Preparation of spray solution:- First add a little quantity of water to the wettable powder and prepare a thin paste. Add this solution slowly into the required quantity of water and stir well. Operators are always recommended to give the spray a thorough stirring when resuming work after breaks. Plant Protection Equipments: Knapsack or foot-operated sprayers fitted with flat fan or flood jet type of nozzle. To ensure better effectiveness follow the undermentioned guidelines. (1) For pre-emergence application : (a) Ensure that the field does not have clods and stubbles (b) After spraying metribuzin 70 WP, do not disturb the soil. (2) For pre and post-emergence application: (a) Avoid drift of spray