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Subjects
Science State Board
Class 8
Crop Production and Management
Agricultural practices in crop production
13.
Different weeding techniques followed
Exercise condition:
5
m.
Choose the correct answer:
1
.
Weeds uprooted, killed, dries up and get buried in soil. Exposed to the sun's heat by deep ploughing.
-
biological weed control
summer tillage
tillage
mechanical weeding
2
.
Chemical mixed with water and sprayed over crops
-
integrated weed management
biological weed control
weedicides
summer tillage
3
.
Combination of weed control cause
-
none of the above
prevents environmental pollution
minimizes loss caused by weeds in crops
all of the above
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