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Soil Water and Growth of Rice and Weeds

Published online by Cambridge University Press:  12 June 2017

Roy J. Smith Jr.  and
W. T. Fox
Roy J. Smith Jr.
Affiliation:
Agr. Res. Serv., U.S. Dep. of Agr., Stuttgart, Arkansas 72160
W. T. Fox
Affiliation:
Univ. of Ark. Rice Branch Exp. Sta., Stuttgart, Arkansas 72160
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Abstract

In pot culture experiments in the greenhouse, rice [Oryza sativa L. ‘Nova 66’], red rice [O. sativa L.], barnyardgrass [Echinochola crus-galli (L.) Beauv.], broadleaf signal-grass [Brachiaria platyphylla (Griseb.) Nash], northern jointvetch [Aeschynomene virginica (L.) B.S.P.], and hemp sesbania [Sesbania exaltata (Raf.) Cory] were seeded 1.3, 2.5, 5.1, and 10.2 cm deep in Crowley silt loam which was held at field capacity (24% moisture), saturation (34% moisture), or submerged 1.3 or 5.1 cm. At field capacity and saturation all species seeded 1.3, 2.5, and 5.1 cm deep emerged and grew well; seeding the plants 10.2 cm deep reduced emergence and growth. Submergence of the soil controlled all weeds effectively but reduced emergence and growth of dry-seeded rice.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 1 , January 1973 , pp. 61 - 63
Copyright
Copyright © 1973 Weed Science Society of America 

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References

Literature Cited

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