Martin Polo, J.L., Delegación de Agricultura y Ganadería. Salamanca, Spain

• Spanish Journal of Agricultural Research Vol. 1 No. 1 (2003) - Invisible
  Forages resources in "dehesa" system: fertilization, tillage and forage sowing. I. Influence to the environment (soil and vegetation)
  Abstract  PDF
• Spanish Journal of Agricultural Research Vol. 1 No. 1 (2003) - Invisible
  Forages resources in "dehesa" systems: fertilization, tillage, and forage sowing. 2. Productivity and use of rain water
  Abstract  PDF
• Spanish Journal of Agricultural Research Vol. 1 No. 4 (2003) - Invisible
  Plant production and nutritive quality of savannah-like grasslands (dehesas) in semi-arid zones of the province of Salamanca [Spain]
  Abstract  PDF
• Spanish Journal of Agricultural Research Vol. 2 No. 1 (2004) - Invisible
  Meat production on savannah-like grasslands (dehesas) in semi-arid zones of the province of Salamanca [Spain]
  Abstract  PDF