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This outline has been prepared as a guide for field workers in weed control: for county, township, and neighborhood supervisors and for farmers cooperating in the program. The control measures presented here are based on the latest information available from weed control research and proven field applications. A choice of methods and procedures is presented that will fit practically all situations. It is assumed that local practices will be kept within the limits of recommendations outlined. Each of the eight weeds listed as noxious will be considered and recommendations for use of (1) intensive cultivation (2) intensive cropping, and (3) chemicals will be outlined for each weed. The choice of procedure to be adopted will depend on several factors, namely: (1) extent of infestation; (2) value and productivity of the land; (3) availability of material, equipment, and manpower; (4) adaptability of control practices, and (5) adaptability of crops. Recommended practices for weed control involving intensive cultivation or the use of chemicals, for weed control have been approved for payments by the State office of the Production Marketing Administration. In selecting a program from this outline, compliance requirements for soil conservation payments should also be considered. Recommended practices that involve long periods of intensive cultivation, especially those that leave the soil barren during the winter, are conducive to soil erosion. In areas where this condition is a hazard the practice should be modified to conform with recommended soil conservation practices.

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Agricultural Experiment Station, South Dakota State College