New ir­ri­gation fact sheet re­leased

North East & Goulburn Murray Farmer - - NEWS -

A NEW fact sheet, de­vel­oped to help ir­ri­ga­tors make in­formed de­ci­sions on util­is­ing ir­ri­gation wa­ter over sum­mer, has been re­leased.

‘What is evap­o­tran­spi­ra­tion (ET) and how do I use it to sched­ule ir­ri­ga­tions?’ – is a re­sponse to in­creas­ing in­ter­est in ir­ri­gation sched­ul­ing tech­niques.

ET is cal­cu­lated by us­ing lo­cal daily weather mea­sure­ments to more ac­cu­rately de­ter­mine crop ir­ri­gation re­quire­ments.

The mea­sure is now com­monly used by ir­ri­ga­tors, help­ing them to achieve in­creased yields and higher wa­ter ef­fi­ciency.

Agri­cul­ture Vic­to­ria se­nior ir­ri­gation of­fi­cer Rob O’Con­nor has been dis­tribut­ing ET data to ir­ri­ga­tors over the past four years.

“It’s hoped the fact sheet an­swers some of the com­mon ques­tions ir­ri­ga­tors have about ET,” Mr O’Con­nor said.

Mr O’Con­nor is cur­rently send­ing ac­tual and fore­cast ET in­for­ma­tion to 400 ir­ri­ga­tors and ser­vice providers from dairy, crop­ping, hor­ti­cul­ture, meat and wool each week and al­ways wel­comes new sub­scribers.

Mr O’Con­nor said ET is not meant to re­place ex­ist­ing sched­ul­ing meth­ods that ir- riga­tors al­ready have in place.

“It com­ple­ments ex­ist­ing meth­ods, and pro­vides ir­ri­ga­tors with more con­fi­dence in their de­ci­sions, par­tic­u­larly when a dif­fer­ent type of crop or ir­ri­gation sys­tem is in­volved,” he said.

The fact sheet can be viewed on the web­site agri­cul­­ri­gation http://

The weekly emails can be viewed on the Ex­ten­sionAUS web site at ex­ten­ au/ir­ri­gatin­gag/.

To sub­scribe to the weekly email ser­vice please con­tact robert.ocon­[email protected]

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