Manitoba expects above average potato yields

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Published: August 24, 2012

Growers and industry representatives look at potato varieties during a field tour held August 17 at the Canada-Manitoba Crop Diversification Centre near Carberry, Manitoba. Even with extreme heat and lack of rainfall in July, potato fields in Manitoba will likely generate above average yields in 2012. | Robert Arnason photo

CARBERRY, Man. — Manitoba potato producers will likely harvest an above average crop this year, says a provincial potato specialist.

That’s despite record temperatures and arid conditions in July that pushed irrigation systems to their limits.

Following a tour of potato research plots at the Canada-Manitoba Crop Diversification Centre north of Carberry, Man., Manitoba Agriculture potato specialist Brian Wilson said the province’s spud crop has good yield potential.

“Even with the challenges we’ve had this year, we’re probably going to end up with an above average crop from a yield standpoint.”

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Considering the heat and the early planting this spring, the 2012 growing season presented unique conditions for Manitoba’s potato producers, said Andrew Ronald, an extension agronomist with the Keystone Potato Producers Association.

Ronald told the field day that Manitoba crops were hit by “heat, heat, heat” this year.

The thermometer at Carberry exceeded 30 C 23 times between May 1 and Aug. 15. The temperature at Carberry normally rises above 30 C only eight times in that time period based on the 10-year average.

Combined with a lack of rain in July, the extreme temperatures forced potato producers to irrigate much more than usual. For instance, in one blistering week in July, producers needed to add more than 1.75 inches of water over seven days to satisfy the crop’s moisture demand.

Many producers were able to irrigate sufficiently but others couldn’t keep up, Wilson said.

In certain areas of Manitoba, potato growers rely on retention ponds that collect water from spring runoff, Wilson said.

“Because we didn’t have a lot of snow last (winter), there are some producers that ran into the problem this spring that they couldn’t fill their retention pond.”

In other cases, producers may have small irrigation systems that can apply only one to 1.25 inches of water per week.

Wilson said they can’t keep up if water demand is an inch and a half or more per week.

A lack of water also affects the shape of potatoes.

About the author

Robert Arnason

Robert Arnason

Reporter

Robert Arnason is a reporter with The Western Producer and Glacier Farm Media. Since 2008, he has authored nearly 5,000 articles on anything and everything related to Canadian agriculture. He didn’t grow up on a farm, but Robert spent hundreds of days on his uncle’s cattle and grain farm in Manitoba. Robert started his journalism career in Winnipeg as a freelancer, then worked as a reporter and editor at newspapers in Nipawin, Saskatchewan and Fernie, BC. Robert has a degree in civil engineering from the University of Manitoba and a diploma in LSJF – Long Suffering Jets’ Fan.

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