PARM

MANAGING NITROGEN AFTER A COVER CROP

April 8, 2020 9:00 am While cover crop residue can be valuable for soil health, the organic matter can tie up nitrogen and lead to its immobilization. Tim Laatsch technical agronomy manager with Koch Agronomic Services says when using high carbon cover crops like cereal grains it’s important to terminate it at the right time.  “Number one, the herbicide is going to be more effective,” he says.  “But secondly, it is to limit the effects of immobilization.” Read more.

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Study quantifies benefits of farm tech

April 7, 2020 8:38 am Precision agriculture has become mainstream in commercial agriculture production, and many would agree it is “the way we farm today.” Utilization of technology varies from farmer to farmer, but the decision to invest in technology is commonly tied to the potential for increased efficiency and profitability. Read more.

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Farmers lead in watershed protection

April 6, 2020 8:53 am One of the easiest ways for farmers to start contributing to the improvement of their local water quality is to focus on improving their soil quality, Hogseth said. That includes practices such as armoring the soil, minimizing or eliminating tillage, increasing plant diversity, keeping living roots in the ground year-round, and integrating livestock to recycle nutrients and decrease synthetic fertilizers. Read more.

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What to know about phosphorus and potassium soil testing

April 3, 2020 8:35 am In this episode of the Nutrient Management Podcast, three U of M researchers discuss optimal phosphorus and potassium levels in the soil. What are some key takeaways that growers should know about interpreting soil tests? Environmentally, what is the threshold at which we should avoid applications to prevent significant nutrient loss? Is there really an optimal soil test level that farmers should shoot for? Read more.

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