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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
02/06/2003 |
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Data da última atualização: |
02/06/2003 |
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Autoria: |
ALMEIDA, A. M. R.; AMORIM, L.; BERGAMIN FILHO, A.; TORRES, E.; FARIAS, J. R. B.; BENATO, L. C.; PINTO, M. C.; VALENTIM, N. |
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Título: |
Progress of soybean charcoal rot under tillage and no-tillage systems in Brazil. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Fitopatologia Brasileira, Brasília, v. 28, n. 2, p. 131-135, mar.abr. 2003. |
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Idioma: |
Inglês |
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Conteúdo: |
The increase in incidence of charcoal rot caused by Macrophomina phaseolina on soybeans (Glycine max) was followed four seasons in conventional and no-till cropping systems. In the 1997/98 and 2000/01 seasons, total precipitation between sowing and harvest reached 876.3 and 846.9 mm, respectively. For these seasons, disease incidence did not differ significantly between the no-till and conventional systems. In 1998/99 and 1999/00 precipitation totaled 689.9 and 478.3 mm, respectively. In 1998/99, in the no-till system, the disease incidence was 43.7% and 53.1% in the conventional system. In 1999/00 the final incidence was 68.7% and 81.2% for the no-till and conventional systems, respectively. For these two seasons, precipitation was lower than that required for soybean crops (840 mm), and the averages of disease incidence were significantly higher in the conventional system. The concentration of microsclerotia in soil samples was higher in samples collected in conventional system at 0 - 10 cm depth. However, analysis of microsclerotia in roots showed that in years with adequate rain no difference was detected. In dry years, however, roots from plants developed under the conventional system had significantly more microsclerotia. Because of the wide host range of M. phaseolina and the long survival times of the microsclerotia, crop rotation would probably have little benefit in reducing charcoal rot. Under these study conditions it may be a better alternative to suppress charcoal rot by using the no-till cropping system to conserve soil moisture and reduce disease progress. MenosThe increase in incidence of charcoal rot caused by Macrophomina phaseolina on soybeans (Glycine max) was followed four seasons in conventional and no-till cropping systems. In the 1997/98 and 2000/01 seasons, total precipitation between sowing and harvest reached 876.3 and 846.9 mm, respectively. For these seasons, disease incidence did not differ significantly between the no-till and conventional systems. In 1998/99 and 1999/00 precipitation totaled 689.9 and 478.3 mm, respectively. In 1998/99, in the no-till system, the disease incidence was 43.7% and 53.1% in the conventional system. In 1999/00 the final incidence was 68.7% and 81.2% for the no-till and conventional systems, respectively. For these two seasons, precipitation was lower than that required for soybean crops (840 mm), and the averages of disease incidence were significantly higher in the conventional system. The concentration of microsclerotia in soil samples was higher in samples collected in conventional system at 0 - 10 cm depth. However, analysis of microsclerotia in roots showed that in years with adequate rain no difference was detected. In dry years, however, roots from plants developed under the conventional system had significantly more microsclerotia. Because of the wide host range of M. phaseolina and the long survival times of the microsclerotia, crop rotation would probably have little benefit in reducing charcoal rot. Under these study conditions it may be a better alternative to suppress charc... Mostrar Tudo |
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Categoria do assunto: |
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URL: |
https://www.scielo.br/pdf/fb/v28n2/a02v28n2.pdf
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Marc: |
LEADER 02192naa a2200205 a 4500
001 1450160
005 2003-06-02
008 2003 bl uuuu u00u1 u #d
100 1 $aALMEIDA, A. M. R.
245 $aProgress of soybean charcoal rot under tillage and no-tillage systems in Brazil.
260 $c2003
520 $aThe increase in incidence of charcoal rot caused by Macrophomina phaseolina on soybeans (Glycine max) was followed four seasons in conventional and no-till cropping systems. In the 1997/98 and 2000/01 seasons, total precipitation between sowing and harvest reached 876.3 and 846.9 mm, respectively. For these seasons, disease incidence did not differ significantly between the no-till and conventional systems. In 1998/99 and 1999/00 precipitation totaled 689.9 and 478.3 mm, respectively. In 1998/99, in the no-till system, the disease incidence was 43.7% and 53.1% in the conventional system. In 1999/00 the final incidence was 68.7% and 81.2% for the no-till and conventional systems, respectively. For these two seasons, precipitation was lower than that required for soybean crops (840 mm), and the averages of disease incidence were significantly higher in the conventional system. The concentration of microsclerotia in soil samples was higher in samples collected in conventional system at 0 - 10 cm depth. However, analysis of microsclerotia in roots showed that in years with adequate rain no difference was detected. In dry years, however, roots from plants developed under the conventional system had significantly more microsclerotia. Because of the wide host range of M. phaseolina and the long survival times of the microsclerotia, crop rotation would probably have little benefit in reducing charcoal rot. Under these study conditions it may be a better alternative to suppress charcoal rot by using the no-till cropping system to conserve soil moisture and reduce disease progress.
700 1 $aAMORIM, L.
700 1 $aBERGAMIN FILHO, A.
700 1 $aTORRES, E.
700 1 $aFARIAS, J. R. B.
700 1 $aBENATO, L. C.
700 1 $aPINTO, M. C.
700 1 $aVALENTIM, N.
773 $tFitopatologia Brasileira, Brasília$gv. 28, n. 2, p. 131-135, mar.abr. 2003.
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Registro original: |
Embrapa Soja (CNPSO) |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
29/11/2022 |
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Data da última atualização: |
16/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
JORGE, M. F.; SILVA, L. D. B. da; HÜTHER, C. M.; CECCHIN, D.; MELO, A. C. F. de; FRANCISCO, J. P.; NASCENTES, A. L.; ALVES, D. G.; GUERRA, J. G. M. |
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Afiliação: |
MARCOS FILGUEIRAS JORGE, UFRRJ; LEONARDO DUARTE BATISTA DA SILVA, UFRRJ; CRISTINA MOLL HÜTHER, UFF; DAIANE CECCHIN, UFF; ANTONIO CARLOS FARIAS DE MELO, UFRRJ; JOÃO PAULO FRANCISCO, UEM; ALEXANDRE LIOI NASCENTES, UFRRJ; DINARA GRASIELA ALVES, UFRRJ; JOSE GUILHERME MARINHO GUERRA, CNPAB. |
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Título: |
Potential use of treated wastewater from a cattle operation in the fertigation of organic carrots. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Revista Brasileira de Ciências Ambientais, v. 57, n.4, 542?554. 2022. |
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ISSN: |
2176-9478 |
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DOI: |
https://doi.org/10.5327/Z2176-94781385 |
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Idioma: |
Inglês |
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Conteúdo: |
The use of treated effluents rich in nutrients and organic matter has intensified in agricultural crops, contributing to the demand for water and fertilizers. The goal of this work was to assess the effects of fertigation with treated dairy cattle wastewater, for the cultivation of carrot (Daucus carota) when applied in four different doses, under field conditions, on nutrient accumulation, productivity, and health quality in the carrot (D. carota). Wastewater from treated cattle (WTC) was treated in a pilot treatment unit (PTU). Cultivation was carried out in two beds, and the WTC applied by drippers. Nitrogen (N) was considered the base element for the dose calculation, and a 100% N dose was equivalent to 150 kg ha−1. WTC doses of 0, 100, 200, and 300% N were evaluated. Productivity was evaluated at 70 and 120 days after sowing, in the aerial part (fresh and dry mass and accumulation of nutrients), in the main roots (fresh and dry mass, accumulation of nutrients, diameter, length, and sanitary quality), and as the total productivity of the two organs. As a result, an increase in productivity was observed for all treatments with WTC and accumulation of Ca and Mg. The roots did not present contamination; therefore, the carrots were fit for human consumption. It was concluded that the application of WTC in organic cultivation of carrots is a viable alternative means of plant fertilization, providing higher root productivity than the national average, reaching 72.6 t ha−1 for a dose of 100% N, without compromising on sanitary quality and is suitable for human and animal consumption. MenosThe use of treated effluents rich in nutrients and organic matter has intensified in agricultural crops, contributing to the demand for water and fertilizers. The goal of this work was to assess the effects of fertigation with treated dairy cattle wastewater, for the cultivation of carrot (Daucus carota) when applied in four different doses, under field conditions, on nutrient accumulation, productivity, and health quality in the carrot (D. carota). Wastewater from treated cattle (WTC) was treated in a pilot treatment unit (PTU). Cultivation was carried out in two beds, and the WTC applied by drippers. Nitrogen (N) was considered the base element for the dose calculation, and a 100% N dose was equivalent to 150 kg ha−1. WTC doses of 0, 100, 200, and 300% N were evaluated. Productivity was evaluated at 70 and 120 days after sowing, in the aerial part (fresh and dry mass and accumulation of nutrients), in the main roots (fresh and dry mass, accumulation of nutrients, diameter, length, and sanitary quality), and as the total productivity of the two organs. As a result, an increase in productivity was observed for all treatments with WTC and accumulation of Ca and Mg. The roots did not present contamination; therefore, the carrots were fit for human consumption. It was concluded that the application of WTC in organic cultivation of carrots is a viable alternative means of plant fertilization, providing higher root productivity than the national average, reaching 72.6 t ha&... Mostrar Tudo |
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Palavras-Chave: |
Agricultural reuse; Final disposition of effluent; Nitrogen fertilization. |
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Thesaurus NAL: |
Agricultural wastes. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02531naa a2200289 a 4500
001 2148908
005 2022-12-16
008 2022 bl uuuu u00u1 u #d
022 $a2176-9478
024 7 $ahttps://doi.org/10.5327/Z2176-94781385$2DOI
100 1 $aJORGE, M. F.
245 $aPotential use of treated wastewater from a cattle operation in the fertigation of organic carrots.$h[electronic resource]
260 $c2022
520 $aThe use of treated effluents rich in nutrients and organic matter has intensified in agricultural crops, contributing to the demand for water and fertilizers. The goal of this work was to assess the effects of fertigation with treated dairy cattle wastewater, for the cultivation of carrot (Daucus carota) when applied in four different doses, under field conditions, on nutrient accumulation, productivity, and health quality in the carrot (D. carota). Wastewater from treated cattle (WTC) was treated in a pilot treatment unit (PTU). Cultivation was carried out in two beds, and the WTC applied by drippers. Nitrogen (N) was considered the base element for the dose calculation, and a 100% N dose was equivalent to 150 kg ha−1. WTC doses of 0, 100, 200, and 300% N were evaluated. Productivity was evaluated at 70 and 120 days after sowing, in the aerial part (fresh and dry mass and accumulation of nutrients), in the main roots (fresh and dry mass, accumulation of nutrients, diameter, length, and sanitary quality), and as the total productivity of the two organs. As a result, an increase in productivity was observed for all treatments with WTC and accumulation of Ca and Mg. The roots did not present contamination; therefore, the carrots were fit for human consumption. It was concluded that the application of WTC in organic cultivation of carrots is a viable alternative means of plant fertilization, providing higher root productivity than the national average, reaching 72.6 t ha−1 for a dose of 100% N, without compromising on sanitary quality and is suitable for human and animal consumption.
650 $aAgricultural wastes
653 $aAgricultural reuse
653 $aFinal disposition of effluent
653 $aNitrogen fertilization
700 1 $aSILVA, L. D. B. da
700 1 $aHÜTHER, C. M.
700 1 $aCECCHIN, D.
700 1 $aMELO, A. C. F. de
700 1 $aFRANCISCO, J. P.
700 1 $aNASCENTES, A. L.
700 1 $aALVES, D. G.
700 1 $aGUERRA, J. G. M.
773 $tRevista Brasileira de Ciências Ambientais$gv. 57, n.4, 542?554. 2022.
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