Tutorial on Application of Manifold GIS Software for Precision Agriculture
Lesson 4 - Visualization and Analysis of Soil Data
Yield variability can frequently be attributed to
the differences in physical and chemical soil attributes. In addition to soil
survey maps, the inconsistency of various soil properties can be evaluated
using the results of laboratory analyses performed on samples obtained from
various locations within a field. For certain soil properties, e.g., electrical
conductivity (EC), on-the-go mapping techniques are available as well.
Integrated consideration of laboratory analysis data, on-the-go measurement
records, and publicly available soil survey maps (Lesson 1) can provide
valuable information with regard to spatial differences in growing conditions.
For example, an expert may be interested in comparing spatial patterns
disclosed via electrical conductivity, soil type and organic matter
content maps through the process described in this lesson.
- Import and display an
on-the-go soil sensor data layer (electrical conductivity map)
- Import and display a data
layer containing the results of soil laboratory analysis (organic matter
- Create a layout containing
both data layers that is ready for visual interpretation by an expert
- Define soil sampling patterns
using a grid-based pattern and a targeted sampling approach
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