Station 3: Soils Detailed Soil Mapping Predictive Digital Soil Mapping PDSM Soil type maps Soil property maps • Significantly higher spatial accuracy • Show the actual distribution of the soil types • Increase the speed and accuracy of soil mapping If the relationship is known between a soil and its environment then the occurrence of that soil can be predicted in other areas having the same environment.
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Station 3: Soils Detailed Soil Mapping - FarmSmart · 7/6/2015 · Station 3: Soils Detailed Soil Mapping Predictive Digital Soil Mapping PDSM Soil type maps Soil property maps •Significantly
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Station 3: Soils Detailed Soil Mapping
Predictive Digital Soil Mapping PDSM
Soil type maps Soil property maps
• Significantly higher spatial accuracy • Show the actual distribution of the soil
types • Increase the speed and accuracy of soil
mapping
If the relationship is known between a soil and its environment then the occurrence of that soil can be predicted in other areas having the same environment.
Station 3 Soils: Wellington County Soil Survey, 1964, 1:63,360
Soil Type Soil series – parent material, drainage class, kinds and arrangements of soil horizons (texture, colour, thickness, structure, reaction) + Plow layer soil texture (loam, sandy loam, silt loam, etc. Guelph loam, Guelph sandy loam
Ap
Bm
Ae
Bt
Ck
Ap
Ae
Bt
Ck
Ap
Bt
Ck
Ap Apk
Ck
Profile Changes due to Tillage and Soil and Tillage Erosion
Ap
Apb
Bg
Station 3 Soils: PDSM Mapping How does it work?
• Classification of environmental layers into classes
• Target most representative cells for each class
• Determine soil type at each inspection point
• Develop rule sets to map soil types
Rule base example: Donnybrook gravelly sandy loam degraded Description: Apk, Ck profile developed on relatively dry, stoney, gravelly sands on knolls located at upper and midslope landscape positions • Upper and mid slope (valley depth, midslope, normalized