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Weed Science

Kansas Agricultural Experiment Station Research Reports

Cover crops

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Full-Text Articles in Life Sciences

Using Cover Crops As An Effective Weed Control Method In Southeast Kansas, L. I. Chism, J. A. Dille, G. F. Sassenrath Jan 2019

Using Cover Crops As An Effective Weed Control Method In Southeast Kansas, L. I. Chism, J. A. Dille, G. F. Sassenrath

Kansas Agricultural Experiment Station Research Reports

Weed control is important to optimize crop production. This study was conducted to compare the effectiveness of different methods of fall-implemented weed control strategies. These strategies included different cover crop mixes, chemical control, and mechanical control. The cover crop mixes included four different commonly-planted winter cover crops. The chemical control was a fall-applied burndown, and the me­chanical control was vertical tillage. We found cover crop mixes that contained cereal rye provided the most weed control, with the chemical control being a close second. Spring oats die during the winter because of the low temperatures. The three cover crop mixes containing …


Effects Of Spring-Planted Cover Crops On Weed Suppression And Winter Wheat Grain Yield In Western Kansas, A. K. Obour, J. D. Holman, J. A. Dille, V. Kumar Jan 2019

Effects Of Spring-Planted Cover Crops On Weed Suppression And Winter Wheat Grain Yield In Western Kansas, A. K. Obour, J. D. Holman, J. A. Dille, V. Kumar

Kansas Agricultural Experiment Station Research Reports

Herbicide resistant (HR) weeds pose a major challenge to continuous no-tillage (NT) dryland crop management systems. Integrating cover crop (CCs) in dryland crop rota­tions could suppress weeds and provide a weed management option for HR weeds in NT systems. Field experiments were conducted to investigate weed suppression poten­tial of spring-planted CCs and their impacts on subsequent winter wheat grain yields. The CCs were oat/triticale, oat/triticale/pea, spring pea, and chem-fallow (standard) over 3 years and 2 locations in western Kansas. A weedy-fallow check was added to compare weed suppression of CCs in 2 out of the 3 years. Results showed CC …