In a recent meeting the topic of where to go for irrigation information came up.  Well there's no substitute for attending a class in irrigation, such as offered at Cal Poly SLO (http://www.itrc.org/classes/iseclass.htm ,

but here's some written sources to get you started thinking.

http://ciwr.ucanr.edu/california_drought_expertise/droughttips/

http://www.salinitymanagement.org/Salinity%20Management%20Guide/ei/ei_1.html

http://www.avocadosource.com/tools/IrrigationCalculator.asp

http://lawr.ucdavis.edu/cooperative-extension/irrigation/manuals

http://lawr.ucdavis.edu/cooperative-extension/irrigation/drought-tips

http://biomet.ucdavis.edu/index.php/evapotranspiration-mainmenu-32

http://www.itrc.org/reports/

http://www.fresnostate.edu/jcast/cit/goods/

http://edis.ifas.ufl.edu/topic_citrus_irrigation

http://edis.ifas.ufl.edu/results.html?q=irrigation&x=0&y=0#gsc.tab=0&gsc.q=irrigation&gsc.page=1

http://extension.colostate.edu/topic-areas/agriculture/micro-sprinkler-irrigation-for-orchards-4-703/

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