1. The sorting out of best individual plant or groups of plants from mixed population is known as selection

    The sorting out of best individual plant or groups of plants from mixed population is known as selection

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  2. It helps in the control of weeds, pests and diseases of crop plants.

    It helps in the control of weeds, pests and diseases of crop plants.

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  3. An agricultural practice in which different types of crops are grown alternately in the same field in a pre-planned succession is called crop rotation.

    An agricultural practice in which different types of crops are grown alternately in the same field in a pre-planned succession is called crop rotation.

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