1. Effect of poultry manure on soil physical and chemical properties, growth and grain yield of sorghum in Southwest, Nigeria;Agbede;Am. Eurasian J. Sustain. Agric.,2008
2. Ahlawat, I.P.S., Sharma, R.P., 1993. Agronomic Terminology. 3rd ed. New Delhi: Indian Society of Agronomy. Indian Council Agric. Res. pp. 213.
3. Integrating best management practices for rice with farmers’ crop management techniques: a potential option for minimizing rice yield gap;Alam;Field Crops Res.,2013
4. Role of legumes in cropping systems in the Indo-Gangetic plains of India;Ali,2003
5. Residual/direct effect of phosphorus on wheat and rice under rice–wheat system;Bakhsh;Gomal Univ. J. Res.,2008