1. Phosphorus in rice-wheat cropping systems in South Asia;Abrol,1998
2. Effect of slow-release nitrogen and nitrification inhibitors on rice-wheat sequence;Agarwal;Indian J. Agron.,1990
3. Analysing the limitations set by climatic factors, genotype and water and nitrogen availability on productivity of wheat. II. Climatically potential yields and management strategies;Aggarwal;Field Crops Res.,1994
4. Potential Yields of Rice-Wheat Cropping System in the Indo-Gangetic Plains of India;Aggarwal,2000
5. Yield, protein and amino acid composition of wheat grain (Triticum aestivum) as influenced by potash fertilizer;Ahmad;Pak. J. Agric. Res.,1984