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Improvement In Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement In Food Resources2 Marks
Question
How does fumigation differ from spraying?
✓

Answer

 
Spraying
 
Fumigation
1.
Spraying requires mechanical devices such as manual sprayer or mechanical sprayer.
1.
It does not require any mechanical device.
2.
It is less effective than fumigation.
2.
It is more effective than spraying.

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