by Ramos-Santana, R. (University of Puerto Rico.), McDowell, L.R
Published in The Journal of agriculture of the University of Puerto Rico (01.01.1998)

by Ramos-Santana, R. (University of Puerto Rico, Corozal, PR.), Rodriguez, J.E
Published in The Journal of agriculture of the University of Puerto Rico (01.01.1998)

by Martinez-Rodriguez, G.A, Vazquez, M.A, Guzman, J.L, Ramos-Santana, R, Santana, O
Published in The Journal of agriculture of the University of Puerto Rico (01.07.2007)

by Ramos Santana, R, Vazquez, A, McDowell, L.R, Wilkinson, N.S, Macchiavelli, R
Published in Communications in soil science and plant analysis (01.01.2006)

by Ramos Santana, R, Martinez, G, Macchiavelli, R, Rodriguez, J.E, Guzman, J.L
Published in Communications in soil science and plant analysis (01.01.2003)

by Sotomayor-Ramirez, D, Lugo-Ospina, A, Ramos-Santana, R
Published in The Journal of agriculture of the University of Puerto Rico (2004)

by Ramos-Santana, Rafael, McDowell, Lee R.
Published in Journal of plant nutrition (01.06.2000)

by Ruiz, T.M, Ramos-Santana, R, Sotomayor-Rios, A
Published in The Journal of agriculture of the University of Puerto Rico (01.07.2000)

by Santana, R.R, McDowell, R.L
Published in Communications in soil science and plant analysis (01.02.1994)

by Santana Ramos, R, Cianzio, D, Macchiavelli, R, Vazquez, A, Aneses, L
Year of Publication 2006

by Santana Ramos, R, Cianzio, D, Macchiavelli, R, Vazquez, A, Aneses, L
Published in IDEAS Working Paper Series from RePEc (01.01.2006)

by Ramos-Santana, R. (University of Puerto Rico, Rio Piedras, P.R.), Rodriguez-Arroyo, J.E
Published in The Journal of agriculture of the University of Puerto Rico (01.04.1991)

by Ramos Santana R, Rodriguez Arroyo J.E
Published in The Journal of agriculture of the University of Puerto Rico (1992)

by Ramos Santana, R. (Departmento de Agronomia y Suelos), Rodriguez Arroyo, J.E
Published in The Journal of agriculture of the University of Puerto Rico (01.07.1992)