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	181.	No cover image available Experimentación agrícola en el Perú precolombino y su factibilidad de reempleo by Earls, John Seminario-taller recuperación de tecnologías nativas: andenes y camellones ( 1-5 juillet 1985 : Lima) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Andenes y camellones en el Perú andino : historia presente y futuro p. 301-330 : ill., graph., tab. Availability: No items available.
	182.	No cover image available Destrucción de andenes en las comunidades de la cuenca del río Cañete by Fonseca Martel, César Seminario-taller recuperación de tecnologías nativas: andenes y camellones ( 1-5 juillet 1985 : Lima) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Andenes y camellones en el Perú andino : historia presente y futuro p. 361-368 Availability: No items available.
	183.	No cover image available El desarrollo agrícola de la sierra peruana y el mercado exterior by Vera la Torre, José Carlos Seminario permanente de investigación agraria, 4 ( 20-23 aot 1991 : Iquitos) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Perú : el problema agrario en debate : SEPIA 4 p. 135-163 : tab. Availability: No items available.
	184.	No cover image available Un sistema de clasificación de suelos y su aplicación en el manejo de cultivos by Gamarra, Jorge Florez, Arturo Series: Comunidades, 102 Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Sistemas propios de manejo de tierras y animales en comunidades campesinas p. 15-49 : graph., tab. Availability: No items available.
	185.	No cover image available Efecto de la humedad y profundidad de roturación sobre la humedad en el suelo al momento de la siembra by Condori, David Herve, Dominique Congreso internacional sobre cultivos andinos, 7 ( 4-8 février 1991 : La Paz) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Actas del VII congreso internacional sobre cultivos andinos p. 311-317 : graph., tab. Availability: No items available.
	186.	No cover image available Evolución del estado superficial entre la roturación y la siembra by Herve, Dominique Condori, David Congreso internacional sobre cultivos andinos, 7 ( 4-8 février 1991 : La Paz) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Actas del VII congreso internacional sobre cultivos andinos p. 319-324 : graph., tab. Availability: No items available.
	187.	No cover image available Efecto de tres formas y dos densidades de siembra en cebada sobre la erosión hídrica de un suelo en el Altiplano by Molina, Patricia Congreso internacional sobre cultivos andinos, 7 ( 4-8 février 1991 : La Paz) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Actas del VII congreso internacional sobre cultivos andinos p. 325-329 : graph., tab. Availability: No items available.
	188.	No cover image available Composición del suelo manejado con agricultura química y con agricultura ecológica by Felipe Morales, Carmen Coordinadora nacional de agricultura ecológica [prés] Encuentro nacional de agricultura ecológica, 1 ( 16-18 aot 1989 : Lima) Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: La agricultura ecológica en el Perú p. 49-52 : ill. Availability: No items available.
	189.	No cover image available Proyecto : uso racional de laderas by Vera Arana, Esteban Universidad nacional del Altiplano Corporación departamental de desarrollo de Puno CORDEPUNO Instituto nacional de investigación y promoción agropecuaria INIPA Congreso internacional de sistemas agropecuarios andinos, 5 ( 10-14 mars 1986 : Puno) Series: Serie Informes técnicos, 9 Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: V Congreso internacional de sistemas agropecuarios andinos p. 500-505 Availability: No items available.
	190.	No cover image available La caracterización ecológica de los trópicos semi-áridos del nordeste de Brasil by Malechek, John Queiroz, Joao de Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Mejorando la crianza de caprinos de carne en el trópico semi-árido p. 1-12 : carte, graph., tab. Availability: No items available.
	191.	No cover image available Inventario y evaluación de los recursos agua, suelo y de infraestructura de riego by Carrasco, Carmen Sáez, Luis Mejía, Juan Grupo permanente de estudio sobre riego Material type: Article; Format: print ; Literary form: Not fiction Language: Spa In: Gestión del agua y crisis institucional : un análisis multidisciplinario del riego en el Perú p. 29-58 : tab. Availability: No items available.
	192.	No cover image available Soils of the eastern amazon region by Silva, Benedito Nelson Rodrigues Carvalho, Joao dos Santos Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 15-41 : tab. Availability: No items available.
	193.	No cover image available Perspectives on the qualitative and quantitative improvement of humus in soils of the eastern amazon region by Silva Martins, Paulo Fernando da Brandino, Zeni Goes Cardoso, Antonio Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 115-118 Availability: No items available.
	194.	No cover image available Methods for monitoring organic matter in soil by Lenthe, Hans-Rudolf Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 119-129 : graph. Availability: No items available.
	195.	No cover image available Qualitative characterization of humic substances of different soils in northeastern Pará by Brandino, Zeni Goes Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 131-140 : graph. Availability: No items available.
	196.	No cover image available The production of litter and its nutrient content in primary forest and capoeira of the eastern amazon region by Dantas, Mario Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 141-155 : tab. Availability: No items available.
	197.	No cover image available Decomposition of organic matter by Denich, Manfred Brandino, Zeni Goes Blum, Erhard Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 157-179 : graph., tab. Availability: No items available.
	198.	No cover image available The effects of mulch in "latossolo amarelo" of the eastern amazon region by Schoeningh, Elmar Burger, Dietrich Stolberg-Wernigerode, Alexander Graf zu Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 181-197 : graph., tab. Availability: No items available.
	199.	No cover image available Utilization of "capoeira" as a source of organic fertilizer by Brasil, Edilson Carvalho Burger, Dietrich Flohrschuetz, Gerhard Hubert Herrmann Lenthe, Hans-Rudolf Stolberg-Wernigerode, Alexander Graf zu Wollersen, Thomas Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 199-216 : graph., tab. Availability: No items available.
	200.	No cover image available Production of organic fertilizers in the alley-cropping system by Burger, Dietrich Brasil, Edilson Carvalho Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 217-236 : graph., tab. Availability: No items available.

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Your search returned 513 results.