SoilPH.pdf - Department of Engineering and Computer Science MECH 390 Capstone Proposal Floriane Miquet(40028211 Dewakar Sundaram(40020092 Sunera

SoilPH.pdf - Department of Engineering and Computer Science...

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Department of Engineering and Computer Science MECH 390 Capstone Proposal Floriane Miquet (40028211) Dewakar Sundaram (40020092) Sunera Paranagama (40015460) Patrick Brouillette (40026339)
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Brief description of the project It has been well known that the pH of soil has a major impact on the growth rates and quality of industrial (and at a smaller scale) crop production [1-3]. Depending on the type of plant, it is desired to have a pH range between 5.5 and 7.5 It has also been shown that during the growth process the soil experiences major changes in pH levels (acidification) due to proton release from the roots [5]. While this acidification can be reversed, the current industrial farming processes do not let enough time for the soil to rest, thus resulting in poor quality of crops which makes it harder to grow them over time [6,7]. The aim of this project is to design and build a device that would act as a real-time pH sensor that would feed its reading into a mapping program of the land. The idea is to create a pH-map of the field in order to be able to add the required amount of additive to the soil to maximize its potential. The device would resemble a small capsule that contains selected gelified pH-reactive chemical(s) and would measure the electrical conductivity of said gel(s) in order to determine the pH of the soil. The capsule would be planted in the soil and the contact between the surface of the gel and the soil would initiate a chemical reaction that would create an intermediate layer, affecting the electrical conductivity.
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