8498AgriculturaPT1993-07-13 17:53:00BT18094Sector primarioPTNT23721Agricultura colectivaPTNT31205Agricultura de AfricaPTNT18092Agricultura de AmericaPTNT20644Agricultura de AsiaPTNT16968Agricultura de EuropaPTNT13028Agricultura de subsistenciaPTNT23725Agricultura ecológicaPTNT27100Agricultura familiarPTNT23723Agricultura tradicionalPTNT18104AgroindustriaPTNT28818HorticulturaPTNT23772Industria agroalimentariaPTNT32806PlagasPTNT9730Politica agrariaPTRT13522Investigacion agricolaPT