1. Anonymous (1980) Official methods of analysis. Association of Official Analytical Communities, Washington D.C
2. Bangar KS, Parmar BB, Maini A (2000) Effect of nitrogen and pressmud application on yield and uptake of N, P and K by sugarcane (Saccharum officinarum L.). Crop Res 19(2):198–203
3. Baskaran L, Ganesh GK, Chidambaram ALA, Sundaramoorthy P (2009) Amelioration of sugar mill effluent polluted soil and its effect of green gram (Vigna radiata L.). Bot Res Int 2(2):131–135
4. Bokhtiar SM, Paul GC, Rashid MA, Rahman ABM (2001) Effect of pressmud and organic nitrogen on soil fertility and yield of sugarcane grown in high Ganges river flood plain soils of Bangladesh. Indian Sugar L1:235–240
5. Charman PEV, Murphy BW (1991) Soils. Their properties and management. Soil conservation handbook for New South Wales. Sydney University Press, Sydney