Growing Returns

Selected tag(s): nitrogen

Beyond regulation: making the business case for sustainable farming

BarnStream_shutterstock_1539474_RFRegulations and lawsuits generate more tension, disagreement, division, and, too often, failure to communicate, than just about anything else in the agricultural world. Regulations are on my mind of late because of several developments:

    • Ohio recently considered legislation to increase regulations on fertilizer applications after a toxic algae bloom last August shut down water supplies to nearly half a million people.
    • The Environmental Protection Agency (EPA) is in the final stages of a proposal to resolve ongoing confusion about the extent of federal jurisdiction over isolated wetlands and streams under the Clean Water Act (CWA), clarifying which are protected and which are not, based on science. Sixty percent of our nation’s streams lack clear protection from pollution under the CWA, yet one of every three Americans gets their drinking water from streams that are vulnerable to pollution.  Just this week, new Senate Majority Leader Mitch McConnell noted that Congress will address this proposal in the current legislative session.

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    Will Ohio’s proposed fertilizer legislation solve the runoff problem?

    Proposed legislation in Ohio would regulate when farmers can apply fertilizer to their fields

    Proposed legislation in Ohio would regulate when farmers can apply fertilizer to their fields.

    The Ohio General Assembly will vote next week on legislation that aims to address the problem of nutrient pollution, which was responsible for a massive algae bloom in Lake Erie that contaminated the drinking water of more than 400,000 Ohio residents this past August.

    In short, the bill would ban application of fertilizer on land that is frozen, covered by snow, saturated with rain, or when the weather predicts a certain amount of rainfall. Those who violate the ban could face penalties of up to $10,000.

    Policies that set rational ground rules for when farmers can apply fertilizer to their fields and that create real incentives to reduce nutrient pollution are important, but it’s going to take more than legislation to solve the runoff problem. Read More »

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    General Mills selects United Suppliers to increase fertilizer efficiency in the field  

    SUSTAIN logo_circle_4cIsn’t it nice when somebody steps forward boldly to do the right thing and is rewarded for doing so? General Mills did just that for United Suppliers and the SUSTAIN platform, which will help farmers improve nitrogen use efficiency and productivity.

    In July, General Mills put out a call for proposals to help the company meet increased production needs in ways that contribute to cleaner air and water.

    It was almost like a future posting in sustainability want ads: “General Mills, a 17+ billion dollar food company, has the following need: Seeking best practices in nitrogen fertilization (nitrogen optimization) technologies for sustainable agriculture.”

    The company recognized the pressing need to limit nutrient losses while also helping farmers produce more of the wheat, corn, soybeans and other crops it needs to make the products we buy.

    And the winners are….
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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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    A business-smart approach to ending fertilizer pollution

    Toxic algae bloom in Lake Erie. Photo credit: NOAA

    Toxic algae bloom in Lake Erie. Photo credit: NOAA

    The toxic algae scare in Toledo this past summer really drove home the problem of fertilizer pollution in this country, right through the faucets of half a million unsuspecting residents. Don’t drink the water, officials warned. Don’t even touch it.

    We need and rely on farmers every day for our well-being. But when producing food for a growing population threatens to deprive us of water, another life essential, it’s time to rethink the way we feed America.

    That’s why I’m so excited about EDF’s new Sustainable Sourcing Initiative. Our goal in this collaborative effort is to engage every player in the U.S. grain supply chain to solve what has been an intractable problem for decades.

    The challenge

    Fertilizer, of course, is necessary for achieving high crop yields. But its inefficient use contributes to climate instability and causes dead zones that contaminate water supplies and kill millions of fish each year.

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    What is climate-smart agriculture?

    quoteYou may have heard by now about “climate-smart agriculture.” It’s the catchphrase that came out of the United Nations Climate Summit this week and the reason I was in New York to participate in a panel discussion on how to achieve food security for a growing population in a climate-changing world.

    More than 20 governments and 30 organizations announced they would join the newly launched Global Alliance for Climate-Smart Agriculture, which aims to enable 500 million farmers worldwide to practice climate-smart agriculture. This is wonderful. But what does it mean in practice?

    My colleagues and I have been asking ourselves this question since the concept was originally introduced by the UN’s Food and Agriculture Organization in 2010. Over the past four years, we’ve done some hard thinking on which practices, precisely, will get us to a point where we can keep pace with the food demands of a growing global population and increase the resiliency of our food systems to the harsh impacts of climate change.

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    Fertilizer-efficiency credits seed the market for agricultural offsets

    tractorFertilizer use is key to increasing the productivity necessary for farms to feed rising populations.  However, not using the right amount in the right place at the right time is one of the biggest threats to a stable climate. Nitrogen fertilizer not used by crops emits nitrous oxide, a heat-trapping gas 300 times more powerful than carbon dioxide. It also contaminates water supplies, causes algae blooms downstream and erodes soil health.

    So, it was welcome news last week when the first greenhouse gas credits for fertilizer efficiency made their debut in the North American carbon market.

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    Smithfield Foods, world’s largest pork producer, works with EDF to cut emissions

    Corn is a common hog feed

    Corn is a common hog feed

    First, the facts: We will have 9 billion people on the planet by 2050. That’s 2 billion more than we have today – stretching Earth’s land and water resources to meet nutritional needs in a dramatically changing climate.

    In the United States, the Environmental Protection Agency calculates that agriculture is the fifth-largest source of greenhouse gas emissions, contributing 8 percent of total GHGs. Fertilizer use and soil management are responsible for half of those emissions.

    Next, the challenge: Many farmers encounter difficulties in determining the precise amount of nitrogen fertilizer their crops need. It gets tricky. Using too little fertilizer can limit crop production. Too much fertilizer pollutes water and emits a potent greenhouse gas called nitrous oxide, which is 300 times more powerful than carbon dioxide.

    The stark reality is that crop production must increase approximately 70 percent by 2050 to feed our growing human population. We cannot choose between agricultural productivity and sustainability — we must have both. Read More »

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    From field to table, how companies and farmers are working together to feed the world sustainably

    Len Corzine in the field

    Len Corzine in the field

    If we’re going to meet the food needs of a growing world population while sustaining the natural resources on which we all depend, we’re going to need the help of American farmers. From organic to conventional, local to global, small to very large, everyone will need to do their part — including companies working in the agriculture supply chain that brings food to our tables.

    That’s why I was so excited to attend the Walmart Sustainability Expo in Bentonville, Arkansas, this week with a farmer who has a deep commitment to economic and environmental sustainability on his operation.

    Len Corzine grows corn and soybeans around Assumption, Illinois, and has been a leader in the agricultural community for a long time. He is now contributing his insights and experiences as a farmer to help major food companies meet Walmart’s preference for nitrogen-efficient products. Len was invited to Walmart’s Sustainability Expo to spread the gospel of sustainable agriculture. Read More »

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