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Logarithmic Sprayer Evaluations of Herbicides in Horticultural Crops

Published online by Cambridge University Press:  12 June 2017

L. L. Danielson  and
Robert E. Wester
L. L. Danielson
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Beltsville, Maryland
Robert E. Wester
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Beltsville, Maryland
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Extract

The logarithmic, or variable-dosage, sprayer described by Pfeiffer, Brunskill, and Hartley (4) for use in experimental field plot studies appears to offer a means of materially reducing the time and space required to conduct field evaluations of herbicides in horticultural crops. The experiments described herein were conducted to determine the conditions necessary for the successful use of the sprayer in evaluations of this type.

Type
Research Article
Information
Weeds , Volume 7 , Issue 3 , July 1959 , pp. 324 - 332
Copyright
Copyright © 1959 Weed Science Society of America 

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References

Literature Cited

1. Brunskill, R. T. A variable dosage sprayer for agricultural use. Jour. Agr. Engr. Res. Vol. 2. 1957.Google Scholar
2. Fryer, J. D. A small scale logarithmic sprayer. Proc. 3rd British Weed Cont. Conf., p. 585. 1956.Google Scholar
3. Hartley, G. S., Pfeiffer, R. K., and Brunskill, R. T. Variable dosage spraying for experimental work. Proc. 3rd British Weed Cont. Conf., p. 571. 1956.Google Scholar
4. Pfeiffer, R. K., Brunskill, R. T., and Hartley, G. S. A variable dosage sprayer for agricultural experiments. Nature 176:472. 1955.Google Scholar