. Cranberries; : the national cranberry magazine. Cranberries. A REVIEW OF CRANBERRY WEED CONTROL Weeds in cranberry marshes in- ercept the sunlight needed by the ranberry plants, slow wind cur- ents that help to evaporate dew ;ind rain, compete for soil moisture ind nutrients, and interfere with [fficiency of harvest. There is evi- dence that certain weeds serve as aosts for insects that attack cran- berries, , tipworm on loosestrife ind dearness scale on grass leaved ;oldenrod. Weeds are also unsightly i'nd an irritant to the cranberry ;rower. Altogether the many weed species found in as
. Cranberries; : the national cranberry magazine. Cranberries. A REVIEW OF CRANBERRY WEED CONTROL Weeds in cranberry marshes in- ercept the sunlight needed by the ranberry plants, slow wind cur- ents that help to evaporate dew ;ind rain, compete for soil moisture ind nutrients, and interfere with [fficiency of harvest. There is evi- dence that certain weeds serve as aosts for insects that attack cran- berries, , tipworm on loosestrife ind dearness scale on grass leaved ;oldenrod. Weeds are also unsightly i'nd an irritant to the cranberry ;rower. Altogether the many weed species found in association with cranberries reduce the productivity ind efficiency of cranberry culture. A weed control program is built iround management program to develop optimal soil drainage, con- trolled soil fertility, effective dis- 3ase and insect control and the wise use of herbicides. The use of herbi- M. N. Dana Department of Horticulture University of Wisconsin-Madison cides supports the other manage- ment practices but must not be expected to provide weed eradica- tion and the prevention of rein- vasion. The petroleum derivatives (Stoddard solvent, Kerosene, Fuel oil) have been used for weed con- trol for many years. This group of contact killers is most effective against early starting weeds-those that commence new growth before the cranberry vines pass the white bud stage. Oil sprays in early spring kill the tops of many weeds and suppress weed growth until after the critical cranberry blossom time. When used against newly estab- lished weeds in young cranberry plantings there is often a good weed kill. Recent advances in oil prices and shortages of oil may make any memf Ileotrlo €1®. ROBERT NIEMI ELECTRICAL CONTRACTORS HEAT, LIGHT and POWER WIRING •RESIDENTIAL • COMMERCIAL • INDUSTRIAL TEL. 295-1880 Robert Niemi Pinehurst Wareham, Mass. discussion of this herbicide an aca- demic question. Five years ago an application of 350-400 gallons per acre represented a cost
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