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Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
Question
How does fumigation differ from spraying?
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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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