182
Moral, R.; Perez-Murcia, M.D; Perez-Espinosa, A.; Moreno-Caselles, J.; Paredes, C.
(2005). Stimation of nutrient values of pig slurries in Shoutheast Spain using easily
determined properties. Waste Manage. 25(7), 719-725.
Poach, M.E.; Hunt, P.G.; Reddy, G.B.; Stone, K.C.; Johnson, M.H.; Grubbs, A. (2004).
Swine wastewater treatment by marsh-pond-marsh constructed wetlands under varying
nitrogen loads. Ecol. Eng. 23(3), 165-175.
Sadzawka, A.; Carrasco, M.; Grez, R.; Mora, M. (2004). Methods of analysis of plant
tissues. Commission standards and accreditation. Chilean Society of Soil Science,
Santiago-Chile.
Sadzawka, A.; Carrasco, M.; Grez, R; Mora, M.; Flores, H.; Neaman A. (2006). Methods of
soil analysis recommended for soils of Chile. Commission standards and accreditation.
Chilean Society of Soil Science, Santiago-Chile.
Szögi, A.A.; Hunt, PG.; Humenik, F.J. (2003). Nitrogen distribution in soil of constructed
wetlands treating lagoon wastewater. Soil Sci. Soc. Am. J. 67, 1943-1951.
