Irrigation control system

Details Irrigation control system Irrigation control system

A - Human Necessities

01

G

341/5

A01G 25/16 (2006.01)

Patent

CA 1198190

-36- ABSTRACT OF INVENTION An automatic irrigation control system provides the improvement in the prior art, which has previously set irrigation time by a preset or predetermined amounts, by providing for feedback from the field by means of tensiometers or other types of sensors. The tensiometers are made completely automatic and have a continuous analog signal output by the use of a backward gage pressure transducer. The tensiometers also have remote refill capabilities so that they do not have to be manually filled. Energy is saved by time sharing irrigation. Water hammer is prevented by lagging the turn-off of the field which was previously being irrigated until turn-on of the next field. Water ponding is prevented by providing time lag to allow water to penetrate the soil.

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