CONTENTS 



Page 



I. Chemicals used for weed control 1 



II. General considerations in the use of herbicides 14 



III. Weed control in field crops 18 



IV. Weed control in horticultural crops 26 



V. Weed control in forage crops, pastures, and rangelands 34 



VI. Control of herbaceous perennial weeds on cropland 40 



VII. Control of weeds along fencerows, ditchbanks, roadsides, utility- 

 lines, and other noncultivated areas 43 



VIII. Control of aquatic weeds 46 



IX. Weed control in lawns and other turf areas 49 



X. Summary of chemicals by crops 52 



XI. Chemicals referred to in this report 57 



XII. Index 59 



This publication supersedes, ARS 22-46, "Suggested Guide for Chemical 

 Control of Weeds," May 1958. 



