#$%^&*AU2017204615A120180215.pdf#####ABSTRACT Provided is an irrigation system 10 configured to manage irrigation of a portion of soil 18. The system 10 typically comprises at least one soil moisture probe 20 which is configured to sense a moisture gradient in the portion of soil 18, and a water supply regulator 14 and flow meter 16 for operatively regulating the irrigation of the soil portion 18. The system 10 also generally comprises a controller 22 which is arranged in signal communication with the soil moisture probe 20 and the water supply regulator 14 and meter 16. The controller 22 includes some manner of nontransitory memory arrangement 24 for operatively storing an irrigation schema therein. The controller 22 is configured responsive to, for the soil portion 18, (i) weather information, (ii) soil characteristics, (iii) an irrigation history, (iv) nutrient application information, and (v) satellite spectral reflectance data, wherein the controller 22 periodically polls aspects (i) to (v) and compares said polling to the sensed moisture gradient to compile the irrigation schema. The controller 22 is configured to facilitate irrigation of the soil portion in accordance with the irrigation schema, so that ongoing compilation of the irrigation schema forms a predictive irrigation model whereby the soil moisture probe is unnecessary to maintain desired irrigation of the soil portion 16.1/3 co 0o 00 0 CNN t； 00 c~co AM' CN. c'.oU
