1. Water and nutrient dynamics of a paddy soil of Bangladesh
2. Nitrogen, Phosphorus and Potassium Losses in a Grazing System with Different Stocking Rates in a Volcanic Soil
3. Allen, R. G., L. S. Pereira, D. Raes, and M. Smith. 1998. Crop evapotranspiration-guidelines for computing crop water requirements. Irrigation and Drainage. Paper No. 56. FAO, Rome, 300(9),pp.1–15.
4. ASL, (Ag source laboratory). 2017. Soil cation exchange capacity, F-16713-17. https://www.agsourcelaboratories.com/Portals/11/Tech%20Bulletins-Ag/Agro%20Cation%20Exchange%20Capacity-F-16713-17.pdf