La tierra viva manual de agricultura ecológica
Álvarez Febles, Nelson,
La tierra viva manual de agricultura ecológica Nelson Alvarez Febles. - Ed. 2010. - Universidad Metropolitana, P.R. Nomos 2010. - 282 p. ill. 26 cm.
Includes bibliographical references and index.
0963342932
Agricultural ecology
Ecology
Agriculture -- Environmental aspects -- Ecology.
La tierra viva manual de agricultura ecológica Nelson Alvarez Febles. - Ed. 2010. - Universidad Metropolitana, P.R. Nomos 2010. - 282 p. ill. 26 cm.
Includes bibliographical references and index.
0963342932
Agricultural ecology
Ecology
Agriculture -- Environmental aspects -- Ecology.