1. Organic manures include Farmyard manure, compost green manure and vermicompost.

    Organic manures include Farmyard manure, compost green manure and vermicompost.

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  2. The process of supplying Water to crops in the fields by means of canals, reservoirs, wells, river, valley systems and river lift systems is known as irrigation

    The process of supplying Water to crops in the fields by means of canals, reservoirs, wells, river, valley systems and river lift systems is known as irrigation

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  3. India has 12 major liver basins and 8 composite rivers basins that form the surface water resource.

    India has 12 major liver basins and 8 composite rivers basins that form the surface water resource.

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  4. Organic materials which are added to soil of crop field to improve its physical conditions are called Manures

    Organic materials which are added to soil of crop field to improve its physical conditions are called Manures

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  5. Biological contrl is a method of control of pest or weed in which one living organism is used to control another living organism.

    Biological contrl is a method of control of pest or weed in which one living organism is used to control another living organism.

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