Give reason: A. Sprinkler method is good for sandy soil. B. The continuous plantation of crops in field will affect the soil. C. Manure is added to the soil before ploughing
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An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of airborne dust.[citation needed] Sprinkler irrigation is the method of applying water in a controlled manner in way similar to rainfall. The water is distributed through a network that may consist of pumps, valves, pipes, and sprinklers.[1] Irrigation sprinklers can be used for residential, industrial, and agricultural usage. It is useful on uneven land where sufficient water is not available as well as on sandy soil. The perpendicular pipes, having rotating nozzles on top, are joined to the main pipeline at regular intervals. When water is pressurized through the main pipe it escapes from the rotating nozzles. It gets sprinkled on the crop. In sprinkler or overhead irrigation, water is piped to one more central locations within the field and distributed by overhead high pressure sprinklers or guns.
The practice of continuous plantation of crops causes the soil in fields to become poor in essential nutrients such as phosphorus, potassium, nitrogen and many more. The requirement of nutrients is essential for the normal functioning and growth of plants
Manure is added to the soil before ploughing. Addition of manures to soil before ploughing helps in the proper mixing of manures with the soil. Manuring is done to in increase the fertility of the soil before seeds are sown in it.