2003
DOI: 10.4025/actasciagron.v25i1.2672
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Produção e renda de mandioquinha-salsa e alface, solteiras e consorciadas, com adubação nitrogenada e cama-de-frangos em cobertura

Abstract: RESUMO. O objetivo do trabalho foi avaliar a produção de plantas de mandioquinhasalsa 'Amarela de Carandaí' e de alface 'Grand Rapids', cultivadas solteiras e consorciadas, com adubação nitrogenada (4,5 g m-2 de N, na forma de uréia) e uso de cama-de-frangos de corte semidecomposta (10,0 t ha-1), como cobertura do solo. Os tratamentos foram alface (A), mandioquinha-salsa (M), AM , AM -nitrogênio (N), AM -cama-de-frangos de corte (CF), AM -N-CF, M-N, M-CF e M-N-CF, arranjados no delineamento experimental de blo… Show more

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Cited by 5 publications
(6 citation statements)
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References 3 publications
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“…Da mesma forma, atua positivamente em relação às propriedades químicas do solo, onde age na melhoria da capacidade de troca de cátions, na redução do alumínio trocável, aumento de macro e micronutrientes disponíveis para as plantas, e na fixação de fosfato, onde a matéria orgânica do solo libera parte do N e P, promovendo aumentos na produção (Silva & Mendonça, 2007). Vieira et al (2003) citam que o uso de resíduos orgânicos deverá estimular, especialmente no início do ciclo da cultura, desenvolvimento adequado da parte aérea, em termos de altura e área foliar.…”
Section: Resultado E Discussãounclassified
“…Da mesma forma, atua positivamente em relação às propriedades químicas do solo, onde age na melhoria da capacidade de troca de cátions, na redução do alumínio trocável, aumento de macro e micronutrientes disponíveis para as plantas, e na fixação de fosfato, onde a matéria orgânica do solo libera parte do N e P, promovendo aumentos na produção (Silva & Mendonça, 2007). Vieira et al (2003) citam que o uso de resíduos orgânicos deverá estimular, especialmente no início do ciclo da cultura, desenvolvimento adequado da parte aérea, em termos de altura e área foliar.…”
Section: Resultado E Discussãounclassified
“…In the second crop of lettuce, for all variables, the obtained averages were significant, being the better results in single growing (Table 5). This shows that in intercropped systems, plants are subject to various types of interactions (Vieira et al, 2003), they are also related to the maintenance of efficiency in the absorption and use of water, nutrients and CO 2 , which can put at risk the productivity of crops (Silva, 1983). The installation of the second crop of lettuce was performed when the other plants of the system were already in advanced stages of development, with higher length, showing that the competition between the plants in systems of multiple cultures is for light rather than water and nutrients (Portes, 1984), a fact noted by the advantage of monoculture on the consortium.…”
Section: Resultsmentioning
confidence: 99%
“…It is estimated that the area cultivated with Peruvian carrot in Brazil is 13,000 ha, with an average productivity of 9.2 t ha -1 (REGHIN et al, 2001). In spite of the high perishability of tuberous or storage roots (MENOLLI et al, 2008), the high prices achieved and the rusticity of the culture have encouraged their culture, mainly in the familiar agriculture system (GRANATE et al, 2007;HEREDIA ZÁRATE et al, 2007;SANTOS, 1997;CARMO, 1998;TOLENTINO JUNIOR et al, 2002;VIEIRA et al, 2003), due to the great involvement of manpower, especially at harvest CARMO, 1998 In situations of limited available areas, plant intercropping becomes an excellent alternative because it allows better soil exploration and an increase in production and income per unit of explored area and time unit (VANDERMEER, 1989). Due to the long cultivation cycle, the intercropping of Peruvian carrot with other plant species could be a solution for properties with area limitations, allowing its cultivation in better areas, an increment in culture yield and the diversification in production and income (HEREDIA ZÁRATE et al, 2007;TOLENTINO JÚNIOR et al, 2002;VIEIRA et al, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…Some research works have been carried out on the intercropping of the Peruvian carrot and other vegetables of smaller size, such as lettuce (VIEIRA et al, 2003), lettuce and beet (TOLENTINO JÚNIOR et al, 2002) and carrot and coriander (HEREDIA ZÁRATE et al, 2007), with positive results in income for the intercropping of Peruvian carrot with lettuce (TOLENTINO JUNIOR et al, 2002;VIEIRA et al, 2003). However, although some producers cultivate Peruvian carrot in the row spacing of coffee plants (CASALI, 1984), its intercropping with coffee plants and other species of larger size lacks scientific information.…”
Section: Introductionmentioning
confidence: 99%