Sharif Zia, M

"Impact of Variable Bulk Density of a Krasnozem Soil on Maize Growth" 'Source Title' Proceedings of the international Symposium on Applied Soil Physics in Stress Environment January 22-26, 1989 Islamabad Sharif Zia, M 1990 Soil Environmental Issues and their Impact on Agricultural Productivity of High Potential Areas of Pakistan 'Source Title' Proceedings of International Symposium on Agro-Environmental Issues and Future Strategies: Towards 21st Century, held at University of Agriculture Faisalabad, May 25-30, 1998 Sharif Zia, M 1998