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Registros recuperados: 7
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Avaliação de uma indústria beneficiadora de castanha-do-pará, na microrregião de Cametá, PA. Infoteca-e
HOMMA, A. K. O.; MENEZES, A. J. E. A. de..
2008
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Castanha-do-pará; Indústria; Extração; Bertholletia excelsa H; B; K; Cametá; Pará; Amazônia; Brasil.
Ano: 2008 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/388686
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Biocontrol of seed pathogens and growth promotion of common bean seedlings by Trichoderma harzianum. Repositório Alice
CARVALHO, D. D. C; MELLO, S. C. M. de; LOBO JUNIOR, M.; GERALDINE, A. M..
The objective of this work was to evaluate isolates of Trichoderma harzianum regarding biocontrol of common bean seed-borne pathogens, plant growth promotion, and rhizosphere competence. Five isolates of T. harzianum were evaluated and compared with commercial isolate (Ecotrich), Carboxin+Thiram, and an absolute control. Bean seeds of the cultivar Jalo Precoce, contaminated with Aspergillus, Cladosporium, and Sclerotinia sclerotiorum, were microbiolized with antagonists, and seed health tests were carried out. Isolates were evaluated on autoclaved substrate and in field conditions. Ten days after sowing (DAS), plant length was measured. To test rhizosphere competence, isolates he most effective isolates in the seed health tests were: CEN287 and CEN289 to...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Phaseolus vulgaris; Sclerotinia sclerotiorum; Biological control; Bioprospection; Seed pathology. controle biológico; B.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/908071
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Calidad agrícola de las aguas urbano-industriales del Valle del Mezquital, Hidalgo. Colegio de Postgraduados
López García, Alma Delia.
Las aguas residuales generadas en el Valle de México, son usadas en el riego de cultivos en el Valle del Mezquital, a lo largo de la red hidrográfica Zumpango-Ixmiquilpán-Zimapán. Para establecer las características físico-químicas de estas aguas, se planteo una investigación de tipo Observacional, Prospectiva, Transversal y Descriptiva. Mediante la asociación de variables físico-químicas específicas medidas en las aguas se hace inferencia sobre los niveles de sodio intercambiable en los suelos que son regados con estas aguas. Las variables de mayor relevancia son: pH, CE, RAS, PSI y B. Los valores obtenidos, expresados en máximos y mínimos son: pH 6.53- 9.85, CE 108-3109 μS cm-1, RAS = 9.65-0.09, PSI = 14.02-0.06, B = 2.65-0.003 mg L-1. La calidad del...
Palavras-chave: RAS; PSI; B; SAR; Maestría; Hidrociencias.
Ano: 2011 URL: http://hdl.handle.net/10521/455
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Calidad agrícola de las aguas urbano-industriales del Valle del Mezquital, Hidalgo. Colegio de Postgraduados
López García, Alma Delia.
Las aguas residuales generadas en el Valle de México, son usadas en el riego de cultivos en el Valle del Mezquital, a lo largo de la red hidrográfica Zumpango-Ixmiquilpán-Zimapán. Para establecer las características físico-químicas de estas aguas, se planteo una investigación de tipo Observacional, Prospectiva, Transversal y Descriptiva. Mediante la asociación de variables físico-químicas específicas medidas en las aguas se hace inferencia sobre los niveles de sodio intercambiable en los suelos que son regados con estas aguas. Las variables de mayor relevancia son: pH, CE, RAS, PSI y B. Los valores obtenidos, expresados en máximos y mínimos son: pH 6.53- 9.85, CE 108-3109 μS cm-1, RAS = 9.65-0.09, PSI = 14.02-0.06, B = 2.65-0.003 mg L-1. La calidad del...
Palavras-chave: RAS; PSI; B; SAR; Maestría; Hidrociencias.
Ano: 2011 URL: http://hdl.handle.net/10521/455
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Fertilization with filter cake and micronutrients in plant cane Rev. Bras. Ciênc. Solo
Adorna,Jaqueline Cristiane; Crusciol,Carlos Alexandre Costa; Rossato,Otavio Bagiotto.
The response of sugarcane to application of micronutrients is still not very well known. In view of the need for this information, the aim of this study was to evaluate the application of the micronutrients Zn, Cu, Mn, Fe, B, and Mo to plant cane in three soils, with and without application of filter cake. This study consisted of three experiments performed in the State of São Paulo, Brazil, (in Igaraçu do Tiete, on an Oxisol; in Santa Maria da Serra, on an Entisol, both in the 2008/2009 growing season; and in Mirassol, on an Ultisol, in the 2009/2010 growing season) in a randomized block design with four replications with a 8 x 2 factorial combination of micronutrients (1 - no application/control, 2 - addition of Zn, 3 - addition of Cu, 4 - addition of Mn...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zn; Cu; B; Mn; Fe; Mo; Filter cake; Sacharum spp.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832013000300011
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High fluorine and other associated trace elements in waters from the south of the Pampean plain Phyton
Espósito,ME; Sequeira,ME; Paoloni,JD; Blanco,MC; Amiotti,N.
We investigated the levels of F and its relationship with As, B and V in ground and surface waters of the southern Pampas, where cases of dental and skeletal fluorosis, and arsenic in hair and urine samples have been detected in the rural population. Eating vegetables and cereals grown in irrigated areas with excessive fluoride may increase the risk of fluorosis due to the addition of the extra F contributed from other sources such as drinking water. Moreover, if these elements exceed the tolerance of crops produce toxicity and, like salinity, they decrease the potential crop yield. Within an area of 2300 km², 81 samples were taken from surface and groundwaters to determine F, As, B and V. Fluoride was detected in 86% of the sampled groundwaters, and in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fluoride; Trace elements; As; B; V; Surface and groundwaters; Toxicity; Irrigation; Crops and human consumption.
Ano: 2013 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572013000100006
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Overcoming Inefficient Land-Holding of Part-Time and Absent Small Farmers - A Challenge to Nobel Economics Laureate Theodore W. Schultz AgEcon
Zhou, Jian-Ming.
Paper presented at the International Symposium Sustaining Food Security and Managing Natural Resources in Southeast Asia - Challenges for the 21st Century Organized by University of Hohenheim, Germany Chiang Mai University and Kasetsart University, Thailand International Center for Research in Agroforestry, and International Board for Soil Research and Management 8-11 January 2002 at Chiang Mai University, Thailand
Tipo: Conference Paper or Presentation Palavras-chave: Part-time and absent small farmers; Inefficient land-holding; Low and high income economy; Economies of scale; Obliged lease of unused land to full-time farmers.; Agricultural and Food Policy; Community/Rural/Urban Development; Farm Management; Food Security and Poverty; Institutional and Behavioral Economics; International Development; Labor and Human Capital; Land Economics/Use; Political Economy; Production Economics; Productivity Analysis; B; O; Q; R.
Ano: 2002 URL: http://purl.umn.edu/95864
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