Dissertação de Mestrado em Estudos Ingleses apresentada à Universidade Aberta ; Resumo - A Revolução Industrial inglesa fomentou o desenvolvimento ao nível da produção de bens e serviços, tão comuns na vida moderna, operando uma mudança radical na estrutura económica, social e política. Devido às revoluções verificadas na agricultura, na indústria, nas comunicações e nos transportes, Inglaterra tornar-se-ia a ...
Abstract The impacts of sprinkler irrigation on infiltration, runoff and sediment loss of ten representative soils of Southern Portugal were assessed by laboratory sprinkler irrigation simulation tests. All soils showed very low permeability to applied water. The mechanical impact of water droplets enhanced soil dispersion and further lowered their infiltration capacity, particularly for high clay plus silt con...
ABSTRACT: Center-pivot irrigation systems often apply water at rates greater than the soil infiltration rate. Applying high molecular weight, water-soluble, anionic polyacrylamide (PAM) to the soil can improve infiltration and reduce soil erosion The objective of this study was to determine whether single and multiple PAM applications with sprinkler irrigation improved infiltration under field conditions. A tw...
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