9th Class Science Sample Paper Sample Paper - 2 Term - 1

  • question_answer
    What is crop rotation? Enumerate some difference between mixed cropping and inter cropping.  

    Answer:

    Crop rotation The growing of different crops on a piece of land in a pre-planned succession is known as crop rotation.                                                                                                                                                                                                                     (1)
    S. No. Mixed Cropping Inter Cropping
    1. 2. 3.     4. Seeds of two crops are mixed before sowing. It involves no set pattern of rows of crops. It has a target to minimize the risk of crop failure.   Harvesting and threshing of crops separately not possible. Seeds of two crops are not mixed. It involves set patterns of rows of crops. It has target to increase productivity per unit area.     Both crops are easily harvested and threshed separately.
     


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