Global agricultural knowledge & training bodies

Food and Agriculture Organization of the United Nations
Water promotional & educational material
http://www.fao.org/nr/water/promotional.html

Food and Agriculture Organization of the United Nations
Information System on Water and Agriculture
Global map of irrigation areas – Irrigation by country
http://www.fao.org/nr/water/aquastat/irrigationmap/index20.stm

Food and Agriculture Organization of the United Nations
Information System on Water and Agriculture
Review of water resources statistics by country
http://www.fao.org/nr/water/aquastat/water_res/index.stm

Food and Agriculture Organization of the United Nations
Information System on Water and Agriculture
Countries and regions
http://www.fao.org/nr/water/aquastat/countries/index.stm

Agricultural Dictionary
 

Swiss Federal Department of Economic Affairs – ART Agronomic Research Station

http://www.services.art.admin.ch/wort/e/art_wort.htm

American agricultural knowledge & training bodies

Irrigation Association
Education Section
http://www.irrigation.org/edu/default.aspx?pg=default.htm&id=36

American Association of Agricultural Education
http://www.aaaeonline.org

USDA National Agricultural Library
http://agricola.nal.usda.gov

USDA – Agricultural Research Service
Educational resources
http://www.ars.usda.gov/Services/docs.htm?docid=1274

Crops support information

Information by The Food and Agriculture Organization of the United Nations about some 30 crops, their crop water requirement, yield response to water; and bibliographic database on crop water productivity
http://www.fao.org/nr/water/cropinfo.html