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Learning about the benefits of planting cover crops.

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Cover Crops in Wisconsin

Mar 27 2014

New articles out on Cover Crops in the Upper Midwest

During the week of March 18-21 I spoke at the Legacy Seeds Cover Crop Meetings to over 150 people in three Wisconsin towns

Appin Turnips make an outstanding cover crop and forage crop too!
Appin Turnips make an outstanding cover crop and forage crop too.

about cover crops.  During each meeting I showed why folks should consider using cover crops (erosion control, nutrient management, compaction reduction, aeration/infiltration, etc…).  I also implored producers to be creative about applying cover crops (aerial application, Hi-boy type spreaders, maybe interseeding into short corn, etc…).  Lastly I showed how many farmers are reporting increased profitability by using  cover crops.

Many farmers attending the meetings had at least some experience with cover crops and those that talked to me personally had very good experiences.  It was fun to talk to farmers that are excited about both soil health and profitability.

At the meeting in Sparta, Agri-View Newspaper Crops Editor, Jane Fyksen was present and taking notes for a story she was writing for the publication.  Jane did a great job in her reporting of what I said.  I want to share those articles with you.  The first article is entitled “Finding a cover crop mix to fit every need” and the second one is entitled “Aerial and overseeding of cover crops: Making it work“.

I have conducted over 40 cover crop talks this year from Omaha to Ontario and from Syracuse, NY to Chippewa Falls, WI.  I am amazed how far this cover cropping idea has come.  I am also very excited to see what will happen in another 8-10 years.

I cannot wait for warmer temperatures so we can see what cover crops survived this past record setting-cold winter.
I cannot wait for warmer temperatures so we can see what cover crops survived this past record setting-cold winter.

 

 

 

 

Written by Dave Robison · Categorized: Aerial Application, Cover Crop Benefits, Cover Crop Meetings, Cover Crops in the Northland, Cover Crops in Wisconsin, Soil Improvement, Stand Establishment Following Cover Crops · Tagged: aerial application of cover crops, aerial application of cover crops into soybeans, Agri-View, Appin Turnips, cover crops, Cover Crops enhance profitability, EarthBuilder Cover Crops, Jane Fyksen, Midwest Cover Crop Council, PileDriver Radish

Oct 17 2013

More Fall Cover Crop Field Days Coming

This fall there are more cover crop field days to attend in Iowa and Wisconsin.

 

For those in Iowa see http://practicalfarmers.org/blog/2013/fall-2013-cover-crop-field-days-scheduled

In Wisconsin there are two field days:

There will be opportunities to look in soil pits in Northern climates to see just what is going on beneath the surface of the soil.
There will be opportunities to look in soil pits in Northern climates to see just what is going on beneath the surface of the soil.

October 21, 2013 – 10:30am – Cover Crop Plot Tour
Hosted by Legacy Seeds’ Kris Tessar and Ag Ventures Shawano
Located at the farm of Paul McClone on Cty BE in Bonduel, WI
Dave Robison will be speaking – Lunch will follow the tour
RSVP to Ag Ventures at 715-524-8812
October 22, 2013 – 10:30am – Cover Crop Plot Tour
Hosted by Legacy Seeds’ Kris Tessar and ADM
Located at the farm of Ken Huber at 3848 Cty P in Oxford, WI
Dave Robison will be speaking – Lunch will follow the tour
RSVP to ADM (Perry or Sue) at 800-367-4057

I hope to see you there!  Dave

 

Written by Dave Robison · Categorized: Cover Crop Plots, Cover Crop Research, Cover Crops in Iowa, Cover Crops in the Northland, Cover Crops in Wisconsin, Education, Field Days · Tagged: cover crop field day, cover crops, cover crops in Iowa, Cover Crops in Wisconsin

Jul 05 2013

Cover Crops and Prevented Plant Information Guidance

In late June I was on a farm in west central Wisconsin with two farmers that had over 3,000 of their nearly 6,000 acres that were too wet to plant in 2013.  This is an example of what I have seen and heard and read on personal farm calls, numerous phone calls, and multiple e-mails that farmers have asked for advice on “what to do.”

On my way home from that on-farm visit I called Ryan Stockwell from the National Wildlife Federation. NWF has been a great friend to agriculture and cover cropping.  I wanted to see what Ryan was hearing about potential changes in RMA Crop Insurance rulings for the upper Midwest – so farmers might be able to harvest their cover crops (or alternative forages) from their prevented planting acres before November 1, 2013.  What I heard from Ryan was not good news for the livestock producer that is desperately short of feed because of the drought of 2012 and severe alfalfa winterkill during the winter of 2012-13.

As I lamented to Ryan how I thought that there should be some “flexibility” in the crop insurance regulations, it hit me that farmers could possibly make more money harvesting forages and NOT taking their crop insurance payment.  That is when we got Sarah Carlson (Practical Farmers of Iowa) and Tom Kaspar  (USDA-ARS National Laboratory for Agriculture and the Environment in Ames, Iowa) involved.

If you are considering what to do with prevented planting acres and you need forage, or you are considering whether to put a cover crop on your prevented planting acres, then this article is for you.  Please read Cover crops and prevented plant information guidance.

My marking numbers on a notebook I began while driving down I-90/94 tuned into a full fledged article that was well beyond my expectations. Thanks to Ryan, Sarah, and Tom for making this a scientific article that more than solidified my idea and well exceeded my abilities.  You guys are the best!

 

Written by Dave Robison · Categorized: Cover Crop Benefits, Cover Crops in Iowa, Cover Crops in Minnesota, Cover Crops in Wisconsin, Crop insurance, Prevented planting · Tagged: Cover Crops for Forage, cover crops for prevented planting, Prevented Planting ideas

Oct 25 2012

Cover Crops Planted After Wheat in a Dry Year

Can you still gain value in a cover crop when it is planted after wheat in a dry year?

During the week of October 15, 2012 I traveled a wide swath of Wisconsin looking at cover crops.  In the eastern half of the state the cover crops looked very good.  In the western half the cover crops looked desperately poor.   The difference?  Moisture.

Northwestern Wisconsin – Terribly Dry

While on farms near Osceola, WI (right along the St. Croix River – the river that forms the border between Wisconsin and Minnesota in that part of the state), I observed a sad sight.  Cover crops that had been in the ground for 6 weeks were either not germinated  or had little growth.  While the early part of the growing season had more than adequate rainfall and corn yields were near 200 bu/acre, the last 7-8 weeks has seen less than 1/2″ and the cover crops look…well, they look horrible.

Central Sands Region – Dry But with Some Promise

Near Hancock, in the Central Sands Region of Wisconsin, there is a mixed bag of results.

Where farmers used irrigation to “water -up” the cover crops, there are nice stands with adequate growth to have a “successful” cover crop to achieve many benefits.  Unfortunately, where there was no irrigation used there was much less “success.”

Again, it was dry for several weeks before and after the cover crops were planted after the wheat crop had been harvested.  A few days before my cover crop field day there was a 4 inch rain.  The farmer and dealer present said that the plot “changed overnight” as it had grown so much since there was some moisture.

The beautiful thing about the cover crops in the central sands is that they established and actually looked amazingly good compared to what I envisioned they would. The winter cereal rye was tillered nicely and the oats were 5-6 inches tall.  The radishes, oats,and rye all drilled through the compaction zone that we found at 3-4 inches deep.

What was not apparently impressive was the crimson clover or Austrian winter peas – at least not for coverage or height. The crimson clover was only about 1 inch tall and the peas were 3-4 inches tall.  However, what was surprising was how many nodules were on the clover and peas and that the roots were 4-5″ deep and through the compaction zone as well!

Northeastern Wisconsin – What a Difference Moisture Makes

The crimson clover was not at all impressive even though the seed was planted 7 weeks previous to this photo being taken. However, with virtually no rainfall it is amazing there was any clover established at all in the Central Sands Region of WI.
Seven or eight weeks of dry weather did not help cover crops in this field near Osceola, WI emerge very quickly in 2012. Will there be any value to this cover crop? Sadly, no.  Note how small the radishes and turnips are.  These cannot be declared valuable to this farmer.  Thankfully the winter Rye should survive the winter.

 

 

 

With less than 1/2″ of rain since planting into dry soil, this cover crop field in western Wisconsin near Osceola never had a chance to achieve the goals the farmer had for it improving the soil.

 

 

 

 

 

 

 

 

 

This is the test plot in the Central Sands Region.  From Right to left; Radishes, Oats, Winter Rye, and various mixes. Are these cover crops valuable? I believe so because they are through the compaction zone and the rye and many of the mixes will have components that survive the winter.

 

 

If you enlarge this photo you will be amazed how many nodules are on this tiny crimson clover plant. The roots were over 5″ deep which was through the compaction zone at the Hancock, WI plot.

 

 

 

 

 

 

 

 

 

Written by Dave Robison · Categorized: Breaking Up Compaction, Cover Crop Benefits, Cover Crop Challenges, Cover Crop Plots, Cover Crops in Wisconsin, Education, Establishing in dry conditions, Field Days · Tagged: Agriculture in the Central Sands of Wisconsin, cover crops, Cover Crops and drought, Cover Crops in Wisconsin, drought 2012

Oct 25 2012

Cover Crops and Bears?

Radishes, Crimson Clover, and Bears

Walking in cover crop fields in northern Indiana is easy compared to doing it northern Wisconsin.

In northern Indiana my main issue is tripping over large radish tubers sticking out of the ground.

In northern Wisconsin my main issue was that plus watching out for bears. I’m not talking about the Chicago Bears…but real live black bears!  Although I did not see any while conducting cover crop field days near Coleman, WI on October 18, 2012, hearing the stories about the bears raising havoc while AgVentures Co-op employees were harvesting corn plots made me quite nervous.

The cover crop plot was fabulous. There were 5 different mixes to observe plus straight radishes planted at 8#/acre.  The cooperator plans on taking yield tests over each different cover crop mix in his 2013 corn crop.  If he is able to do that I’ll keep you informed of the results.

This cover crop plot near Coleman, WI had beautiful radishes with large tubers – and thankfully NO bears!

 

 

 

 

 

 

 

 

 

 

 

 

The radishes were from 1″ to 3″ in diameter and quite deeply rooted. There was manure applied after wheat harvest so the radishes were “well fed”.

 

 

 

Written by Dave Robison · Categorized: Breaking Up Compaction, Cover Crop Benefits, Cover Crop Plots, Cover Crops in Wisconsin, Seed Selection: What to Plant After..., Wheat · Tagged: black bears, cover crop mixes, cover crop plots, cover crops, Cover Crops in Wisconsin, Radishes

Oct 07 2012

Cover Cropping North of I-80 After Corn & Soybeans – A Whole New World?

There is a lot of Iowa and Minnesota and Wisconsin above I-80. Is this all part of the “no cover crops works here after corn and soybeans” zone? Maybe not!

Sarah Carlson from Practical Farmers of Iowa reminded me that cover cropping north of I-80 is different than cover cropping in northern Indiana.  She’s right.  But how different is it, and why is it different?

Sarah is quoted in a very good article in Corn and Soybean Digest that helps explain the differences.

Several farmers in Wisconsin and northern Illinois are having cover crops aerial applied with good success. But I agree with Sarah; there are still challenges.

Cover Crop Challenges in the North

This field of Annual Ryegrass is in SE Wisconsin and was aerial applied into standing corn in the fall of 2011 with great success.

I see the following challenges to using cover crops North of I-80 after corn and soybeans:

  • Shorter growing season after corn and soybean harvest
  • The use of “full season” (for the region) soybean varieties and corn hybrids to maximize yield potential
  • Fear using winter cereal rye (their best option after corn and beans) because of potential risks
  • Fewer choices for cover crop species to use
  • Harsh winters and less snowfall to protect smaller cover crop plants

Cover Crop Opportunities in the North

  • More aerial applicators successfully flying on cover crops into standing corn and soybeans
  • Improved yields following winter cereal rye, a crop that can be planted late
  • High yields and profit with shorter season corn allowing timely application of cover crops
  • Annual Ryegrass is working well in southern Wisconsin and southern Michigan and there are many positive results from using it.
  • Dixie Crimson Clover has a good history of surviving the winter even in mid-Michigan and southern Wisconsin.
  • Late planted Austrian Winter Peas are overwintering as far north as the top of the Thumb of Michigan.
  • Winter Barley (winter hardy varieties) is surviving well in southern to mid-Wisconsin and in southern Minnesota and used for a cover crop or haylage before planting corn silage.

While not every producer North of I-80 will have success with cover crops after corn and soybeans, there are a number now that are happy with their results.

My message is to use wisdom and best management practices.

IF you want to try cover crops after corn and soybeans and you are north of I-80, realize that you are not the first person to try it.  Many have gone before you with good results.

Don’t give up before you investigate the possibilities.

Now, if you are north of I-90…

Written by Dave Robison · Categorized: Corn, Cover Crop Challenges, Cover Crops in the Northland, Cover Crops in Wisconsin, Soybeans · Tagged: Austrian Winter Peas, Corn and Soybean Digest, cover crops, cover crops north of I-80, flying cover crops into corn, Practical farmers of Iowa, timing of planting cover crops, Winter Barley, Winter Cereal Rye

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