1. Department of Agronomy, Ghazi University, Dera Ghazi Khan, Pakistan;
2. Muhammad Nawaz Shareef University of Agriculture, Multan, Pakistan;
3. Department of Agronomy, University of Agriculture Faisalabad, Faisalabad, Pakistan;
4. Department of Soil and Crop Science, Texas A&M University, El Paso, Texas, USA;
5. Department of Agronomy, Muhammad Nawaz Shareef University of Agriculture, Multan, Pakistan;
6. Department of Forestry, Bahauddin Zakariya University, Multan, Pakistan