Liz Morrison

Articles by Liz Morrison
Relearn Residuals | Get the Most from Soil-Applied Herbicides 2

In 2012, Greg Kerber attacked the weeds in his no-till soybean fields with six herbicide modes of action – including three effective pre-emergence herbicides. An early April burndown included full rates of 2, 4-D and glyphosate plus soil-residual products Prowl and Sonic, followed by an early postemergence application of Liberty. Sites of action: 2, 3, 4, 9, 10 and 14.

Slow Your Soil | Southwest Iowa Growers Fight to Safeguard Soil Amid Weather Extremes

Extreme weather finds even longtime no-tillers fighting washouts and erosion. Bill and Babetta Lucke of Persia, Iowa, 12-year no-till veterans, have a stellar soil-saving system, including terraced slopes and miles of grass waterways. “These things help a lot,” Bill says, but with torrential rains and the 2012 drought, “we still lose some soil.” Buffeted by weather extremes like so many Corn Belt farms, their 1,000 acres lie in the fertile loess hills of southwest Iowa.

Stop Gully Erosion | Improve Crop Productivity with Control Basins Instead of Grass Waterways

Year after year, Donnelly, Minn., farmer Dave Liebl would close the gully that formed in one of his fields, only to have it reopen. “I’d dig it, and it would look smooth. Then after a hard rain, there’d be another gully in the same place.” The ditch below the field had silt several feet deep.

Irrigator Innovator | Young Nebraska Farmer Pushes Variable-Rate Irrigation Forward 8

A young farmer from eastern Nebraska is pushing irrigation management to a new level of precision. Nick Emanuel, founder and president of CropMetrics, is a leader in variable rate irrigation management. The innovations he developed on his farm are helping growers match water application rates to soil type, conserving water and reducing yield variability. “He’s a small-town Nebraska boy who is making a global impact on water management,” says Dave Varner, a University of Nebraska Extension scientist in southeast Nebraska.

Prescribe Your Water | Variable-Rate Irrigation Applies Rates by Soil Type, Topography, Yield goals 6

Tim Schmeeckle is learning to grow corn with less water. Precision-irrigation management is helping him and other farmers apply the right amount of water on every part of the field. Variable-rate irrigation (VRI) adjusts water application depth for differences in soil water-holding capacity, topography and yield potential.

Cash Rent on the Auction Block | Rent Auctions Give More Farmers a Shot at Renting Land, But Make Transaction Details Public

Cash rent went on the auction block in several areas around the Midwest last fall and winter. In Iowa, 3,300 acres of cropland brought rent bids ranging from $325/acre to $520/acre, stunning some market watchers. In southern Minnesota, several cash rent auctions last fall brought over $400/acre. In eastern South Dakota, bids at rent auctions in September and October reached $300/acre or more.

Find Your Resistant Weeds | Learn Early Warning Signs of Glyphosate-Resistant Weeds

One reason glyphosate-resistant weeds are multiplying is lack of early detection. Because glyphosate has been so effective, busy farmers often skimp on scouting after spraying, says Jeff Stachler, Extension weed scientist at North Dakota State University and the University of Minnesota. As a consequence, “we’re not detecting weed changes from year to year.”

Buffer Booster | Cut Nitrates by Routing Tile Water Through Grass Buffer 1

Directing tile water through a grass buffer can significantly improve drainage water quality. This new conservation drainage practice, called a “saturated buffer,” removes nitrates from subsurface drainage water at low cost – without affecting farm field drainage.

Wind Wisdom | 5 Questions to Ask Before Signing a Wind-Energy Lease 3

Leasing your farmland for wind power offers another source of income — one that lets you continue farming the land. But wind agreements create complex legal and financial issues, and affect your property rights far into the future, says Jennifer Jambor-Delgado, a staff attorney at Minnesota-based Farmers’ Legal Action Group.

More Aphid Ammunition | Soybeans with Genetic Aphid Protection Squelch No. 1 Soybean Pest 1

Two genes that help soybeans fend off aphids worked well in 2011, both as single and stacked traits. That’s according to a six-state study of soybeans with aphid resistance genes, known as Rag1 and Rag2. Individually, the genes slowed aphid growth significantly, says Iowa State University entomologist Matt O’Neal, who led the research.

Stray Corn Strut | Volunteer Corn Steals Beans and Feeds Your Worst Corn Pest

On a road trip last September through Minnesota, Wisconsin and Iowa, Jeff Gunsolus was struck by all the volunteer corn sticking up out of ripening soybean fields. “It seems that people aren’t valuing this as a weed-management issue," says the Minnesota Extension weed scientist. Many growers are not killing it soon enough as volunteer corn is very competitive with soybeans, he says.

Refine your Refuge | It's More Important Than Ever This Year

Minnesota farmer Gene Stengel and his sons Kevin and Rob will plant a 20% insect refuge this spring, as usual. Although “refuge-in-the-bag” blends of Bt and non-Bt seeds are proving popular with farmers – and could predominate in coming years – many growers will still plant structured non-Bt refuges in 2012.

Late June Soybean Success | Double-Crop Soybean Strategies From the 45th Parallel

Come end of June, Minnesota grower Norm Giese will be planting soybeans again, just like he has done for the last 13 years, successfully. The Appleton, MN, farmer and his son and son-in-law grow 5,000 acres of corn, soybeans and dry edible beans. They also grow 350 acres of fresh peas for a local processor.

Tires or tracks? | What’s the Best Way to Avoid Soil Compaction?

Are tracks or tires better for reducing compaction from loaded grain carts? “The answer is, it depends,” says Randy Taylor, an Oklahoma State University Extension ag engineer.

Escaped Sediment Being Blamed on You | Conservation Practices have Slashed the Amount of Soil Moving from Farm Fields into Waterways

This spring, a muddy lake on the Mississippi River sparked a flurry of controversy about agricultural drainage. Lake Pepin, on the Minnesota-Wisconsin border, is filling up with silt. Most of the sediment is carried into the lake by the Minnesota River, a turbid prairie river that meanders through some of the most productive – and heavily tiled – cropland in the world.

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