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John Deere Planter Seeding Attachments (Feb 05, 2013)
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Residue management

Too much residue in the seedbed is never a good thing, which is why residue managers are essential to achieving uniform emergence. Residue managers push aside the residue that could get in the way of your seedlings and prevent them from developing uniformly. Brad Freesmeier, a farmer in southeastern Iowa, currently uses row cleaners from Yetter on the 1,100 acres he farms.[i] According to Freesmeier, row cleaners are key to improving uniformity. Yetter Iowa Territory Manager Andy Thompson says many farmers in Iowa are placing more emphasis on uniform emergence every year.

 Depth

 Planting depth has a huge impact on root development as well as plant development, so a uniform seed depth is one of the key factors to promoting uniform emergence. Kirk Reese, agronomy research manager for Pioneer Hi-Bred International, says, “In general, recommended corn planting depth ranges between 1.5 to 2 inches below the soil surface. Seed-to-soil contact is maximized when corn seed is planted at the recommended depth.”[ii] Emergence may be delayed with deeper planting, but corn will emerge more uniformly.

 Starter fertilizer

The use of starter fertilizer jump starts growth, feeding the plant just what it needs while it is becoming established. Because of this, it is crucial to healthy emergence. There is a wide variety of starter fertilizer options available that can be tailored to your specific needs. Consult your local agronomist for a recommendation.

Soil testing can also play a crucial role in seed emergence. Refer to the November 20, 2012, issue of the Leading Edge for valuable information on soil testing.

Seed-to-soil contact

Says Yetter Territory Manager Jared Head, “Think of soil like a blanket. If your seed is completely wrapped up in the soil, it’ll sprout more consistently. Soil acts as a moisture conductor. The more contact, the more moisture is available to help the seed sprout.” Investing in good closing wheels can help provide good seed-to-soil contact by closing the furrow. Closing wheels will crumble the soil and help firm it down around the seed.

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