1. M. A. Gill:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan
2. M. R. Hussain:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan
3. T. M. Piracha:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan
4. M. N. Akhtar:
Agronomy Department, University of Agriculture, Faisalabad, Pakistan