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Efeito da reducao do preparo do solo sobre o comportamento produtivo da mandioca

By: Contributor(s): Material type: ArticleArticleLanguage: Portuguese Description: 23(6):609-614Subject(s): LOC classification:
  • 36830
 In: Pesquisa Agropecuaria BrasileiraSummary: En un expt. con yuca realizado en un Latosol amarillo de Cruz das Almas, Bahia, Brasil, se compararon dos sistemas de labranza: labranza reducida (preparacion del suelo solo en las hileras de siembra) y labranza convencional (preparacion de toda el area), intercalandose o no la yuca con una leguminosa como abono verde en el primer sistema. El cv. de yuca BGM 001 (Aipim-bravo) sembrado en hileras dobles espaciadas a 2.5 x 0.5 x 0.5 m se cosecho a los 12 meses de la siembra. El diseno exptl. fue completamente al azar y los anos se tomaron como repeticiones. Los resultados despues de cinco anos de cultivo continuo no han mostrado diferencias entre los tratamientos en produccion de raices de yuca, aunque el sistema de labranza reducida disminuyo en 65-75 por ciento los costos de preparacion del suelo, en comparacion con el sistema convencional. (RA-CIAT)Summary: In a cassava (Manihot esculenta Crantz) expt. conducted in a yellow Latosol in Cruz das Almas, BA, Brazil, two tillage systems were compared: reduced tillage (soil preparation only in the planting rows) and conventional tillage (preparation of the whole area), the former being intercropped or not with a legume for green manure. The cassava cv. BGM 001 (Aipim-bravo) planted in a 2.50 m x 0.50 m x 0.50 m double-row spacing was harvested 12 mo. after planting. The exptl. design was completely randomized, and the yr were taken as replications. The results after five yr of continuous cultivation have shown no difference among the treatments for cassava root production, but the reduced tillage system gave a reduction of 65 to 75 percent in the costs of soil preparation, when compared to the conventional system. (AS)
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Journal Article Journal Article CIAT Library Document collection CINFOS Document Collection CINFOS 36830 (Browse shelf(Opens below)) c.1 Short Loan 100056015
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En un expt. con yuca realizado en un Latosol amarillo de Cruz das Almas, Bahia, Brasil, se compararon dos sistemas de labranza: labranza reducida (preparacion del suelo solo en las hileras de siembra) y labranza convencional (preparacion de toda el area), intercalandose o no la yuca con una leguminosa como abono verde en el primer sistema. El cv. de yuca BGM 001 (Aipim-bravo) sembrado en hileras dobles espaciadas a 2.5 x 0.5 x 0.5 m se cosecho a los 12 meses de la siembra. El diseno exptl. fue completamente al azar y los anos se tomaron como repeticiones. Los resultados despues de cinco anos de cultivo continuo no han mostrado diferencias entre los tratamientos en produccion de raices de yuca, aunque el sistema de labranza reducida disminuyo en 65-75 por ciento los costos de preparacion del suelo, en comparacion con el sistema convencional. (RA-CIAT) spa

In a cassava (Manihot esculenta Crantz) expt. conducted in a yellow Latosol in Cruz das Almas, BA, Brazil, two tillage systems were compared: reduced tillage (soil preparation only in the planting rows) and conventional tillage (preparation of the whole area), the former being intercropped or not with a legume for green manure. The cassava cv. BGM 001 (Aipim-bravo) planted in a 2.50 m x 0.50 m x 0.50 m double-row spacing was harvested 12 mo. after planting. The exptl. design was completely randomized, and the yr were taken as replications. The results after five yr of continuous cultivation have shown no difference among the treatments for cassava root production, but the reduced tillage system gave a reduction of 65 to 75 percent in the costs of soil preparation, when compared to the conventional system. (AS) eng

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