cultivo da alface em túneis baixos de agrotêxtil lettuce cultivation in low tunnels of agricultural textile

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ID: 222760
2004
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Abstract
O experimento foi conduzido na horta da ESAM, de março a abril de 2004, com o objetivo de avaliar o desempenho de cultivares da alface em túneis baixos de agrotêxtil. O delineamento experimental utilizado foi de blocos casualizados completos em esquema fatorial 2 x 3, com quatro repetições. Os tratamentos foram constituídos pela combinação de duas cultivares de alface (Tainá e Babá de Verão) e três tipos de cobertura (dois túneis baixos de 50 cm de altura de agrotêxtil branco com gramatura de 13 g/m² e 40 g/m² e sem cobertura). Avaliou-se a altura e diâmetro de plantas, número de folhas por planta, massa seca da parte aérea e produtividade. A cultivar Babá de Verão apresentou melhor desempenho em altura de plantas, número de folhas e produtividade. O túnel baixo de agrotêxtil branco com gramatura de 40 g/m² promoveu maior altura, diâmetro e produtividade de alface.
The yield of lettuce cultivated under low tunnels of agricultural textile was evaluated in Mossoró, Rio Grande do Norte State, Brazil. The experiment was carried out from March to April of 2004, in a randomized complete blocks design with three treatments and four replications. The treatments were: low tunnel (with 50 cm of height) of white agricultural textile with basic weight of 40 g/m²; low tunnel (with 50 cm of height) of white agricultural textile with basic weight of 13 g/m² and control (treatment with no coverage). Evaluations of plant height and diameter, number of leaves per plant, shoot dry matter and yield were done. Cultivar Babá de Verão presented greater plant height, number of leaves per plant and yield. The low tunnel of agricultural textile with basic weight of 40 g/m² presented superior results of plant height, diameter and yield.
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Authors ;Aurélio P. Barros Júnior;Leilson C. Grangeiro;Francisco Bezerra Neto;Maria Zuleide de Negreiros;Jean de O. Souza;Pascalle E. de Azevedo;Damiana Cleuma Medeiros
Journal research on biomedical engineering
Year 2004
DOI
10.1590/S0102-05362004000400028
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362004000400028
Keywords
yieldplant culture soil coverage

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