Horseweed is considered one of the most troublesome weeds in the United States and Canada—able to produce devastating losses in both corn and soybean yields when left uncontrolled. Populations of herbicide-resistant horseweed ...
Environment
Oct 5, 2020
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6
Farmers around the world are keen to protect their most important asset: their soil. The soil supports and enriches their crops. But the relatively thin layer of topsoil can readily wash away into streams, carrying unwanted ...
Environment
Sep 16, 2020
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10
Intensively tilled soils have lost up to 50% of their original C with the attendant degradation in soil properties and productivity. Restoring the C lost with current conservation practices (i.e., no-till, cover crops) often ...
Environment
Aug 27, 2020
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8
To judge the overall effectiveness of cover crops and choose those offering the most ecosystem services, agricultural scientists must consider the plants' roots as well as above-ground biomass, according to Penn State researchers ...
Environment
Aug 13, 2020
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27
Winter cover crops benefit soil health and can suppress weeds in subsequent row crops but may also lead to lower yields. Some farmers and agronomists speculate that allelopathic chemicals released by cover crops may be the ...
Other
Jul 30, 2020
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4
Researchers from the University of Twente's Faculty of Geo-Information Science and Earth Observation (ITC) have used satellite images to assess the effective use of cover crops in the Dutch province of Overijssel. The study ...
Environment
Jun 5, 2020
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5
Incorporating cover crops with tillage reportedly results in increased cover crop decomposition rates and increased mineralization of nutrients from cover crop biomass. Multiple studies have reported mixed results for corn-soybean ...
Environment
Jun 4, 2020
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11
Cover crops have a well-documented role to play in suppressing troublesome weeds. But what happens as those cover crops degrade?
Plants & Animals
Apr 23, 2020
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7
Cover crop impacts on soil properties depends on cover crop productivity. Planting cover crops early and in a diverse mix of species could be an option to boost biomass production and enhance benefits to soils. However, the ...
Environment
Apr 2, 2020
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8
The Southern High Plains of the United States have low annual rainfall. When it does rain, though, intense storms can cause severe soil erosion. Strong winds also strip away valuable topsoil.
Environment
Mar 4, 2020
0
5
