Indicadores da qualidade do solo em função do uso da terra
Autor(a) principal: | |
---|---|
Data de Publicação: | 2017 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional Manancial UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/11579 |
Resumo: | Land-use change (LUC) or land use has been largely responsible for a large part of carbon dioxide emissions and soil degradation. The increased demand for bioenergy has led to the expansion of sugarcane areas in the south-central region, especially in areas previously used as pasture, and increased demand for food has expanded the use of marginal soils (i.e, sandy). In this way, the native vegetation gave place to the areas with pastures and, later, the transformed pastures in fields for the production of grains or bioenergy. However, despite the high positive economic impact for the country through the production of soybeans and sugarcane, it is not known how this LUC is affecting the resources and the quality of the soil. For this, in this work the indicators to evaluate soil quality under different land uses in the tropical transition region of southern Brazil were measured. Four land uses (native vegetation, pasture, sugarcane, and soybean) were evaluated in three sites with different soil conditions. The hypothesis tested in this study was that intensification of agriculture through pasture management, soybean cultivation under no-tillage system (NT), integrated crop-livestock system (ICLS) and sugarcane improved soil quality. Soil samples were collected in three layers (0.0 - 0.10, 0.10 - 0.20, 0.20 -0.30 m) in Londrina, Santo Inácio and São Jorge do Ivaí, northern- PR- Brazil. Physical, chemical, biological attributes, stocks of carbon and nitrogen were analyzed in the laboratory. A Soil Quality Index (SQI) was also calculated using the Soil Management Assessment Framework (SMAF). The results point to the enormous potential of soil carbon sequestration through NT, ICLS and pasture management, especially in the marginal areas in the process of agricultural expansion in Brazil. In addition, it was concluded that land use with soybean and sugarcane does not induce physical and chemical degradation of the soil in relation to pasture, but the low carbon and nitrogen inventory in the soil, and the lower SQI, the expansion of sugarcane should be avoided in sandy soils. |
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2017-08-28T12:45:31Z2017-08-28T12:45:31Z2017-03-31http://repositorio.ufsm.br/handle/1/11579Land-use change (LUC) or land use has been largely responsible for a large part of carbon dioxide emissions and soil degradation. The increased demand for bioenergy has led to the expansion of sugarcane areas in the south-central region, especially in areas previously used as pasture, and increased demand for food has expanded the use of marginal soils (i.e, sandy). In this way, the native vegetation gave place to the areas with pastures and, later, the transformed pastures in fields for the production of grains or bioenergy. However, despite the high positive economic impact for the country through the production of soybeans and sugarcane, it is not known how this LUC is affecting the resources and the quality of the soil. For this, in this work the indicators to evaluate soil quality under different land uses in the tropical transition region of southern Brazil were measured. Four land uses (native vegetation, pasture, sugarcane, and soybean) were evaluated in three sites with different soil conditions. The hypothesis tested in this study was that intensification of agriculture through pasture management, soybean cultivation under no-tillage system (NT), integrated crop-livestock system (ICLS) and sugarcane improved soil quality. Soil samples were collected in three layers (0.0 - 0.10, 0.10 - 0.20, 0.20 -0.30 m) in Londrina, Santo Inácio and São Jorge do Ivaí, northern- PR- Brazil. Physical, chemical, biological attributes, stocks of carbon and nitrogen were analyzed in the laboratory. A Soil Quality Index (SQI) was also calculated using the Soil Management Assessment Framework (SMAF). The results point to the enormous potential of soil carbon sequestration through NT, ICLS and pasture management, especially in the marginal areas in the process of agricultural expansion in Brazil. In addition, it was concluded that land use with soybean and sugarcane does not induce physical and chemical degradation of the soil in relation to pasture, but the low carbon and nitrogen inventory in the soil, and the lower SQI, the expansion of sugarcane should be avoided in sandy soils.A mudança de uso da terra (MUT), ou o uso da terra, tem sido responsável, globalmente, por grande parte das emissões de dióxido de carbono e pela degradação do solo. O aumento da demanda por bioenergia, tem ocasionado a expansão das áreas de cana-de-açúcar na região centro sul, principalmente em áreas que anteriormente eram usadas como pastagem, e o aumento da demanda por alimentos tem expandido as áreas de produção de grãos para solos marginais (ou seja, arenosos). Desta forma, a vegetação nativa deu lugar às áreas com pastagens e, posteriormente, as pastagens transformadas em lavouras para a produção de grãos ou bioenergia. Contudo, apesar do alto impacto econômico positivo para o país através da produção da soja e da cana-de-açúcar, não se tem conhecimento de como esta MUT está afetando os recursos e a qualidade do solo. Para isto, neste trabalho mensuramos indicadores para avaliar a qualidade do solo sob diferentes usos na região de transição tropical no Sul do Brasil. Foram avaliados quatro usos da terra (vegetação nativa, pastagem, cultivo com cana-de-açúcar e cultivo com soja) em três locais com condições de solo distintas. A hipótese testada neste trabalho foi que a intensificação da agricultura através do manejo das pastagens, do cultivo da soja em sistema plantio direto (SPD), integração lavoura pecuária (ILP) e da cana-de-açúcar melhoram a qualidade do solo. Amostras de solo foram coletadas em três camadas (0,0 – 0,10; 0,10 – 0,20; e 0,20 – 0,30 m) nos municípios de Londrina, Santo Inácio e São Jorge do Ivaí, região norte do PR. Foram analisados, em laboratório, atributos físicos, químicos, biológicos, estoques de carbono e nitrogênio do solo. Também foi calculado um índice de qualidade do solo (IQS) através da Soil Management Assessment Framework (SMAF). Os resultados apontam enorme potencial de sequestro de carbono no solo através do SPD, ILP e manejo das pastagens, principalmente nas áreas marginais em processo de expansão da agricultura no Brasil. Além disso, concluiu-se que o uso da terra com soja e cana-de-açúcar não induz degradação física e química do solo em relação a pastagem, porém o baixo estoque de carbono e nitrogênio no solo, e o menor IQS, orientam que a expansão da cana-de-açúcar deve ser evitada em solos arenosos.porUniversidade Federal de Santa MariaUFSM Frederico WestphalenPrograma de Pós-Graduação em Medicina VeterináriaUFSMBrasilMedicina VeterináriaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessSistema plantio diretoIntegração lavoura-pecuáriaCarbono orgânico do soloSoil management assessment frameworkNo-tillageIntegrated crop- livestock systemSoil organic carbonCNPQ::CIENCIAS AGRARIAS::AGRONOMIAIndicadores da qualidade do solo em função do uso da terraSoil quality indicators in function of the land useinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisSilva, Vanderlei Rodrigues dahttp://lattes.cnpq.br/7941766438504530Mallmann, Fabio Joel Kochemhttp://lattes.cnpq.br/3193437805018266Cherubin, Mauricio Robertohttp://lattes.cnpq.br/5804627494380130http://lattes.cnpq.br/4603069391625727Luz, Felipe Bonini500100000009600f5fff142-7306-4c56-886d-c472944117c77aaaccd6-afe0-4e95-9033-b6a7734aa8daabd4b9e5-cb9e-47f4-b946-762bd097f2bc478d1c61-fccc-4ebe-bbf9-ee53ed6a1a46reponame:Repositório Institucional Manancial UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALLuz, Felipe Bonini da.pdfLuz, Felipe Bonini da.pdfDissertação de Mestradoapplication/pdf1532592http://repositorio.ufsm.br/bitstream/1/11579/1/Luz%2c%20Felipe%20Bonini%20da.pdfe3ea97a1d67377c5242298b372395795MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Indicadores da qualidade do solo em função do uso da terra |
dc.title.alternative.eng.fl_str_mv |
Soil quality indicators in function of the land use |
title |
Indicadores da qualidade do solo em função do uso da terra |
spellingShingle |
Indicadores da qualidade do solo em função do uso da terra Luz, Felipe Bonini Sistema plantio direto Integração lavoura-pecuária Carbono orgânico do solo Soil management assessment framework No-tillage Integrated crop- livestock system Soil organic carbon CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Indicadores da qualidade do solo em função do uso da terra |
title_full |
Indicadores da qualidade do solo em função do uso da terra |
title_fullStr |
Indicadores da qualidade do solo em função do uso da terra |
title_full_unstemmed |
Indicadores da qualidade do solo em função do uso da terra |
title_sort |
Indicadores da qualidade do solo em função do uso da terra |
author |
Luz, Felipe Bonini |
author_facet |
Luz, Felipe Bonini |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Silva, Vanderlei Rodrigues da |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7941766438504530 |
dc.contributor.referee1.fl_str_mv |
Mallmann, Fabio Joel Kochem |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/3193437805018266 |
dc.contributor.referee2.fl_str_mv |
Cherubin, Mauricio Roberto |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/5804627494380130 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/4603069391625727 |
dc.contributor.author.fl_str_mv |
Luz, Felipe Bonini |
contributor_str_mv |
Silva, Vanderlei Rodrigues da Mallmann, Fabio Joel Kochem Cherubin, Mauricio Roberto |
dc.subject.por.fl_str_mv |
Sistema plantio direto Integração lavoura-pecuária Carbono orgânico do solo Soil management assessment framework |
topic |
Sistema plantio direto Integração lavoura-pecuária Carbono orgânico do solo Soil management assessment framework No-tillage Integrated crop- livestock system Soil organic carbon CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.eng.fl_str_mv |
No-tillage Integrated crop- livestock system Soil organic carbon |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
description |
Land-use change (LUC) or land use has been largely responsible for a large part of carbon dioxide emissions and soil degradation. The increased demand for bioenergy has led to the expansion of sugarcane areas in the south-central region, especially in areas previously used as pasture, and increased demand for food has expanded the use of marginal soils (i.e, sandy). In this way, the native vegetation gave place to the areas with pastures and, later, the transformed pastures in fields for the production of grains or bioenergy. However, despite the high positive economic impact for the country through the production of soybeans and sugarcane, it is not known how this LUC is affecting the resources and the quality of the soil. For this, in this work the indicators to evaluate soil quality under different land uses in the tropical transition region of southern Brazil were measured. Four land uses (native vegetation, pasture, sugarcane, and soybean) were evaluated in three sites with different soil conditions. The hypothesis tested in this study was that intensification of agriculture through pasture management, soybean cultivation under no-tillage system (NT), integrated crop-livestock system (ICLS) and sugarcane improved soil quality. Soil samples were collected in three layers (0.0 - 0.10, 0.10 - 0.20, 0.20 -0.30 m) in Londrina, Santo Inácio and São Jorge do Ivaí, northern- PR- Brazil. Physical, chemical, biological attributes, stocks of carbon and nitrogen were analyzed in the laboratory. A Soil Quality Index (SQI) was also calculated using the Soil Management Assessment Framework (SMAF). The results point to the enormous potential of soil carbon sequestration through NT, ICLS and pasture management, especially in the marginal areas in the process of agricultural expansion in Brazil. In addition, it was concluded that land use with soybean and sugarcane does not induce physical and chemical degradation of the soil in relation to pasture, but the low carbon and nitrogen inventory in the soil, and the lower SQI, the expansion of sugarcane should be avoided in sandy soils. |
publishDate |
2017 |
dc.date.accessioned.fl_str_mv |
2017-08-28T12:45:31Z |
dc.date.available.fl_str_mv |
2017-08-28T12:45:31Z |
dc.date.issued.fl_str_mv |
2017-03-31 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/11579 |
url |
http://repositorio.ufsm.br/handle/1/11579 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500100000009 |
dc.relation.confidence.fl_str_mv |
600 |
dc.relation.authority.fl_str_mv |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria UFSM Frederico Westphalen |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Medicina Veterinária |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Medicina Veterinária |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria UFSM Frederico Westphalen |
dc.source.none.fl_str_mv |
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