1. Is it all grey?;Jamwal;Down Earth,2003
2. Use of flyash and biogas slurry for improving wheat yield and physical properties of soil;Garg;Environ Monit Assess,2005
3. Available from: http://www.tifac.org.in [accessed 26.07.08].
4. Flyash characterization, utilization and government initiatives in India – a review;Dhadse;J Sci Ind Res,2008
5. Evaluation of graded doses of flyash and fertilizers on nutrient content and uptake of groundnut grown on vertisol;Kuchanwar;J Soils Crops,1997