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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
26/04/2022 |
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Data da última atualização: |
26/04/2022 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
SOUZA, J. M.; COSTA, E. M. |
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Título: |
Methodological proposal to analyze land use and land cover changes: the case of Santa Catarina state in Brazil from 2000 to 2010. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Sustainability in Debate, Brasília, v. 11, n. 3, p. 485-500, 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this paper is to examine land use and land cover changes and to relate it to the potential
driving forces observed in the state of Santa Catarina, Brazil, during the period from 2000 to 2010.
The methodology consists of identifying trends in land use and land cover changes; indicating possible
explanatory factors by means of Principal Component Factor Analysis and elaborating a final typology,
based on Cluster Analysis. Results point to the considerable expansion and increased intensity of
agricultural activity as well as silviculture throughout the state and the loss of native vegetation,
suggesting the need for protective actions and land use and cover regulations, particularly from an
environmental perspective, to frame the development of intensive and mechanized agricultural activity |
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Thesagro: |
Driving forces; LUCC; Principal component factor analysis; Spatial planning. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01417naa a2200181 a 4500
001 1131921
005 2022-04-26
008 2020 bl uuuu u00u1 u #d
100 1 $aSOUZA, J. M.
245 $aMethodological proposal to analyze land use and land cover changes$bthe case of Santa Catarina state in Brazil from 2000 to 2010.$h[electronic resource]
260 $c2020
520 $aThe aim of this paper is to examine land use and land cover changes and to relate it to the potential driving forces observed in the state of Santa Catarina, Brazil, during the period from 2000 to 2010. The methodology consists of identifying trends in land use and land cover changes; indicating possible explanatory factors by means of Principal Component Factor Analysis and elaborating a final typology, based on Cluster Analysis. Results point to the considerable expansion and increased intensity of agricultural activity as well as silviculture throughout the state and the loss of native vegetation, suggesting the need for protective actions and land use and cover regulations, particularly from an environmental perspective, to frame the development of intensive and mechanized agricultural activity
650 $aDriving forces
650 $aLUCC
650 $aPrincipal component factor analysis
650 $aSpatial planning
700 1 $aCOSTA, E. M.
773 $tSustainability in Debate, Brasília$gv. 11, n. 3, p. 485-500, 2020.
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Epagri-Sede (Epagri-Sede) |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
25/11/2020 |
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Data da última atualização: |
25/11/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
AMARANTE, C. V. T.; KATSURAYAMA, J. M.; PEREIRA, A. J.; STEFFENS, C. A. |
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Título: |
Apple orchard spraying with commercial sources of calcium to improve fruit quality. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Acta Horticulturae, Istambul, Turkey, n. 1275, p. 201-206, 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective this work was to evaluate the effects of different sources of preharvest calcium (Ca) sprays on the physico-chemical quality and bitter pit (BP) control of ?Catarina? apple fruit. The experiment was conducted in a commercial orchard in Southern Brazil in 2006/2007. The experiment used a randomized block design with four replicates. The sources of Ca sprayed on the trees were CaCl2 (powder formulation, with two sprays at 0.4% followed by 13 sprays at 0.6%); Cal Super (15 sprays, at the doses of 2, 3 or 4 L ha-1), CalSOL 15 (liquid CaCl2, with 5, 10 or 15 sprays at the dose of de 3 L ha-1) and Coda-Ca-L (10 sprays, at the dose of 1 L ha-1), in addition to CodaSalPlus 2000 applied to the soil (two applications at the dose of 5 L ha-1 and 15 applications at the dose of 2 L ha-1) and the untreated control. The treatments started at the phenological stage J (green fruit) and finished 30 days before fruit harvest, with intervals between treatments of 10 days. Fruit were assessed at harvest for yield, weight, contents of N, P, K, Ca and Mg, starch index, flesh firmness, skin red color, soluble solids content (SSC), titratable acidity (TA) and SSC/TA ratio. The incidence of BP was assessed at harvest, and the severity of BP was assessed at harvest and after five months of cold storage (0-1°C/90-95% RH). Preharvest spraying with different sources of Ca had no significant effect on yield, fruit weight and physico-chemical quality of the fruits at harvest. The control treatment (without Ca) had incidences of BP at harvest of 46%. Preharvest sprayings with CaCl2 (15 sprays) and CalSOL 15 (15 sprays at 3 L ha-1) reduced the incidence of BP at harvest (18.7 and 15.9%, respectively), without significantly changing the fruit contents of Ca, N and K in comparison to the control. The results show that the source of Ca tested did not consistently increase the Ca content in the fruit, and a great efficiency to control BP in ?Catarina? apples was achieved with CaCl2 and CalSOL 15 (10-15 sprays, at 3 L ha-1). MenosThe objective this work was to evaluate the effects of different sources of preharvest calcium (Ca) sprays on the physico-chemical quality and bitter pit (BP) control of ?Catarina? apple fruit. The experiment was conducted in a commercial orchard in Southern Brazil in 2006/2007. The experiment used a randomized block design with four replicates. The sources of Ca sprayed on the trees were CaCl2 (powder formulation, with two sprays at 0.4% followed by 13 sprays at 0.6%); Cal Super (15 sprays, at the doses of 2, 3 or 4 L ha-1), CalSOL 15 (liquid CaCl2, with 5, 10 or 15 sprays at the dose of de 3 L ha-1) and Coda-Ca-L (10 sprays, at the dose of 1 L ha-1), in addition to CodaSalPlus 2000 applied to the soil (two applications at the dose of 5 L ha-1 and 15 applications at the dose of 2 L ha-1) and the untreated control. The treatments started at the phenological stage J (green fruit) and finished 30 days before fruit harvest, with intervals between treatments of 10 days. Fruit were assessed at harvest for yield, weight, contents of N, P, K, Ca and Mg, starch index, flesh firmness, skin red color, soluble solids content (SSC), titratable acidity (TA) and SSC/TA ratio. The incidence of BP was assessed at harvest, and the severity of BP was assessed at harvest and after five months of cold storage (0-1°C/90-95% RH). Preharvest spraying with different sources of Ca had no significant effect on yield, fruit weight and physico-chemical quality of the fruits at harvest. The control trea... Mostrar Tudo |
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Palavras-Chave: |
calcium; fruit; Malus domestica Borkh; mineral content; physiological disorder; postharvest. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02716naa a2200229 a 4500
001 1130318
005 2020-11-25
008 2020 bl uuuu u00u1 u #d
100 1 $aAMARANTE, C. V. T.
245 $aApple orchard spraying with commercial sources of calcium to improve fruit quality.$h[electronic resource]
260 $c2020
520 $aThe objective this work was to evaluate the effects of different sources of preharvest calcium (Ca) sprays on the physico-chemical quality and bitter pit (BP) control of ?Catarina? apple fruit. The experiment was conducted in a commercial orchard in Southern Brazil in 2006/2007. The experiment used a randomized block design with four replicates. The sources of Ca sprayed on the trees were CaCl2 (powder formulation, with two sprays at 0.4% followed by 13 sprays at 0.6%); Cal Super (15 sprays, at the doses of 2, 3 or 4 L ha-1), CalSOL 15 (liquid CaCl2, with 5, 10 or 15 sprays at the dose of de 3 L ha-1) and Coda-Ca-L (10 sprays, at the dose of 1 L ha-1), in addition to CodaSalPlus 2000 applied to the soil (two applications at the dose of 5 L ha-1 and 15 applications at the dose of 2 L ha-1) and the untreated control. The treatments started at the phenological stage J (green fruit) and finished 30 days before fruit harvest, with intervals between treatments of 10 days. Fruit were assessed at harvest for yield, weight, contents of N, P, K, Ca and Mg, starch index, flesh firmness, skin red color, soluble solids content (SSC), titratable acidity (TA) and SSC/TA ratio. The incidence of BP was assessed at harvest, and the severity of BP was assessed at harvest and after five months of cold storage (0-1°C/90-95% RH). Preharvest spraying with different sources of Ca had no significant effect on yield, fruit weight and physico-chemical quality of the fruits at harvest. The control treatment (without Ca) had incidences of BP at harvest of 46%. Preharvest sprayings with CaCl2 (15 sprays) and CalSOL 15 (15 sprays at 3 L ha-1) reduced the incidence of BP at harvest (18.7 and 15.9%, respectively), without significantly changing the fruit contents of Ca, N and K in comparison to the control. The results show that the source of Ca tested did not consistently increase the Ca content in the fruit, and a great efficiency to control BP in ?Catarina? apples was achieved with CaCl2 and CalSOL 15 (10-15 sprays, at 3 L ha-1).
653 $acalcium
653 $afruit
653 $aMalus domestica Borkh
653 $amineral content
653 $aphysiological disorder
653 $apostharvest
700 1 $aKATSURAYAMA, J. M.
700 1 $aPEREIRA, A. J.
700 1 $aSTEFFENS, C. A.
773 $tActa Horticulturae, Istambul, Turkey$gn. 1275, p. 201-206, 2020.
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