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.
Cover crops are the turbocharger of a no-till operation, but scientists and growers alike are still researching and fine-tuning how covers fit into crop rotations.
Source: By Cole Gustafson, Biofuels Economist, NDSU Extension Service, North Dakota State University
To preserve long-term carbon balances and soil productivity, the goal of maintaining 2,500 to 3,000 pounds of organic matter, on average, after each crop should be the goal.
Keeping the soil permanently covered is the best way to increase profits in farming no matter where a producer lives or what kind of soil his fields have, says Juca Sa from Ponta Grossa, Brazil.
As a no-tiller, you know crop residue is crucial to the success of the system. It protects the soil against the forces of wind and water erosion, provides food for earthworms and microorganisms and holds valuable nutrients.
Conservation tillage practices are also needed to stop soil erosion, store carbon and keep the soil healthy to produce high quality crops and good yields, says Jerry Hatfield of the USDA.
A new study reveals that optimizing yields on existing farmlands reduces net carbon emission compared with expanding tillable acres at the expense of forests, especially in the tropics.
The only national carbon trading market in the U.S. will close its doors next month, due to stalled legislation in Congress and Republican gains in the midterm elections.
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On this episode of Conservation Ag Update, brought to you by Martin-Till, precision specialist Chad Baker, co-owner of Baker Precision Planter Works in Orangeville, Ill., helps a first-generation no-tiller with planter setup, and later encounters a couple problems with a strip-tiller’s new 24-row planter. Plus, veteran agronomist Brad Forkner checks in with a couple tips for farmers to keep in mind before they take the field.
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