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Tag: Irrigation

Tendances mondiales (1960–2005) Tendances mondiales (1960–2005)
Production de céréales et de viandes, et de l'utilisation d'engrais, de systèmes d’irrigation et de pesticides
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
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Part dans les augmentations de la production agricole entre 1961 et 1999 Part dans les augmentations de la production agricole entre 1961 et 1999
L'augmentation de la production de cultures agricoles a principalement été fonction de l'accroissement du rendement dû à une utilisation accrue d'engrais et de systèmes d’irrigation. Cependant, cette situation pourrait se réorienter dans le futur vers une approche reposant davantage sur l’expansion des terres cultivées, aux dépens de la diversité biologique
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
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Qanat Qanat
A qanat is a water management system used to secure reliable water supply to human settlements or irrigation in semi-arid and arid regions. Probably originating in Persia, the qanat system has been adopted and developed further in large parts of Asia and Europe. Its widespread use is refected in the many names for the system and similar systems; kariz/kahan (Persian), khettara (Morocco), galeria (Spain), falaj (United Arab Emirates and Oman), ...
06 Dec 2010 - by Riccardo Pravettoni
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Land not suitable for major agriculture crops Land not suitable for major agriculture crops
An estimated 88% of Sumatran orangutan habitat is on land classified by Indonesian Government studies (RePPProT) as completely unsuitable for cultivation of major crops such as oil palm, rubber, robusta coffee or cocoa. Only 1.3% of orangutan habitat is deemed ideal for one or more of these crops, while 10.7% could be suitable with significant inputs, such as fertilizer and irrigation.
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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