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Irrigation » Area Equipped for Full Control Irrigation - Surface irrigation

(thousand ha)

The United States of America is the top country by surface irrigation in the world. As of 2012, surface irrigation in the United States of America was 12,078 thousand ha that accounts for 57.59 % of the world's surface irrigation. The top 5 countries (others are Turkey, Peru, Algeria, and Cuba) account for 96.35 % of it. The world's total surface irrigation was estimated at 20,970.58 thousand ha in 2012.

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Surface irrigation systems are based on the principle of moving water over the land by simple gravity in order to moisten the soil. They can be subdivided into furrow, borderstrip and basin irrigation (including submersion irrigation of rice). Manual irrigation using buckets or watering cans are also included. Surface irrigation does NOT refer to the method of transporting the water from the source up to the field, which may be done by gravity or by pumping.