Ahonen, J. 1991. Application of Controlled Drainage and Subirrigation in Finland. MSC thesis, Helsinky Univ. of Technology. Lab. Of Water resources Engineering. Espoo. Finland.
2- Alizadeh, A. 2002. Soil, Water, Plant relationship. Astan Gods Razavi Pub., Mashad. Iran. (In Farsi)
3- Evans, R. O., Skaggs, R. W., Gilliam, J. W. 1995. Controlled drainage versus conventional drainage effects on water quality. Journal of Irrigation and Drainage Engineering./July/August, 271-276
4- Ng, H. Y. F. Tan, C. S., Drury, C. F., Gaynor, J. D. 2002. Controlled drainage and subirrigation influences on nitrate loss and corn yield in a sandy loam soil in southwestern Ontario. Agricultural Ecosystems and Environment, Vol. (90), 81-88.
5- Madramootoo, C. A., Broughton, S., Papadopoulos, A. 1992. Water table effects on soybean yield and moisture and nitrate distribution in the soil profile. Proceeding of 6th international drainage symposium, ASAE Pub., 501 pp.
6- Mejia, M. N. 1998. Improved water quality through water table management in eastern Canada. Journal of Irrigation and Drainage Engineering. /March/Aprill, 116-121.
7- Patel, R. M., Prasher, S. O., Donnelly, D., Bonnel R. B., Broughton, R. S. 1999. Subirrigation with brackish water for vegetable production in arid regions. Bioresource Technology. Vol. (70), 33-37.