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Using State-Of-The-Art Rs and Gis for Monitoring Waterlogging and Salinity

By Food and Agriculture Organization of the United Nations

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Book Id: WPLBN0000226354
Format Type: PDF eBook
File Size: 0.7 MB
Reproduction Date: Available via World Wide Web.

Title: Using State-Of-The-Art Rs and Gis for Monitoring Waterlogging and Salinity  
Author: Food and Agriculture Organization of the United Nations
Volume:
Language: English
Subject: United Nations., Food and Agriculture Organization of the United Nations. FAO agriculture series, Agriculture
Collections: United Nations Food and Agriculture Organization Collection
Historic
Publication Date:
Publisher: Food and Agriculture Organization of the United Nations; Digitizer: Fao

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Agriculture Organization Of The United Nations, F. A. (n.d.). Using State-Of-The-Art Rs and Gis for Monitoring Waterlogging and Salinity. Retrieved from http://www.ebooklibrary.org/


Description
Nutrition Reference Publication

Summary
Electronic reproduction.

Excerpt
Excerpt: At present rates of population growth, global food needs will increase while soil and water resources for new crop production will be limited and their quality will diminish. Protection of soil resources and conservation of water are high on the agenda, because irrigated agriculture is one of the biggest producers of food. In arid and semi-arid regions, irrigation has brought about environmental problems of waterlogging and salinity. According to the United Nations Economic and Social Commission for Asia and the Pacific (UN-ESCAP), affected areas exceed 1 million ha in Cambodia and Thailand, 3 million ha in Afghanistan, Bangladesh, Mongolia and Malaysia, 10 million ha in Pakistan and Indonesia, 20 million ha in China, India and Iran and over 350 million ha in Australia. The total area affected by salinity is estimated to exceed 500 million ha (Szabolcs, 1979).

 

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