. Cranberries; : the national cranberry magazine. Cranberries. Each spring- a considerable acreage of bog is plagued by the green scum problem. February is a good month to check bogs for this pest and take the necessary steps to correct it. The past his- tory of the scum problem is a dependable guide as to whether the copper sulfate treatment will be necessary. Certain bogs seem to have a scum condition every year, while others, like the State Bog, seldom require treatment. No doubt the cheapest method is to broadcast fine crystals of cop- per sulfate on the ice at the rate of 10 pounds r^er a
. Cranberries; : the national cranberry magazine. Cranberries. Each spring- a considerable acreage of bog is plagued by the green scum problem. February is a good month to check bogs for this pest and take the necessary steps to correct it. The past his- tory of the scum problem is a dependable guide as to whether the copper sulfate treatment will be necessary. Certain bogs seem to have a scum condition every year, while others, like the State Bog, seldom require treatment. No doubt the cheapest method is to broadcast fine crystals of cop- per sulfate on the ice at the rate of 10 pounds r^er acre in February and again in March if scum is still present. Since this algae starts near the ditches, it is well to give these areas special atten- tion. A word of caution is neces- sary, since copper sulfate is harmful to fish life. It is sug- gested that a reasonable period of time should elapse before drain- ing off" the winter flood into any fish pond or stream after treating for scum. New Charts The Cranberry Insect, Disease and Weed Control Charts have been revised and are now being printed. A now Fertilizer Chart has been prepared and will be is- sued for the first time this spring. It should be considered as a guide or tool and should be used only with judgment. Some bogs have high production without the use of fertilizers, while others have Dodge "JOB-RATED" Truck The Right Engine is available in all new models to haul most economically — 103 to 202 horsepower. SEE MORE HAVE MORE SAVE MORE STAKE - PICK-UP - PANEL Vz - % - 1 to 4 ton Robert W. Savary East Wareham, Mass. Tel. Wareham low production in spite of fairly heavy applications. The sugges- tions and observations of growers who assisted with the revision and development of these charts were most helpful to the Experi- ment Station stafl'. New Survey A Massachusetts cranberry sur- vey, or census, is being conducted this winter under the supervision of the Massachusetts Department of A
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