Scholarly record
ENVIRONMENTAL PROTECTION THROUGH HIGH RESOLUTION EVALUATION OF SOIL
Abstract
Determination of soil properties is based on soil sampling with low resolution (1- 2 or more samples per hectare) and their analysis in the laboratory. This method does not provide sufficient data to highlight the significant variability of the soil properties for the analysed parcel. This leads to a uniform distribution of the nutrients that can also be synthetic chemical substances (pollutants). Since the soil properties can influence plants growth, high-resolution mapping is required by the help of some sensors mounted on systems in motion, correlated with the GPS spatial location, in order to collect data. On the other hand, it allows distribution of the nutrients locally, according to the necessary, and thus obtaining nutrients and fuel economy that has positive effects on the environment. In addition, other adverse effects are added, due to the intensive usage of heavy machinery with several crossings through the farmland, which causes degradation of the soil structure and possible increase of soil compaction. A solution to all these problems consists of combining multiple sensors into a single system simultaneously. The paper presents the combining mode of the sensors in motion, in order to determine the soil properties with implementation to a pH sensor. The soil pH is an important indicator in determining the necessary of nutrients in the soil and is in correlation with agricultural production. In this paper are also presented the architecture of a measuring module in motion with pH sensor, the command and control algorithm and the interfacing with other measuring modules for other types of sensors, etc.
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References6
K. H. Tan, Soil Sampling, Preparation, and Analysis, Second Edition, USA-CRC Press, 2005, pp 24-40;
Christy C.D., Real-time measurement of soil attributes using on-the-go near infrared reflectance spectroscopy, Computers and electronics in agriculture 61, 2008, ELSEVIER, pp 10–19;
Rosemount Analytical Inc., The Theory of pH Measurement, http://www2.emersonprocess.com/siteadmincenter/PM%20Rosemount%20Analytical% 20Documents/Liq_ADS_43-002.pdf, USA, 2010, pp 5-6;
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Muraru-Ionel C., Vasiliu D., Muraru V.M., (2009). Information technology for agriculture yields mapping, Journal „Proceedings of the Romanian Academy Series A: Mathematics, Physics, Technical Sciences, Information”, Romania, Vol. 10/issue 3, pp 1-7, 2009.
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