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WEEDS

Gardening columnist Don Kinzler offers advice on a squash vine infestation, as well as how to kill creeping Charlie in lawns and ways to prevent green areas on potatoes.
As kids, we spent many summers bumping along the dirt roads in Dad’s pickup as he patrolled creeks and ditches — ever vigilant to any splash of yellow representing leafy spurge. He would screech to a halt and we'd trot to the back of the truck to pull out hoses so we could douse every offending patch with herbicide. These days, we are more prone to limping than trotting. But we're still spraying spurge, Tammy Swift says.
"Fielding Questions" columnist Don Kinzler also answers questions about spraying newly seeded grass and dealing with quackgrass in raspberries.
"Growing Together" columnist Don Kinzler says different strategies are required to deal with the weeds.

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U.S. Customs and Border Protection ag inspection specialists are on duty 24/7 to look for noxious weed seeds and insect pests coming from Canada to the U.S. by rail. The crossing at Portal, North Dakota, is the fifth busiest railyard in the country, when measured by number of containers. The crossing at International Falls, Minnesota, is the busiest.
North Dakota officials have told CHS Sunflower at Grandin, North Dakota, to stop shipping sunflower screenings for livestock producers in North Dakota after a Grant County rancher found his feed product had contaminated hundreds of acres with the hard-to-control Palmer amaranth weed seeds.
Farmers in the southern Red River Valley who experienced drought conditions a month ago, along with 50 mph winds, now have gotten a shot of rain. Soils that moved also moved weed seed, which can contaminate neighboring fields with tough-to-control waterhemp. A return to hot, dry conditions makes those weeds even harder to control.
The U of M needs citizen scientists to monitor invasive, noxious weeds.
"Fielding Questions" columnist Don Kinzler says the vine that a reader got as a dollar special from a home improvement store is often considered a weed that can overtake its surroundings.
"Fielding Questions" columnist Don Kinzler explains why an ornamental tree in a local yard attracts robins for a buffet of fruit each spring.

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Pigweed, a general category that includes the increasingly worrisome waterhemp and Palmer amaranth, requires bold ideas and determination to control, a weed scientist said.
Organic farmers in southeast Minnesota learned their longtime agreement with the Minnesota Department of Transportation had ended when their no-spray signs were pulled from the ground this summer.
In today's "Fielding Questions" column, a reader wonders what they can do about this weed spreading on the side of their house.

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