Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES   2005 , Volume 11 , Number 1 (SUPPLEMENT); Page(s) 43 To 52.
 
Paper: 

NEW ISSUES AND ALTERNATIVE PROGRAMS FOR SUSTAINABLE AGRICULTURAL DEVELOPMENT IN SEMI-ARID REGIONS

 
 
Author(s):  PAZIRA E., HOMAEI M.
 
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Abstract: 

For the populations located in semi- arid regions, agricultural scientists need to change their insight on “development concept” as well as application of “advanced technologies” for optimal water and energy use, environmental protection and landscaping in order to achieve sustainable agricultural production. One new issue for crop production in semi-arid regions is the application of new irrigation methods. By approaching new technologies, not only the water use efficiency increases, but the salt accumulation in the root zone will reduce, providing more yields. As the civil population increases in semi-arid regions, the demand for good quality water will also grow up, creating more pressure on the limited amount of available waters. Therefore, the use of drainage and sewage waters now becomes a new challenge in such areas. Yet, in some countries, sewage waters are successfully used to irrigate green spaces following some physical or biological treatments. Also, there are some automated agricultural networks that continuously monitor the consumptive use of different plants, employing some thermal ultra red sensors. In addition, there are some large meteorological stations, networking the necessary data for optimizing the irrigation water use efficiency. One more new alternative for better use of available resources in semi-arid regions is concerning the “available biodiversity” such that one can pay attention to “halophyte” and “medicinal” plant production.

 
Keyword(s): DRIP IRRIGATION, HYDROPONICS, HALOPHYTES, PRECISION AGRICULTURE, REMOTE SENSING, SUSTAINABLE AGRICULTURE
 
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