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![]() | The research to the future of the Spanish agriculture Publication year: 1982 Language: Spanish ... Free eBook |
Determination and characterization of areas of large dry herbaceous cultivation in Andalusia. Joaquín Domingo Sanz; Calatrava Requena Publication year: 1980 Language: Spanish In the global analysis of a determined agricultural subsector at the level of the productive structure, or of some of its specific structural aspects, the prior delimitation of the so-called "large-cr... Free eBook |
![]() | Wood´s primers for temporal protection in weathering A.I. García Valcarcel; M.R. Díez Barra Publication year: 1989 Language: Spanish, with brief summary in English This paper studies the behavior of various coating systems (primer-finish) on wood of "Pinus sylvestris L." when confronted with the elements, analyzing the relative importance of the effects of the p... Free eBook |
![]() | Seed production in the forest year during the year 1947-48 and consumption during 1948. Publication year: 1949 Language: Spanish Having gathered the seed production data for the five consecutive forest years (1943-44 to 1947-48) that have already elapsed since the Seed Service was commissioned from the Forest Institute, we have... Free eBook |