan
3. Ghazanfar Ali:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan
4. M. Saleem:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan