R. Cárdenas

Influence of P Fertilization on Biological Nitrogen Fixation in Herbaceous Legumes Grown in Acid Savannah Soils from the Tabasco State, Mexico

J. J. Peña-Cabriales, D. J. Palma-López, V. V. Velasco, 2008 .

Nutriotinal quality of irrigated Tanzaniagrass under three post grazed stubbles intensities

M. Corsi, P. M. Santos, M. Balsalobre, 2003 .