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Competicao de epocas de corte em mandioca (Manihot esculenta Crantz)

By: Contributor(s): Material type: Continuing resourceContinuing resourceLanguage: Portuguese Series: Comunicado técnico no. 14Publication details: Cruz das Almas, BR Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF) 1980Description: 4 pSubject(s): LOC classification:
  • 15753
Summary: Entre 1971-74 se realizaron 3 expt. en la Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA)/Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF), Brasil, para evaluar 3 epocas de cosecha a diferentes intervalos (todos comenzando a los 4 meses de la siembra) y determinar cual de ellas presenta un mayor rendimiento de materia verde/unidad de area. Se utilizo un diseno de bloques al azar con 3 tratamientos y 6 repeticiones; el cv. utilizado fue Milagrosa y los tratamientos se distribuyeron asi: A) corte a los 4, 8 y 12 meses; B) corte a los 4, 7, 10 y 13 meses y C) corte a los 4, 7 y 12 meses. Segun los resultados de los 3 expt. la produccion de ramas (t/ha) no fue significativa para los factores expt. y tratamientos en forma; pero la produccion de ramas en la interaccion expt. x tratamiento fue significativa al nivel del 5 por ciento, lo cual indica que hay un aumento en la produccion de ramas causado por el efecto simultaneo expt. y tratamiento. Se concluye que en los 3 anos la productividad de los tratamientos no difirio entre si, a pesar de que el tratamiento A presento mayor aumento de productividad. (CIAT)Summary: Between 1971-74, three expt. were conducted at the Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA)/Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF), Brazil to assess 3 harvest times at different intervals (all beginning 4 mo. after planting) and determine which one has the highest yield of green material/unit of area. A random block design was used with 3 treatments and 6 replications; cv. Milagrosa was used and treatments were distributed as follows: (A) cut at 4, 8, and 12 mo.; (B) cut at 4, 7, 10, and 13 mo.; and (C) cut at 4, 7, and 12 mo. According to the results of the 3 expt. branch production (t/ha) was not significant for the factors expt. and treatments independently; however, branch production in the interaction expt. x treatment was significant at a 5 percent level of significance, indicating an increase in branch production caused by the simultaneous effect expt. x treatment. It is concluded that in 3 yr the productivity of the treatments did not differ among themselves in spite of the fact that treatment A had a greater increase in productivity. (CIAT)
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Item type Current library Collection Call number Copy number Status Date due Barcode Item holds
Books Books CIAT Library Document collection CINFOS Document Collection CINFOS 15753 (Browse shelf(Opens below)) c.1 Short Loan 100045566
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Entre 1971-74 se realizaron 3 expt. en la Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA)/Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF), Brasil, para evaluar 3 epocas de cosecha a diferentes intervalos (todos comenzando a los 4 meses de la siembra) y determinar cual de ellas presenta un mayor rendimiento de materia verde/unidad de area. Se utilizo un diseno de bloques al azar con 3 tratamientos y 6 repeticiones; el cv. utilizado fue Milagrosa y los tratamientos se distribuyeron asi: A) corte a los 4, 8 y 12 meses; B) corte a los 4, 7, 10 y 13 meses y C) corte a los 4, 7 y 12 meses. Segun los resultados de los 3 expt. la produccion de ramas (t/ha) no fue significativa para los factores expt. y tratamientos en forma; pero la produccion de ramas en la interaccion expt. x tratamiento fue significativa al nivel del 5 por ciento, lo cual indica que hay un aumento en la produccion de ramas causado por el efecto simultaneo expt. y tratamiento. Se concluye que en los 3 anos la productividad de los tratamientos no difirio entre si, a pesar de que el tratamiento A presento mayor aumento de productividad. (CIAT) spa

Between 1971-74, three expt. were conducted at the Empresa Brasileira de Pesquisa Agropecuaria (EMBRAPA)/Centro Nacional de Pesquisa de Mandioca e Fruticultura (CNPMF), Brazil to assess 3 harvest times at different intervals (all beginning 4 mo. after planting) and determine which one has the highest yield of green material/unit of area. A random block design was used with 3 treatments and 6 replications; cv. Milagrosa was used and treatments were distributed as follows: (A) cut at 4, 8, and 12 mo.; (B) cut at 4, 7, 10, and 13 mo.; and (C) cut at 4, 7, and 12 mo. According to the results of the 3 expt. branch production (t/ha) was not significant for the factors expt. and treatments independently; however, branch production in the interaction expt. x treatment was significant at a 5 percent level of significance, indicating an increase in branch production caused by the simultaneous effect expt. x treatment. It is concluded that in 3 yr the productivity of the treatments did not differ among themselves in spite of the fact that treatment A had a greater increase in productivity. (CIAT) eng

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