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 through stirring when resuming wotk   after breaks.        

Plant Protection Equipments :

Knapsack or foot operated sprayers fitted with flat fan or flood jet type of  nozzle. 

To ensure better effectivenss follow undermentioned guidelines.

1) For pre-emergence application : 

 (a) Ensure that the field do not have clods and stubbles 

 (b) After spraying   metribuzin 70 WP, do not distrub the soil.  

 (2) For pre and post emergence   application: 

 (a) Avoid drift of spray into adjoining crop field. 

The recommended time of application and dose should be observed. metribuzin 70         WP  should be sprayed with flood jet/flat fan nozzles without overlapping spray swaths. 

To keep uniform swath width, it is advisable to keep the nozzle height   constant from ground level i.e. 48-50 cms. 

Precautions by users :-           

1. After each operation the mixing   and spraying equipment is to be rinsed thoroughly with plenty of water, using   a detergent or soap solution before being put to use for spraying other pesticides.

2. Any surplus spray solution must not be disposed off in crop  lands or in stagnant. flowing water, where there is a possibility of polluting   sources. 

Limitations for use:-    

It should not be used in crops where   it has not been recommended. It should never be used in combination with any insecticides, urea or growth regulators.                                               Precaution for use in wheat:

1. Avoid use in Sandy soil                         

2. Spray on clear day                          

3.Second irrigation should be light  and avoid stagnation of water

 4.Avoid overlapping during application

 5.Do not   tank mix with other herbicides                    

 6. Do not broadcast. It should be  sprayed at optimum concentration with flood Jet/Flat Fan nozzles.                       

7. Concentrate in areas where  resistance of Phalaris minor is confirmed.