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Annual Ryegrass – the Germ Seed of Cover Crop Adoption in the US – Part 8

New Equipment to Deliver Seed to the Soil; New Research about Ryegrass as a Cover Crop – Part 2

After meeting, the two university extension agents, Mark Mellbye from Oregon and Mike Plumer from Illinois, established a quick and easy rapport, which was key to the cover crop campaign. On Mark’s first visit, after meeting Mike, they traveled to Junior Upton’s land in hilly, southeastern Illinois. Junior had agreed to be a test farm for annual ryegrass as a cover crop. Both he and Plumer were experienced by then with no-till, and both had been experimenting with cover crops. Plumer had brought his own seed drill to plant annual ryegrass seed on Junior’s place in the fall, after the corn was harvested. Mark had arranged for Oregon seed to be given to Junior for the test plot.

“It took a lot of time to modify equipment for the no-till environment,” Mark said. “It was more than a decade before you would find planter/drills that could clear away excess residue from the row, open and close a slit in the earth for the seed and be able to maintain a uniform seed planting depth. It was a specialty piece of equipment, and while some innovators would modify their existing planters, buying a new one was part of farmers’ resistance to cover cropping.

Two other discoveries helped that issue. First, innovators showed success using planes to broadcast annual ryegrass seed. While it took more seed per acre with broadcasting than a drill, it was quick, it didn’t require a new equipment purchase, and it could be done without tying up a farmer’s time.

A second type of broadcasting seed was also developed, using high-clearance equipment with modified spreaders.

In both cases, a major benefit to aerial or broadcast seeding was that the window for planting a cover crop was opened considerably. Though experimentation, the early adopters found that seed could be sown while the corn or beans were still in the field. Yes, some of it would lodge in foliage and perhaps the coverage was less uniform than with a drill. And, yes, there was less seed-to-soil contact ideal for germination, especially if there wasn’t sufficient rain to establish the cover crop. But compared to the cost of acquiring specialized drill equipment, and the impracticality of planting cover crops after harvest, the cost of buying an extra 10 pounds of seed per acre was insignificant. (see the free management guide)

The second hurdle was to learn enough about the behavior of annual ryegrass as a cover crop to have more confidence talking to potential customers about what to expect and how to manage the crop. This phase was the one where Mark logged the most time. “I made more than 30 trips to the Midwest over a five-year period, during which I worked with Mike and others on gathering data on annual ryegrass research plots in nine different Midwest locations,” Mark said.

The research was in two basic areas: testing different annual ryegrass varieties – some brand new – and then how each variety responded to recommended doses of herbicide. Each of the nine plots was a minimum of five acres, and data was collected on repeated trials over a period of five years. What came out of the research, in addition to which varieties were the hardiest and which the easiest to manage, was the new understanding we have about the potential for herbicide “carryover” from a prior year’s weed control program, which can negatively impact the start of a new cover crop the following year. You can read more about that here. Mark said that Oregon seed growers provided all of the seed for the trials as well.

“During the herbicide trials, we got additional support from industry partners like BASF, Bayer and Monsanto,” Mark added. “And, of course, the contribution of land, time and equipment on the part of the partner farmers in the Midwest was of tremendous value.”

“The final hurdle to overcome was resistance to change,” Mark continued. “And that’s an ongoing effort. What truly helped was getting some research done, getting people like Mike Plumer and Dan Towery involved as educators. Then, beginning in 2010, the Oregon Commission began funding an outreach effort focused on education, not sales. We started with a series of annual ryegrass publications (click here), and because of our widespread research trials, ag media reporters and editors looked at the data and began to profile innovators like Junior Upton, Jamie Scott, Dan DeSutter and others.” These were the early adopters who became champions of no-till, cover crops and annual ryegrass.

“Each year,” Mark added, “me and others from Oregon would also go to the major industry trade shows. Each year, the interest in cover crops grew and the word of mouth provided a big shift in how the public viewed this new crop management practice.”

Likewise, each year, dozens of field day demonstrations would be held, where cover crops were being used and where the grower, and either Plumer or Towery, would give background and details for those with questions.

During the same time period, the Commission also produced a series of instructive videos on various aspects of growing and managing annual ryegrass as a cover crop. You can find those here.

In the next couple of blogs, we’ll introduce Dan Towery, a consultant with an amazing career devoted to conservation agriculture. His contributions, like Plumer’s and Mellbye’s, have helped thousands of growers ease into cover crops, with good advice and hands-on experience.

Annual Ryegrass – the Germ Seed of Cover Crop Adoption in the US – Part 2

Note: this is the first in a series of blog posts summarizing the growth of sustainable agriculture in the U.S. Specifically, this series will look at the role of cover crops and how  Oregon seed growers played a crucial role in introducing cover crops to Midwest farms.

“Ah-Ha” is Shorthand for Innovation

Don Wirth is accustomed to “ah-ha moments” in his life. So, the Oregon grass seed farmer and co-owner of Saddle Butte Ag Inc. wasn’t surprised when the lightbulb went on in his head at the annual Farm Machinery Show in the mid 1990s. He was there representing Oregon grass seed growers, specifically those who grow tall fescue.

“Three farmers from Ohio approached me and asked me what I knew about annual ryegrass. I knew enough to ask them what they knew first,” Don laughed. “Well, they told me they had been rotating annual ryegrass into their corn acreage and using it for grazing and sileage, and that they were getting up to seven tons of ryegrass silage sileage per acre with it.” None of that surprised him, although plenty of questions popped up for him, like what time of year they planted and how they got rid of the ryegrass before planting corn again.  They said they drill the ryegrass into corn stubble and then no till corn into the ryegrass stubble.

When the guys claimed that their corn production had improved in the acres planted with annual ryegrass, Don’s “ah-ha” was the stimulus for what has been a quarter-century of growth in cover cropping and “sustainable agriculture”.

He came back to Oregon that February and shared his news with Nick Bowers, co-owner of another Willamette Valley seed farm and Bryan Ostlund about putting some plots on dairy farms in the Midwest.   The Commission funded the project and plots were established the next year.

At the time, annual ryegrass was a high-volume, low-priced seed used primarily in warmer climates, sprayed liberally on ball fields, parks and highway rights-of-way. The idea that this lowly species might find a niche market, at a higher price, in the corn belt was attractive. At that time, in the mid-1990s, a few innovators had already been expressing delight with the benefits of no-tilling. But cover cropping was almost unheard of.

Fast forward for a moment to 2020. No-tilling and cover crops are household terms in farm country. The reduction of what was called “conventional” tillage is stunning, as farmers adopt management practices that rebuild the soil instead of continually ripping it up every year and seeing much of it wash or blow away during the year’s weather cycles.

The acres committed to no-tilling has risen from about 3 million acres in the mid-1970s (the era that ushered in Earth Day, and the far-reaching Clean Air and Clean Water legislation) to more than 100 million acres. The growth chart suggests that the practice is continuing to climb steeply, as more growers come to understand the benefits, and the savings, available with new management practices.

When Don, Nick and the Commission jumped into promoting annual ryegrass and cover crops, it’s safe to say there were only a handful of highly innovative farms testing cover crops with no-till, which basically amounts to planting a cover crop in the field after corn has been harvested.

Today, the number of acres planted in cover crops is somewhere between 15 and 16 million acres. But, like no-tilling, the rate of adoption is remarkable. For example, in just five years (2012 – 2017) the number of cover crop acres increased by almost 50 percent! And the number of farms using cover crops also increased by 15 percent in that same time.

In the Annual Report 2019 – 2020 Cover Crop Survey published by SARE and the Conservation Tillage Information Center (CTIC), the following paragraph describes what has become an “ah ha” for the agriculture industry.

Growers clearly appreciate the contributions they attribute to cover crops: healthier soils, lower herbicide and fertilizer costs, reduced erosion, and improved weed control. In fact, they appreciate the benefits enough to invest substantially in cover crop seed, and about one in three cover crop users pays for application as well. More than half of the horticulture respondents reported that cover crops increased their profitability.

In the next blog post, you’ll learn more about how the Oregon growers became instrumental in the Midwest adoption of cover crops, through a combination of inspiration, perspiration and innovation and cooperation with Midwest growers, universities and nonprofits.

In the meantime, make note of this FREE educational opportunity, the Fall 2020 national Cover Crop Summit (nov 17 – 18). One of the sponsors is KB Seed Solutions, co-owned by Nick Bowers, one of the Oregon cover crop innovators you’ll learn more about in the next chapter.

Annual Ryegrass Seed Dealer List for 2016

Growth in sales have continue to match growth of acreage of annual ryegrass as a cover crop.

Will we reach 20 million acres in Midwest cover crops acres by 2020? At present rate of growth, perhaps not. But farmers understand how annual ryegrass and other cover crops increase soil health, while also fattening their profitability.

Click here for a list of annual ryegrass seed for your cover crop.