1. Wheat in the rice-wheat cropping systems of the Punjab: a synthesis of on-farm research results (1984–1988);Aslam,1989
2. Experiments relating to techniques for direct drilling of seeds into untilled dead turf;Baker;J. Agric. Eng. Res.,1976
3. Techniques of overdrilling for the introduction of improved species into temperate grasslands;Baker,1981
4. Technical potentialities of overdrilling for hill pasture improvement and renovation;Baker,1985
5. Dry fertilizer placement in conservation tillage: seed damage in direct drilling (no-tillage);Baker;Soil Tillage Res.,1986