Subjects: | FOOD PRODUCTION,
WORLD,
CULTIVATED LAND,
TROPICAL ZONES,
SAVANNAS,
MONSOON CLIMATE,
IRRIGATION,
DESERTS,
WELLS,
TEMPERATE ZONES,
YIELDS,
CULTURAL METHODS,
PLANT BREEDING,
ANIMAL PRODUCTION,
GRASSLANDS,
ANIMAL BREEDING,
DISEASE CONTROL,
FISHERIES,
FOOD SUPPLY,
FORESTRY,
PRODUCTION ALIMENTAIRE,
PRODUCCION ALIMENTARIA,
MONDE,
TERRE CULTIVEE,
ZONE TROPICALE,
SAVANE,
CLIMAT DE MOUSSON,
DESERT,
PUITS,
ZONE TEMPEREE,
RENDEMENT,
MODE DE CULTURE,
AMELIORATION DES PLANTES,
PRODUCTION ANIMALE,
HERBAGE,
AMELIORATION DES ANIMAUX,
CONTROLE DE MALADIES,
PECHES,
DISPONIBILITE ALIMENTAIRE,
FORESTERIE,
MUNDO,
TIERRAS CULTIVADAS,
ZONA TROPICAL,
SABANAS,
CLIMA MONZONICO,
RIEGO,
DESIERTOS,
POZOS,
ZONA TEMPLADA,
RENDIMIENTO,
METODOS DE CULTIVO,
FITOMEJORAMIENTO,
PRODUCCION ANIMAL,
PRADERAS,
MEJORAMIENTO ANIMAL,
CONTROL DE ENFERMEDADES,
PESCA,
SUMINISTRO DE ALIMENTOS,
CIENCIAS FORESTALES, |