Precision agriculture deals with the study of the spatial variability of the factors that affect the crop, to carry out sustainable agricultural management, thus achieving economic, environmental, and social advantages.
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What is already the norm in the industry: measure, quantify, relate, and decide, is a necessity in agriculture.
The difference is that in an industrial process we can control most of the factors that influence the result: production and quality, in agriculture we can control a small part, but doing it correctly, we can make a difference.
In agricultural management, irrigation has a determining function since, through it, we supply the plant with the nutrients and oxygen necessary for its development.
There are many methods of irrigation, starting with the "By-Eye" method based on experience and perception of soil moisture by the farmer, continuing with approaches based on the water balance according to evapotranspiration, remote sensing (satellite images) and ending with by methods based on direct measurements of soil moisture.