ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING

<!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } --> <p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"><span style="color: #000000;">&l...

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Main Authors: Angela Maria Quintão Lana, Márcio Sampaio Pimentel, Helvécio De-Polli De-Polli
Format: Article
Language:English
Published: Universidade Federal de Goiás 2009-09-01
Series:Pesquisa Agropecuária Tropical
Subjects:
Online Access:http://www.revistas.ufg.br/index.php/pat/article/view/3992
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author Angela Maria Quintão Lana
Márcio Sampaio Pimentel
Helvécio De-Polli De-Polli
author_facet Angela Maria Quintão Lana
Márcio Sampaio Pimentel
Helvécio De-Polli De-Polli
author_sort Angela Maria Quintão Lana
collection DOAJ
description &lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } --&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;A utilização indiscriminada de fertilizantes responde por problemas relacionados à lixiviação e escoamento superficial, tornando mais negativo o balanço energético na olericultura. Por este prisma, a agricultura orgânica busca otimizar a utilização de recursos naturais na propriedade e evitar desperdícios pela adoção de práticas conservacionistas. Dessa forma, dois experimentos de consórcios de alface-cenoura, submetidos a 0 t ha&lt;sup&gt;-1&lt;/sup&gt;, 12 t ha&lt;sup&gt;-1&lt;/sup&gt;, 24 t ha&lt;sup&gt;-1&lt;/sup&gt; e 48 t ha&lt;sup&gt;-1&lt;/sup&gt; de composto orgânico, foram realizados em 2000, no município de Seropédica, RJ, com o objetivo de monitorar os teores de P, K, Ca, Mg e pH, em Argissolo Vermelho-Amarelo. O delineamento experimental foi em blocos ao acaso, com cinco repetições. Os tratamentos foram combinados em esquema de parcela subdividida no tempo, sendo as doses de composto orgânico as parcelas, e as coletas de solo as subparcelas. As coletas de solo foram realizadas na profundidade de 0-10 cm, 15 dias antes da instalação (DAI), 0, 6, 57 e 101 dias após plantio (DAP), no primeiro experimento, e 8 DAI, 1, 6, 60 e 116 DAP, para o segundo experimento. Quando submetido a doses crescentes de composto orgânico, independentemente do composto, P e K responderam às doses, enquanto Ca e Mg foram influenciados pela qualidade do composto. O período de máxima disponibilidade de P, K, Ca e Mg às plantas foi aos 6 DAP, em ambos os experimentos. As maiores correlações foram obtidas em P x Ca, P x Mg e K x Ca e apresentaram variação com a qualidade do composto orgânico.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;PALAVRAS-CHAVE: Dinâmica de nutrientes; fósforo; potássio; adubação orgânica.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;<br>&lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } --&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;Indiscriminate use of fertilizers is responsible for problems as leaching and surface runoff, making more negative the energy balance in agroecosystems. The organic soil management using biological practices avoids waste and optimizes the exploration of natural resources. Two experiments, with intercropped lettuce and carrot and fertilized with organic compost (0 t ha&lt;sup&gt;-1&lt;/sup&gt;, 12 t ha&lt;sup&gt;-1&lt;/sup&gt;, 24 t ha&lt;sup&gt;-1&lt;/sup&gt;, and 48 t ha&lt;sup&gt;-1&lt;/sup&gt;), were conducted in Seropédica, Rio de Janeiro State, Brazil, during the year 2000, to observe P, K, Ca, and Mg levels, and pH in an Ultisol. Twenty treatments were evaluated using a complete randomized block design, with four replications. The treatments were combined as plots split in time, using doses of organic compost as main plots, and five collecting times as split plots. Soil was sampled at 0-10 cm, before and during the experimental period: 15 days before installation (DBI), 0, 6, 57, and 101 days after planting (DAP), in the first experiment, and 8 DBI, 1, 6, 60, and 116 DAP, in the second. P and K reflected the compost doses, independently of compost type, while Ca and Mg were dependent on compost quality. The period of maximum availability of P, K, Ca, and Mg occurred at 6 DAP, for both experiments. Highest correlations occurred between P and Ca, P and Mg, and K and Ca, which were associated with organic compost quality.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;KEY-WORDS: Nutrients dynamics; phosphorus; potassium; organic manure.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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spelling doaj.art-7e079fe017024bb6be1037ce610ec9cd2022-12-21T21:55:34ZengUniversidade Federal de GoiásPesquisa Agropecuária Tropical1983-40632009-09-0139322523210.5216/pat.v39i3.3992ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPINGAngela Maria Quintão LanaMárcio Sampaio PimentelHelvécio De-Polli De-Polli&lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } --&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;A utilização indiscriminada de fertilizantes responde por problemas relacionados à lixiviação e escoamento superficial, tornando mais negativo o balanço energético na olericultura. Por este prisma, a agricultura orgânica busca otimizar a utilização de recursos naturais na propriedade e evitar desperdícios pela adoção de práticas conservacionistas. Dessa forma, dois experimentos de consórcios de alface-cenoura, submetidos a 0 t ha&lt;sup&gt;-1&lt;/sup&gt;, 12 t ha&lt;sup&gt;-1&lt;/sup&gt;, 24 t ha&lt;sup&gt;-1&lt;/sup&gt; e 48 t ha&lt;sup&gt;-1&lt;/sup&gt; de composto orgânico, foram realizados em 2000, no município de Seropédica, RJ, com o objetivo de monitorar os teores de P, K, Ca, Mg e pH, em Argissolo Vermelho-Amarelo. O delineamento experimental foi em blocos ao acaso, com cinco repetições. Os tratamentos foram combinados em esquema de parcela subdividida no tempo, sendo as doses de composto orgânico as parcelas, e as coletas de solo as subparcelas. As coletas de solo foram realizadas na profundidade de 0-10 cm, 15 dias antes da instalação (DAI), 0, 6, 57 e 101 dias após plantio (DAP), no primeiro experimento, e 8 DAI, 1, 6, 60 e 116 DAP, para o segundo experimento. Quando submetido a doses crescentes de composto orgânico, independentemente do composto, P e K responderam às doses, enquanto Ca e Mg foram influenciados pela qualidade do composto. O período de máxima disponibilidade de P, K, Ca e Mg às plantas foi aos 6 DAP, em ambos os experimentos. As maiores correlações foram obtidas em P x Ca, P x Mg e K x Ca e apresentaram variação com a qualidade do composto orgânico.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;PALAVRAS-CHAVE: Dinâmica de nutrientes; fósforo; potássio; adubação orgânica.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;<br>&lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } --&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;Indiscriminate use of fertilizers is responsible for problems as leaching and surface runoff, making more negative the energy balance in agroecosystems. The organic soil management using biological practices avoids waste and optimizes the exploration of natural resources. Two experiments, with intercropped lettuce and carrot and fertilized with organic compost (0 t ha&lt;sup&gt;-1&lt;/sup&gt;, 12 t ha&lt;sup&gt;-1&lt;/sup&gt;, 24 t ha&lt;sup&gt;-1&lt;/sup&gt;, and 48 t ha&lt;sup&gt;-1&lt;/sup&gt;), were conducted in Seropédica, Rio de Janeiro State, Brazil, during the year 2000, to observe P, K, Ca, and Mg levels, and pH in an Ultisol. Twenty treatments were evaluated using a complete randomized block design, with four replications. The treatments were combined as plots split in time, using doses of organic compost as main plots, and five collecting times as split plots. Soil was sampled at 0-10 cm, before and during the experimental period: 15 days before installation (DBI), 0, 6, 57, and 101 days after planting (DAP), in the first experiment, and 8 DBI, 1, 6, 60, and 116 DAP, in the second. P and K reflected the compost doses, independently of compost type, while Ca and Mg were dependent on compost quality. The period of maximum availability of P, K, Ca, and Mg occurred at 6 DAP, for both experiments. Highest correlations occurred between P and Ca, P and Mg, and K and Ca, which were associated with organic compost quality.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt; &lt;p style="margin-bottom: 0cm; font-style: normal; line-height: 120%; text-decoration: none;" lang="pt-BR" align="justify"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;KEY-WORDS: Nutrients dynamics; phosphorus; potassium; organic manure.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;http://www.revistas.ufg.br/index.php/pat/article/view/3992Dinâmica de nutrientesfósforopotássioadubação orgânica
spellingShingle Angela Maria Quintão Lana
Márcio Sampaio Pimentel
Helvécio De-Polli De-Polli
ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING
Pesquisa Agropecuária Tropical
Dinâmica de nutrientes
fósforo
potássio
adubação orgânica
title ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING
title_full ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING
title_fullStr ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING
title_full_unstemmed ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING
title_short ATRIBUTOS QUÍMICOS DO SOLO UTILIZANDO COMPOSTO ORGÂNICO EM CONSÓRCIO DE ALFACE-CENOURA SOIL CHEMICAL ATTRIBUTES USING ORGANIC COMPOST IN LETTUCE-CARROT INTERCROPPING
title_sort atributos quimicos do solo utilizando composto organico em consorcio de alface cenoura soil chemical attributes using organic compost in lettuce carrot intercropping
topic Dinâmica de nutrientes
fósforo
potássio
adubação orgânica
url http://www.revistas.ufg.br/index.php/pat/article/view/3992
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