EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)

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Main Authors: José Luiz Fernandes Zoby, Eric Scopel, Marcelo Nascimento de Oliveira, Fernando Antônio Macena da Silva, José Humberto Valadares Xavier
Format: Article
Language:English
Published: Universidade Federal de Goiás 2009-01-01
Series:Pesquisa Agropecuária Tropical
Subjects:
Online Access:http://www.revistas.ufg.br/index.php/pat/article/view/3953
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author José Luiz Fernandes Zoby
Eric Scopel
Marcelo Nascimento de Oliveira
Fernando Antônio Macena da Silva
José Humberto Valadares Xavier
author_facet José Luiz Fernandes Zoby
Eric Scopel
Marcelo Nascimento de Oliveira
Fernando Antônio Macena da Silva
José Humberto Valadares Xavier
author_sort José Luiz Fernandes Zoby
collection DOAJ
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mso-paper-source:0;} div.Section1 {page:Section1;} --&gt; &lt;!--[if gte mso 10]&gt; &lt;style&gt;&#13; /* Style Definitions */&#13; table.MsoNormalTable&#13; {mso-style-name:"Tabela normal";&#13; mso-tstyle-rowband-size:0;&#13; mso-tstyle-colband-size:0;&#13; mso-style-noshow:yes;&#13; mso-style-parent:"";&#13; mso-padding-alt:0cm 5.4pt 0cm 5.4pt;&#13; mso-para-margin:0cm;&#13; mso-para-margin-bottom:.0001pt;&#13; mso-pagination:widow-orphan;&#13; font-size:10.0pt;&#13; font-family:"Times New Roman";&#13; mso-ansi-language:#0400;&#13; mso-fareast-language:#0400;&#13; mso-bidi-language:#0400;}&#13; &lt;/style&gt; &lt;![endif]--&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;Este artigo analisa o efeito da introdução do uso do sistema plantio direto (SPD) no cultivo de milho grão sequeiro, em condições de Cerrado, por agricultores familiares de Unaí, MG. As principais limitações para a condução das lavouras desses agricultores relacionam-se ao manejo da fertilidade, precariedade de acesso à mecanização para preparo de solo e alta infestação de plantas daninhas. O SPD foi testado junto a esses agricultores, buscando-se limitar os efeitos desses problemas.  Ele mostrou-se promissor para viabilizar, técnica e economicamente, a produção de milho dos assentados. O plantio direto eliminou a dependência de maquinário para preparo de solo e reduziu a carga de trabalho para controle de plantas daninhas. As produtividades alcançadas possibilitaram a valorização de fatores escassos, tais como a terra e, sobretudo, a mão-de-obra familiar. Evidenciou-se, também, a necessidade de se conduzir mais estudos sobre o uso de plantas de cobertura nesses sistemas de produção.&lt;/p&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt; &lt;/p&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;&lt;span style="text-transform: uppercase;"&gt;&lt;span style="text-transform: uppercase;"&gt;Palavras-chave&lt;/span&gt;&lt;/span&gt;: Agricultura familiar; agricultura conservacionista; plantio direto.&lt;/p&gt;
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spelling doaj.art-9e332543dc5f4a3bb443e8d9a592a8072022-12-21T22:11:09ZengUniversidade Federal de GoiásPesquisa Agropecuária Tropical1983-40632009-01-01391516010.5216/pat.v39i1.3953EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)José Luiz Fernandes ZobyEric ScopelMarcelo Nascimento de OliveiraFernando Antônio Macena da SilvaJosé Humberto Valadares Xavier&lt;!--[if gte mso 9]&gt;&lt;xml&gt; &lt;w:WordDocument&gt; &lt;w:View&gt;Normal&lt;/w:View&gt; &lt;w:Zoom&gt;0&lt;/w:Zoom&gt; &lt;w:HyphenationZone&gt;21&lt;/w:HyphenationZone&gt; &lt;w:PunctuationKerning /&gt; &lt;w:ValidateAgainstSchemas /&gt; &lt;w:SaveIfXMLInvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt; &lt;w:IgnoreMixedContent&gt;false&lt;/w:IgnoreMixedContent&gt; &lt;w:AlwaysShowPlaceholderText&gt;false&lt;/w:AlwaysShowPlaceholderText&gt; &lt;w:Compatibility&gt; &lt;w:BreakWrappedTables /&gt; &lt;w:SnapToGridInCell /&gt; &lt;w:WrapTextWithPunct /&gt; &lt;w:UseAsianBreakRules /&gt; &lt;w:DontGrowAutofit /&gt; &lt;/w:Compatibility&gt; &lt;w:BrowserLevel&gt;MicrosoftInternetExplorer4&lt;/w:BrowserLevel&gt; &lt;/w:WordDocument&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 9]&gt;&lt;xml&gt; &lt;w:LatentStyles DefLockedState="false" LatentStyleCount="156"&gt; &lt;/w:LatentStyles&gt; &lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if !mso]&gt;&lt;object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui&gt;&lt;/object&gt; &lt;style&gt;&#13; st1:*{behavior:url(#ieooui) }&#13; &lt;/style&gt; &lt;![endif]--&gt; &lt;!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --&gt; &lt;!--[if gte mso 10]&gt; &lt;style&gt;&#13; /* Style Definitions */&#13; table.MsoNormalTable&#13; {mso-style-name:"Tabela normal";&#13; mso-tstyle-rowband-size:0;&#13; mso-tstyle-colband-size:0;&#13; mso-style-noshow:yes;&#13; mso-style-parent:"";&#13; mso-padding-alt:0cm 5.4pt 0cm 5.4pt;&#13; mso-para-margin:0cm;&#13; mso-para-margin-bottom:.0001pt;&#13; mso-pagination:widow-orphan;&#13; font-size:10.0pt;&#13; font-family:"Times New Roman";&#13; mso-ansi-language:#0400;&#13; mso-fareast-language:#0400;&#13; mso-bidi-language:#0400;}&#13; &lt;/style&gt; &lt;![endif]--&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;&lt;span lang="EN-US"&gt;This paper evaluates the effects of the introduction of no tillage systems (SPD) in rainfed maize grain production, by smallholders, under &lt;em&gt;Cerrado&lt;/em&gt; conditions, in the region of Unaí, Minas Gerais State, Brazil. The main constraints faced by farmers to produce are related to soil fertility management, difficulties in assessing tractors for preparing their land, and high levels of weed infestation. SPD was tested jointly with farmers trying to decrease these problems impacts. It showed promising results to stabilize, technically and economically, maize production. SPD solved completely the tractors dependency and contributed to decrease labour requirements for weed control. The production levels attained led to a better valorisation of the most scarce production factors, such as family labour and land. It was also evidenced the need to conduct more studies on the use of cover crops in those production systems.&lt;/span&gt;&lt;/p&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;&lt;span lang="EN-US"&gt; &lt;/span&gt;&lt;/p&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;&lt;span style="text-transform: uppercase;"&gt;&lt;span style="text-transform: uppercase;" lang="EN-US"&gt;Key-words&lt;/span&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;: Family farming; conservation agriculture; no-tillage.&lt;/span&gt;&lt;/p&gt; &lt;!--[if gte mso 9]&gt;&lt;xml&gt; &lt;w:WordDocument&gt; &lt;w:View&gt;Normal&lt;/w:View&gt; &lt;w:Zoom&gt;0&lt;/w:Zoom&gt; &lt;w:HyphenationZone&gt;21&lt;/w:HyphenationZone&gt; &lt;w:PunctuationKerning /&gt; &lt;w:ValidateAgainstSchemas /&gt; &lt;w:SaveIfXMLInvalid&gt;false&lt;/w:SaveIfXMLInvalid&gt; &lt;w:IgnoreMixedContent&gt;false&lt;/w:IgnoreMixedContent&gt; &lt;w:AlwaysShowPlaceholderText&gt;false&lt;/w:AlwaysShowPlaceholderText&gt; &lt;w:Compatibility&gt; 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mso-paper-source:0;} div.Section1 {page:Section1;} --&gt; &lt;!--[if gte mso 10]&gt; &lt;style&gt;&#13; /* Style Definitions */&#13; table.MsoNormalTable&#13; {mso-style-name:"Tabela normal";&#13; mso-tstyle-rowband-size:0;&#13; mso-tstyle-colband-size:0;&#13; mso-style-noshow:yes;&#13; mso-style-parent:"";&#13; mso-padding-alt:0cm 5.4pt 0cm 5.4pt;&#13; mso-para-margin:0cm;&#13; mso-para-margin-bottom:.0001pt;&#13; mso-pagination:widow-orphan;&#13; font-size:10.0pt;&#13; font-family:"Times New Roman";&#13; mso-ansi-language:#0400;&#13; mso-fareast-language:#0400;&#13; mso-bidi-language:#0400;}&#13; &lt;/style&gt; &lt;![endif]--&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;Este artigo analisa o efeito da introdução do uso do sistema plantio direto (SPD) no cultivo de milho grão sequeiro, em condições de Cerrado, por agricultores familiares de Unaí, MG. As principais limitações para a condução das lavouras desses agricultores relacionam-se ao manejo da fertilidade, precariedade de acesso à mecanização para preparo de solo e alta infestação de plantas daninhas. O SPD foi testado junto a esses agricultores, buscando-se limitar os efeitos desses problemas.  Ele mostrou-se promissor para viabilizar, técnica e economicamente, a produção de milho dos assentados. O plantio direto eliminou a dependência de maquinário para preparo de solo e reduziu a carga de trabalho para controle de plantas daninhas. As produtividades alcançadas possibilitaram a valorização de fatores escassos, tais como a terra e, sobretudo, a mão-de-obra familiar. Evidenciou-se, também, a necessidade de se conduzir mais estudos sobre o uso de plantas de cobertura nesses sistemas de produção.&lt;/p&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt; &lt;/p&gt; &lt;p class="MsoNormal" style="text-align: justify;"&gt;&lt;span style="text-transform: uppercase;"&gt;&lt;span style="text-transform: uppercase;"&gt;Palavras-chave&lt;/span&gt;&lt;/span&gt;: Agricultura familiar; agricultura conservacionista; plantio direto.&lt;/p&gt;http://www.revistas.ufg.br/index.php/pat/article/view/3953Agricultura familiaragricultura conservacionistaplantio direto.
spellingShingle José Luiz Fernandes Zoby
Eric Scopel
Marcelo Nascimento de Oliveira
Fernando Antônio Macena da Silva
José Humberto Valadares Xavier
EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)
Pesquisa Agropecuária Tropical
Agricultura familiar
agricultura conservacionista
plantio direto.
title EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)
title_full EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)
title_fullStr EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)
title_full_unstemmed EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)
title_short EFFECTS OF THE INTRODUCTION OF DIRECT SEEDED MAIZE PRODUCTION UNDER SMALL SCALE FARMERS CONDITIONS IN UNAÍ, MG (BRAZILIAN CERRADO) EFEITOS DA INTRODUÇÃO DO SISTEMA DE PLANTIO DIRETO DE MILHO POR AGRICULTORES FAMILIARES DO MUNICÍPIO DE UNAÍ, MG (CERRADO BRASILEIRO)
title_sort effects of the introduction of direct seeded maize production under small scale farmers conditions in unai mg brazilian cerrado efeitos da introducao do sistema de plantio direto de milho por agricultores familiares do municipio de unai mg cerrado brasileiro
topic Agricultura familiar
agricultura conservacionista
plantio direto.
url http://www.revistas.ufg.br/index.php/pat/article/view/3953
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