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Chemical Weed Control in Seedling Alfalfa. I. Control of Weedy Grasses

Published online by Cambridge University Press:  12 June 2017

M. K. McCarty  and
Paul F. Sand
M. K. McCarty
Affiliation:
Crops Research Division, A.R.S., U.S.D.A.
Paul F. Sand
Affiliation:
Crops Research Division, A.R.S., U.S.D.A.
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Extract

Establishment of new seedings of alfalfa is often difficult because of the many hazards encountered during the first season of growth. In the Central Great Plains moisture is often the major factor determining the degree of success of the operation. This condition can be accentuated by the presence of a population of annual grasses such as the foxtails (Setaria spp.) and barnyard grass (Echinochloa crusgalli L. Beauv.). These grasses have a more rapid seedling growth rate than alfalfa and tend to produce a drouthy condition in the soil by rapid utilization of the available moisture. The same effect often results from the use of oats or other small grains as companion crops.

Type
Research Article
Information
Weeds , Volume 6 , Issue 2 , April 1958 , pp. 152 - 160
Copyright
Copyright © 1958 Weed Science Society of America 

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References

Literature Cited

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