Cover crops as an integrated management strategy against troublesome weeds in Kansas
2021
- Department of Agronomy, Kansas State
Project Media
Cover crops are a promising integrated management strategy for Palmer amaranth
and other troublesome weed species. Multiple factors contribute to weed control
associated with cover crops. This presentation will review data describing the impact of
cover crops on weed suppression in field crop production systems with an emphasis on
Palmer amaranth and other troublesome species that occur in Kansas. Studies conducted
between 2017 and 2020 in corn, soybean, and grain sorghum at various locations in
Kansas will be discussed, as well as supporting data from other locations. When
considered collectively, the data suggest that the primary factors influencing weed
control by cover crops in Kansas are timing of weed emergence and cover crop biomass
production.