The Iowa Soybean Association shares the pros and cons of making a fall application and using ammonia anhydrous, and what to keep mind if you do make a fall pass.
The University of Minnesota Extension provides guidelines developed through years of unbiased research to help growers make the best decisions for their nitrogen management.
When transitioning to strip-till, farmers may gradually adopt the practice, testing the system on a small number of acres and then expanding once they begin to see the benefits.
No-tillers who research the most efficient timing, placement and method of nitrogen application can reduce environmental losses and still increase yields.
As the U.S. EPA pressures state regulators to follow provisions in the Clean Water Act more closely, many states are drawing up nitrogen management plans that could affect no-tillers in the future.
Through research, Minnesota strip-tiller David Legvold and college senior Emma Cornwell found the most profitable rate of sidedressed liquid 28% isn’t always the highest rate.
Ever since David Legvold began farming land owned by St. Olaf College at Northfield, Minn., about 9 years ago, he’s worked with university professors and students to document the impacts of tillage and crop inputs on profitability, soil health and water quality.
As producers start thinking about anhydrous application for wheat this fall, extremely dry soils can be a concern, said Dave Mengel, K-State Research and Extension soil fertility specialist.
While some sacrifices are required, more no-tillers are putting down fertilizer with the planter to reduce field passes, boost nutrient efficiency and improve soil health.
The push to increase productivity and yields in agriculture has convinced an increasing number of no-tillers to explore one-pass planting and fertilizing systems.
Source: By George Rehm, University of Minnesota Extension
I thought that the sequence of reactions that takes place when anhydrous ammonia is added to the soil was understood by crop producers and those who advise them.
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Franck Groeneweg, who no-tills a variety of crops on more than 12,000 acres near Three Forks, Mont., shares how his massive Johnson-Su bioreactor system allows him to apply compost extract in furrow during planting season.
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