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… for the execution of permanent improvements such as drainage or the drilling of tubewells, with varying … technology, agricultural development (irrigation, drainage, land consolidation, etc.), agricultural … of vast waterlogged areas through the control of drainage and flooding, has proved extremely profitable to …

… have no access to a piped sewage supply − the main drainage channel for the city, enter the top end of the …

… risk-prone areas and degradation of the soil and natural drainage systems, making it even more difficult to recuperate …

… was environmental modification through deforestation, drainage of wetlands, or more recently, intensive … decades and to the progressive loss of habitat caused by drainage of the marshlands for cattle production. On the …