Related Experiment Video
Updated: Sep 28, 2025
09:16
Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
Published on: November 25, 2016
16.9K
Spatial variability of soil physical properties in longitudinal profiles
Thiago C R Franco1, Gabriel A S Ferraz1, Luis C C Carvalho2
1Universidade Federal de Lavras/ UFLA, Departamento de Engenharia Agrícola, Campus Universitário, Av. Sul UFLA, sn, Aquenta Sol, 37200-000 Lavras, MG, Brazil.
Anais Da Academia Brasileira De Ciencias
|April 6, 2022
Summary
Geostatistics revealed spatial variations in soil physical properties like bulk density and penetration resistance in coffee plantations. These variations differ across soil depths and plantation lengths, impacting agricultural soil behavior.
Area of Science:
- Agricultural Science
- Soil Science
- Geosciences
Background:
- Precision agriculture utilizes geostatistics to understand soil physical property variations.
- Spatial variability of soil properties influences agricultural practices and crop performance.
- Longitudinal soil profiles in coffee plantations require detailed physical property assessment.
Purpose of the Study:
- To evaluate the spatial dependence of soil physical properties in coffee plantation streets.
- To create spatial variability maps for bulk density, penetration resistance, and gravimetric moisture.
- To understand how soil physical properties vary with depth and along plantation lengths.
Main Methods:
- Application of geostatistics, specifically ordinary kriging, to analyze soil data.
- Measurement of five longitudinal soil profiles to depths of 0.60 m in six layers.
- Utilizing R software for spatial variability mapping and cross-validation error analysis.
Main Results:
- Superficial soil layers (0-0.30 m) exhibited lower bulk density and penetration resistance.
- Gravimetric moisture content showed variability along the length of some coffee plantation streets.
- Distinct spatial dependence structures were identified for each evaluated street.
Conclusions:
- Geostatistical analysis effectively maps soil physical property variations in coffee plantations.
- Soil physical properties exhibit depth-dependent and spatially variable characteristics.
- Understanding these variations is crucial for tailored precision agriculture management in coffee farming.
Related Concept Videos
01:26Profile Leveling and Cross Sections
712
Profile leveling and cross-sections are surveying methods used to determine and document terrain elevations for infrastructure projects such as highways, railroads, canals, and pipelines. These methods provide data for earthwork planning and alignment of proposed routes. Profile leveling involves measuring elevations along a fixed line to create a vertical terrain profile. A surveyor sets up a leveling instrument at the benchmark (BM) and records a backsight (BS) to determine the...
712
02:23The Soil Ecosystem
22.3K
Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
22.3K