Effect of Soil Type and Irrigation Method on Lateral Movement of Cycloate

In greenhouse studies, lateral movement and toxicity of S-ethyl N-ethylthiocyclohexanecarbamate (cycloate) to barnyardgrass (Echinochloa crusgalli (L.) Beauv.) was greater in a loamy sand soil than in two silt loam soils when cycloate was applied by subsurface line injection. Greatest movement and e...

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Bibliographic Details
Published in:Weed science 1971-11, Vol.19 (6), p.709-711
Main Authors: Stanger, Charles E., Appleby, Arnold P.
Format: Article
Language:English
Subjects:
Echinochloa crus-galli
Furrow irrigation
Irrigated soils
Irrigation
plants
Silt loam soils
Soil organic matter
Soil treatment
Soil water
Soil water movement
Sprinkler irrigation
Subsurface irrigation
weed science
weeds
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Summary:In greenhouse studies, lateral movement and toxicity of S-ethyl N-ethylthiocyclohexanecarbamate (cycloate) to barnyardgrass (Echinochloa crusgalli (L.) Beauv.) was greater in a loamy sand soil than in two silt loam soils when cycloate was applied by subsurface line injection. Greatest movement and effectiveness resulted from injection into a preirrigated soil without further irrigation. Lateral movement was adequate under furrow irrigation, but the treated band was displaced. Movement of the cycloate was inadequate under sprinkler or subirrigation. Cycloate was more effective when mechanically mixed with the soil than when injected. Cycloate moved more readily in moist soils than in dry soils. When cycloate was injected into a dry loamy sand soil, movement was similar whether irrigation was applied immediately or after 24 hr.
ISSN:0043-1745
1550-2759
DOI:10.1017/S0043174500051110