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Irrigação suplementar com água salina: efeito no solo e na produtividade de feijão e sorgo. Infoteca-e
CORDEIRO, G.G.; VALDIVIESO SALAZAR, C.R.; SOARES, J.M..
Com o objetivo de estudar o potencial de uso das aguas subterraneas salinas provenientes de pocos profundos no cristalino do Nordeste do Brasil, pesquisou-se o alto teor de sais na irrigacao suplementar de feijao e sorgo no que diz respeito ao manejo e as limitacoes de uso.
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Irrigação suplementar; Solo; Água salina; Feijão; Sorgo; Salty-water; Supplementary irrigation; Yield; Bean; Sorghum; Soil; Irrigação; Irrigation.
Ano: 1993 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/131826
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Sustaining surface and groundwater resources; Proceedings of the Internatinal Workshop on Conjunctive Water Management for Sustainable Irrigated Agriculture in South Asia, April 16-17, 2002 Lahore, Pakistan AgEcon
Tipo: Presentation Palavras-chave: Water resource management; Conjunctive use; Surface water; Groundwater; Models; Crop production; Water requirements; Water balance; Water table; Sustainable agriculture; Environmental sustainability; Supplementary irrigation; Water quality; Rain; Pumping; Salinity control; Remote sensing; GIS; Water scarcity; Farm income; Institutional development; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Institutional and Behavioral Economics; Research and Development/Tech Change/Emerging Technologies; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2002 URL: http://purl.umn.edu/118417
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Effects of supplementary irrigation on chemical and physical soil properties in the rolling pampa region of Argentina Ciencia e Investigación Agraria
Mon,Rodolfo; Irurtia,Carlos; Fernando Botta,Guido; Pozzolo,Oscar; Bellora Melcón,Fernando; Rivero,David; Bomben,Miguel.
The effects of supplementary irrigation on soil chemical and physical properties were studied in 21 locations in the north of the rolling pampa region of Argentina. The chemical and physical variables were measured in top soil (0-100 mm) to compare irrigated and non-irrigated soils. Chemical variables were: electrical conductivity (EC), pH, exchangeable sodium percentage (ESP), and organic mater content. Physical variables included structural index (SI) and percolation index (PI) measured in the laboratory, as well as infiltration, runoff, and soil losses, measured in the field with a small portable rainfall simulator. Water quality was established according to its chemical composition and Riverside USA classification. In irrigated soils, chemical data...
Tipo: Journal article Palavras-chave: Erosion risk; Infiltration; Sodication; Supplementary irrigation.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202007000300002
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