CBSE  /  Class 8  /  Science  /  Crop Production and Management

  • 1. 
    The process of separation of grain from the chaff after harvesting is known as

  • 2. 
    The soil matter formed by decayed organic matter is called

  • 3. 
    Supply of water to crops at appropriate intervals is called

  • 4. 
    Which simple tool is used to remove weeds?

  • 5. 
    Which instrument is used for spraying weedicides?

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