Growing Returns

Selected tag(s): cover crops

Meet the farmer who helped make no-till the norm in north central Montana

mattson-logoApproximately 56 percent of all corn, soy, wheat, and cotton farms use strip-tillage or no-till on at least a portion of their land. No-till, as defined by experts at the U.S. Department of Agriculture, means “limiting soil disturbance to manage the amount and distribution of crop and plant residue on the soil surface year round.” Strip tillage, meaning soil disturbance occurs on 30 percent or less of the field, also qualifies as no-till.

No-till is a widely recognized conservation practice that can help growers maximize soil health. The practice works best when implemented year after year and combined with other conservation measures like fertilizer efficiency and cover crops (wherever geography permits). There are myriad benefits for farmers and the planet, but barriers still exist.

That’s why I’m so amazed by a no-till adoption rate of 90 percent in north central Montana.

I talked with Carl Mattson, Montana grain grower and an agricultural policy and conservation consultant, about why he made the switch to no-till, why he was an early adopter of the practice, why so many farmers in his region use no-till, and what he sees as other obstacles to the future of sustainable farming. Read More »

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Fertilizer runoff is just one piece of the dead zone puzzle

Credit: Ohio Wetlands Association

Dead zones (also called hypoxic zones) are caused by a rapid growth in algae that leads to less dissolved oxygen in the water and the death of aquatic species. Credit: Ohio Wetlands Association

It’s true that fertilizer runoff, sewage, and other pollutants from the Corn Belt have significantly boosted dead zones in the Gulf of Mexico. That’s because up to half of the fertilizer applied isn’t absorbed by crops, and in order to grow more food we’re using 20 times more fertilizer in the Corn Belt today than in the 1950s.

But even if we optimize fertilizer use on all cropland in the Upper Mississippi and Ohio River Basins, nutrients will still be lost to rivers and streams and carried into the Gulf of Mexico. Some of this loss is inevitable given factors like unpredictable weather, but my colleagues and I set out to quantify other reasons for why the Corn Belt exports so much nitrogen.

We discovered that an increase in fertilizer inputs is only one part of the problem. Three other distinct but interconnected factors also contribute to water pollution and the Gulf dead zone: the loss of perennial cover, the construction of artificial drainage systems, and the loss of wetlands. Read More »

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Why one Kansas farmer is leading a soil health revolution

Grower Gail Fuller

Kansas farmer Gail Fuller

Soil health wasn’t always this sexy. The United Nations has named 2015 the International Year of the Soils, the National Corn Growers Association created the Soil Health Partnership, and the Telegraph newspaper is claiming that we can only ignore the soil crisis for so long, and that “just a handspan of topsoil lies between us and oblivion.”

But Kansas farmer Gail Fuller has been at the forefront of soil health measures since the early 1980s. Just last month, he hosted the fourth annual “Fuller Field School,” a soil health workshop that was attended by growers from across the globe.

I asked Gail, who operates a diversified 1,000 acre farm in Emporia, Kansas, to tell me why soil health is so important for our food system, and why other growers should get on board. Read More »

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Sustainability and profitability go hand-in-hand, says Iowa corn farmer

TimRichter

Tim Richter, owner of Saratoga Partnership.

Farming is a tough business. With constantly changing crop prices, difficult to predict and increasingly extreme weather variations, and changing consumer demands, growers don’t have an easy time of it.

Like any business, profitability is the number one priority. And it should be – if you are not profitable, it’s very hard to stay in business.

All the growers I’ve worked with care deeply about their land. In a recent survey of a group of Midwestern farmers, “land stewardship” ranked as their top value. And sustainability is in a farmers’ best interest since healthy lands plays a huge role in whether farms will be around – and productive – for the next generation. But making agriculture truly sustainable will require investment from farmers.

Here’s the good news: sustainability and profitability can go hand-in-hand. Efficiencies like fertilizer optimization can result in cost savings. And with those savings, growers can invest in new technologies and cover crops, which can help make farms more resilient and increase yields, generating long term economic gain.

I asked Tim Richter, owner of a swine and corn farm operation spanning 9,000 acres in northern Iowa and Missouri, to tell me his profitability and sustainability story. Read More »

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Let’s focus on a farm’s performance, not its size

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Credit: Flickr user Dwight Sipler

What comes to mind when you think of a “family farm?” You’re probably picturing a bucolic spread of less than 100 acres, with a red barn, farmer in overalls, and cows grazing a big pasture. What about the phrase “corporate farm” or “big ag?” Do you see a giant, impersonal and industrial-looking operation?

Unfortunately, these common (mis)perceptions are regularly promoted in everything from TV ads to online chats. But the reality is that “big” does not equate to “bad,” and “small” doesn’t necessarily mean “good” when it comes to sustainable farming. In fact, it’s the wrong debate altogether.

What really matters is performance, not size.

Today is National Agriculture Day, celebrated annually on March 18, and this year’s theme is sustaining future generations. If we’re going to meet the needs of a rapidly growing population, we’re going to need large and small farms alike. And no matter their size, they’ll need to minimize their impacts on the natural systems that sustain us all. Read More »

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How nature can protect farmers against droughts and floods

medium_15820852967Wacky weather isn’t just a fluke. According to the National Climate Assessment (NCA), extreme weather events are becoming more common and are likely to increase in the future, which poses challenges for farmers and communities.

Traditional ways of responding to weather crises, such as building higher flood walls and digging deeper wells are expensive and often fail.

The good news is that farmers are increasingly turning to more natural solutions and practices, often referred to as “green infrastructure,” that use nature to reduce the impacts of both floods and droughts.

Green infrastructure is also needed to reduce fertilizer pollution and restore the Gulf of Mexico dead zone to safe levels, as a new study published today in the Journal of the American Water Resources Association (JAWRA) reports.

Read More »

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No-till farming can reduce input costs and improve soil health

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No-till expert Barry Fisher. Credit: NRCS

Everyone agrees that no-till farming should be used in conjunction with other practices to maximize soil health – but in reality, “no-till” means different things to different people across the agricultural world.

To clarify what exactly is involved in no-till farming, a key topic of discussion at this week’s Soil Health Partnership (SHP) summit in St. Louis, I asked one of Indiana’s leading tillage experts, Barry Fisher, an agronomist and soil health specialist with the Natural Resources Conservation Service (NRCS).

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The key ingredient in a resilient food supply: healthy soil

Dec. 5 is World Soil Day.

Dec. 5 is World Soil Day.

Last year, the United Nations General Assembly declared December 5th as World Soil Day. This annual event aims to “connect people with soils and raise awareness of their critical importance in our lives.”

As the Food and Agriculture Organization of the U.N. notes, we often ignore soil’s key role in our food systems, climate, and in sustaining biodiversity. Today, 33 percent of the planet’s soils are considered degraded – and this has vast implications for meeting the world’s growing demand for food.

In honor of World Soil Day, I asked Nick Goeser, Ph.D., soil health and sustainability manager for the National Corn Growers Association, to elaborate on why soil really matters.

How is soil health tied to food production? Read More »

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Cover crops nourish the soil through winter

Bees enjoy the buckwheat cover crop in the author’s kitchen garden.

Bees enjoy the buckwheat cover crop in the author’s kitchen garden.

The harvest season is ending, but for many growers concerned about the health of their soil, it is time to plant cover crops. I am not a farmer, but I wondered: if cover crops work for farmers, would they improve the soil in my North Carolina kitchen garden?

So late this summer I planted a buckwheat cover crop on half of my garden. I’ll be honest. My record as a gardener is spotty. This year we had a bounty of tomatoes and volunteer pumpkins, while nothing else thrived. A cover crop could improve my soil and my harvest next summer.

Cover crops offer big benefits

On farms, cover crops include grasses and grains such as cereal rye, legumes such as crimson clover, and broadleaf plants like radishes. They are not harvested like corn or soybeans. Instead, they are left in the field or incorporated into the soil.

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How the marketplace is driving clean water solutions

BoyMomDrinkFtn_Photos.com_87822780_4CC_RFFederal and state governments aren’t doing enough to keep polluted runoff from reaching America’s waterways. That’s the conclusion the Environmental Protection Agency – aka the federal government – has reached in a new report from the office of its inspector general.

Anyone surprised?

Government has tried to reign in nutrient pollution for decades, only to watch dead zones persist in the Gulf of Mexico, Chesapeake Bay and Lake Erie. Just last month, a toxic brew of urban and agricultural runoff shut down Toledo’s water for two days. Seven weeks later, many of the city’s half million residents are still afraid to drink what’s coming out of the tap.

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