Concept:Sprinkler irrigation distributes water like rainfall over crops and supports many different crop types.Explanation:Sprinkler systems are suitable for field crops, vegetables, and tree crops.This flexibility enables farmers to cultivate a wider range of crops on the same land.Options B and D are not correct because sprinkler systems are not necessarily simple to install and are often too expensive for peasant farmers.Option C is not the best choice because covering large areas is not the main advantage of sprinkler irrigation over other methods.Answer:A. it assists farmers to raise a greater variety of crops