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Cassava intercropping in Brazil

By: Contributor(s): Material type: ArticleArticleLanguage: English Description: p. 25-30Subject(s): LOC classification:
  • 12886
In: In: Weber, E., Nestel, B. and Campbell, M. (eds.). Intercropping with cassava: Proceedings of an international workshop held at Trivandrum, India, 27 Nov-1 Dec 1978Summary: Se analiza el sistema de cultivos intercalados con yuca en Brasil. Esta se intercala con frijol, maiz, frijol + maiz, caucho, palma de coco, tabaco + caupi, arroz, algodon y Opuntia sp. Se analiza el incentivo que creo el gobierno para la produccion de yuca al establecer en 1975 el Programa Nacional de Alcohol. Se resumen las investigaciones realizadas por la Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA) y el Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF) en el Brasil. Se describe el expt. realizado en la Estacion Exptl. de Manaus en la region Amazonica, que consistio en 15 sistemas de cultivo intercalado con yuca con combinaciones de arroz, frijol y maiz en un diseno de bloques al azar con 3 repeticiones. Cuando se intercalo yuca con maiz y arroz se disminuyo el rendimiento en 1286 kg de raices frescas/ha en comparacion con la produccion en monocultivo. Sin embargo, cuando se intercalo yuca con frijol se observo el incremento de 2286 kg de raices frescas/ha. Se describe el expt. llevado a cabo por la Empresa de Pesquisa Agropecuaria de Minas Gerais (EPAMIG) y la Escola Superior de Agricultura de Lavras (ESAL) en la Estacion Exptl. Felixlandia en Minas, Gerais, con los siguientes tratamientos: T1 (testigo); T2 (300, 100 y 150 kg de superfosfato simple, cloruro potasico y sulfato de amonio/ha, resp. + 40 kg de aldrin); T3 (T2 + 3 t de cal/ha) y T4 (T2 + 6 t de cal/ha). Los cultivos que se sembraron con yuca fueron: a) frijol, soya, arroz y mani; y b) sorgo y maiz. El mejor rendimiento de yuca se obtuvo con el T2. La adicion de 3 t de cal/ha redujo los rendimientos y estos se redujeron aun mas con la aplicacion de 6 t, excepto para los tratamientos yuca en monocultivo, yuca + mani y yuca + frijol. (CIAT)Summary: Cassava intercropping systems in Brazil are analyzed. Cassava is intercropped with beans, maize, beans + maize, rubber trees, coco palms, tabacco + cowpeas, rice, cotton, and Opuntia sp. The incentive created by the government for cassava production by establishing the National Alcohol Program in 1975 is analyzed. Research activities in Brazil by the Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA) and the Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF) are summarized. The expt. conducted at the Manaus Expl. Station in the Amazon region, consisting of 15 cropping systems of combinations of cassava with, rice, beans, and maize in a random block design with 3 replications, is described, When cassava was intercropped with maize and rice, yields decreased by 1286 kg of fresh roots/ha compared with production in monoculture. However, in cassava/bean systems, an increase of 2286 kg of fresh roots/ha was observed. A description is given of the expt. conducted by the Empresa de Pesquisa Agropecuaria de Minas Gerais (EPAMIG) and the Escola Superior de Agricultura de Lavras (ESAL) at the Felixlandia Exptl. Station in Minas Gerais,utilizing the following treatments: T1 (control); T2 (300, 100 and 150 kg of simple superphosphate, potassium chloride and ammonium sulfate/ha, resp. + 40 kg aldrin); T3 (T2 + 3 t lime/ha) and T4 (T2 + 6 t lime/ha). Crops planted with cassava were (a) beans, soybeans, rice and peanuts, and (b) sorghum and maize. Best cassava yields were obtained with T2. The addition of 3 t lime/ha reduced yields and with 6 t, these were even more reduced, except for the treatments of cassava in monoculture, cassava + peanuts, and cassava + beans. (CIAT)
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Se analiza el sistema de cultivos intercalados con yuca en Brasil. Esta se intercala con frijol, maiz, frijol + maiz, caucho, palma de coco, tabaco + caupi, arroz, algodon y Opuntia sp. Se analiza el incentivo que creo el gobierno para la produccion de yuca al establecer en 1975 el Programa Nacional de Alcohol. Se resumen las investigaciones realizadas por la Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA) y el Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF) en el Brasil. Se describe el expt. realizado en la Estacion Exptl. de Manaus en la region Amazonica, que consistio en 15 sistemas de cultivo intercalado con yuca con combinaciones de arroz, frijol y maiz en un diseno de bloques al azar con 3 repeticiones. Cuando se intercalo yuca con maiz y arroz se disminuyo el rendimiento en 1286 kg de raices frescas/ha en comparacion con la produccion en monocultivo. Sin embargo, cuando se intercalo yuca con frijol se observo el incremento de 2286 kg de raices frescas/ha. Se describe el expt. llevado a cabo por la Empresa de Pesquisa Agropecuaria de Minas Gerais (EPAMIG) y la Escola Superior de Agricultura de Lavras (ESAL) en la Estacion Exptl. Felixlandia en Minas, Gerais, con los siguientes tratamientos: T1 (testigo); T2 (300, 100 y 150 kg de superfosfato simple, cloruro potasico y sulfato de amonio/ha, resp. + 40 kg de aldrin); T3 (T2 + 3 t de cal/ha) y T4 (T2 + 6 t de cal/ha). Los cultivos que se sembraron con yuca fueron: a) frijol, soya, arroz y mani; y b) sorgo y maiz. El mejor rendimiento de yuca se obtuvo con el T2. La adicion de 3 t de cal/ha redujo los rendimientos y estos se redujeron aun mas con la aplicacion de 6 t, excepto para los tratamientos yuca en monocultivo, yuca + mani y yuca + frijol. (CIAT) spa

Cassava intercropping systems in Brazil are analyzed. Cassava is intercropped with beans, maize, beans + maize, rubber trees, coco palms, tabacco + cowpeas, rice, cotton, and Opuntia sp. The incentive created by the government for cassava production by establishing the National Alcohol Program in 1975 is analyzed. Research activities in Brazil by the Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA) and the Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF) are summarized. The expt. conducted at the Manaus Expl. Station in the Amazon region, consisting of 15 cropping systems of combinations of cassava with, rice, beans, and maize in a random block design with 3 replications, is described, When cassava was intercropped with maize and rice, yields decreased by 1286 kg of fresh roots/ha compared with production in monoculture. However, in cassava/bean systems, an increase of 2286 kg of fresh roots/ha was observed. A description is given of the expt. conducted by the Empresa de Pesquisa Agropecuaria de Minas Gerais (EPAMIG) and the Escola Superior de Agricultura de Lavras (ESAL) at the Felixlandia Exptl. Station in Minas Gerais,utilizing the following treatments: T1 (control); T2 (300, 100 and 150 kg of simple superphosphate, potassium chloride and ammonium sulfate/ha, resp. + 40 kg aldrin); T3 (T2 + 3 t lime/ha) and T4 (T2 + 6 t lime/ha). Crops planted with cassava were (a) beans, soybeans, rice and peanuts, and (b) sorghum and maize. Best cassava yields were obtained with T2. The addition of 3 t lime/ha reduced yields and with 6 t, these were even more reduced, except for the treatments of cassava in monoculture, cassava + peanuts, and cassava + beans. (CIAT) eng

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