Abstract
Optimizing water consumption is a major challenge for more sustainable agriculture with respect for the environment. By combining micro and nanotechnologies with the offered solutions of IoT connection (Sigfox and LoRa), new sensors allow the farmer to be connected to his agricultural production by mastering in real time the right contribution needed in water and fertilizer. The sensor designed in this research allows a double measurement of soil moisture and salinity. In order to minimize the destructuring of the ground to insert the sensor, we have designed a cylindrical sensor, easy to insert, with its electronics inside its body to propose a low power electronic architecture capable of measuring and communicating wireless with a LoRa or Sigfox network or even the farmer’s cell phone. This new smart sensor is then compared to the current leaders in agriculture to validate its performance. Finally, the sensor has better performance than commercials, a better response time, a better precision and it will be cheaper. For the salinity measure, it can detect the level of fertilizer in the soil according to the need of farmers.
Highlights
In the context of agriculture modernization, the farmers need tools to develop the smart farming [1] [2]
By combining micro and nanotechnologies with the offered solutions of IoT connection (Sigfox and LoRa), new sensors allow the farmer to be connected to his agricultural production by mastering in real time the right contribution needed in water and fertilizer
The sensor designed in this research allows a double measurement of soil moisture and salinity
Summary
In the context of agriculture modernization, the farmers need tools to develop the smart farming [1] [2]. The sensors measure the soil moisture near the crops [3] [4]. This new intelligent sensor combines non-contact moisture and salinity measurement [5], exploiting a ca-. The two optimized parameters are, on the one hand, soil moisture, which measured at different depths allows to know the mechanism of absorption of the crop plant; and on the other hand, the salinity of the soil which gives information on the amount of soil nutrients necessary for the development of the plant [6] [7]. We will present the results of the assembled sensor and will position its measurement sensitivity with respect to DecagonTM and SentekTM sensors used by the farmers
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