EFFECT OF FARM MACHINERY ON SOME SOIL PHYSICAL PROPERTIES USING HYPERSPECTRAL DATA

Nasr, G. M.; Abd Elkawy, W. M.; Al-nahry, A. H.; Abd Elhafeez, S. M.

doi:10.21608/mjae.2018.95755

	EFFECT OF FARM MACHINERY ON SOME SOIL PHYSICAL PROPERTIES USING HYPERSPECTRAL DATA
Misr Journal of Agricultural Engineering
Article 1, Volume 35, Issue 2, April 2018, Page 395-406 PDF (458.6 K)
Document Type: Original Article
DOI: 10.21608/mjae.2018.95755
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Authors
G. M. Nasr¹; W. M. Abd Elkawy²; A. H. Al-nahry³; S. M. Abd Elhafeez⁴
¹1Prof. of Agric. Eng. Fac. of Agric. Cairo Univ., Giza, Egypt.
²Prof. of Soil Sciences. Fac. of. Agric. Cairo Univ., Giza, Egypt.
³Prof. of Soil Sciences. National Authority for Remote Sensing & Space Sciences, Egypt.
⁴Agricultural specialist, National Authority for Remote Sensing & Space Sciences, Egypt.
Abstract
Traditional soil analyses are expensive, time-consuming, and may also result in environmental pollutants. The objective of this study was to develop a methodology to predict soil physical properties specifically the soil bulk density using spectral reflectance (SR) as an alternative to traditional methods. Additionally to critically examine the suitability of Visible and Near-infrared (Vis- NIR) (350–2500 nm) measurements for calibration procedures and methods to predict the value of soil bulk density. Five different seedbed preparation systems were applied. Spectroradiometer ASD was used to measure the soil spectral reflectance of each system. Stepwise multiple linear regression (SMLR) was used to construct calibration models subjected to the independent validation. The obtained regression models were of good quality (R² = 0.959, 0.868, 0.811, 0.751 and 0.677 for system 5, system 1, system 3, system 4 and system 2, respectively). Thus, Visible and Near-infrared (Vis-NIR) reflection spectroscopy is cost- and time-effective procedure that can be used as an alternative to the traditional methods of measuring soil physical properties.
Keywords
seedbed preparation; physical properties; bulk density; spectral reflectance; spectroradiometer; multi linear regression (MLR)


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EFFECT OF FARM MACHINERY ON SOME SOIL PHYSICAL PROPERTIES USING HYPERSPECTRAL DATA

Awes, R. S. 2017. Detection of heavy metals contamination in southern soils of Port Said governorate using remote sensing techniques. M.Sc. Thesis, Soil and Water Dept., Fac. of Agric., Suez Canal Univ. Egypt.

Demattệ, J. A. M.; Nanni, M. R.; da Silva, A. P.; de Melo Filho, J. F.; Dos Santos, W. C. and Campos, R. C. 2010. Soil density evaluated by spectral reflectance as an evidence of compaction effects. International Journal of Remote Sensing, 31, 403-422.