Engineering improvements and on-the-go adjustment are making it easier for no-tillers to clear residue from the row and improve seedling emergence, crop stands and yields.
With tremendous pressure placed on timely planting, no-tillers are looking to have their planters functioning at a high level to maximize emergence and yields.
Source: By Andy Lenssen, Soybean Systems Agronomist, Iowa State University
Soybean is susceptible to yield loss from water deficit, drought stress, at two key developmental stages, germination and reproduction-seed development.
There are no major insect pests of soybean seedlings, but occasionally we do run into problems. Some folks use an insecticidal seed treatment in soybeans. While these products are effective to kill insects, they will not provide a yield benefit.
Source: Michigan State University MSUWeeds.com blog
Michigan State University is participating in a study with several other states in the Northeast U.S. to look at how cover crop residue impacts weed-seed decay over time.
No-tillers that follow guidelines can remove some stover from continuous-corn fields and still warm up soils, improve nitrogen efficiency and retain organic matter.
No-tillers growing continuous corn often face a dilemma when residue piles up in their fields after harvest, leaving a mat that can keep soils cold and wet and make planting difficult.
Source: By Darrel Good, Agricultural Economist, University of Illinois
Even with higher average yields this year, substantially lower corn prices could have a disproportionately large impact on producer returns as anecdotal evidence suggests that a relatively small portion of the 2012 crop has been forward-priced at higher price levels.
Residue management at planting is paramount to no-till success. Moving residue away from planter openers and gauge wheels ensures the planter can place seed in a way that maximizes stand uniformity.
When no-tillers have problems maximizing yields, the cause can often be traced back to the start of the growing season, when no-till drills and air seeders started making their passes.
Corn residues are a major factor contributing to lower yields for corn following corn compared to corn rotated with soybean, particularly under no-till management.
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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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