Northeast Region Certified Crop Adviser (NRCCA) Study Resources

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In This Section

• PO 39 Erosion
• PO 40 Consequences of erosion & sedimentation
• PO 41.1-2 Inter-rill & rill erosion
• PO 41.3-4 Gully & streambank erosion
• PO 42 Erodibility
• PO 43 Climatic effects on erosion
• PO 44 Slope effects on erosion
• PO 45 RUSLE
• PO 46 Erosion reduction with agronomy
• PO 47.1-2 Structural conservation 1
• PO 47.3-4 Structural conservation 2
• PO 47.5-6 Structural conservation 3
• PO 48 Tillage
• PO 49.0 Tillage systems
• PO 49.1-2 Plow-till / no-till
• PO 49.3-5 Mulch-till / ridge-till / zone tillage
• PO 51.1-2 Adaptability of tillage systems 1
• PO 51.3-4 Adaptability of tillage systems 2
• PO 52 Tillage practices
• PO 53 Tillage systems
• PO 54 Soil Tilth
• PO 55. Tillage conditions
• Summary

Competency Area 5: Soil conservation AEM

PO 47. Understand the basic approaches to structural soil conservation practices.

1. Filter strips
2. Grassed waterways
3. Diversions
4. Ponds
5. Terraces
6. Drop structures

Filter Strips

Filter strips are strips or areas of permanent vegetation used to filter sediment, organic materials, nutrients, pesticides, and other contaminants from runoff.

image source: http://ohioline.osu.edu/aex-fact/images/467_1.jpg

Grassed waterways

Grassed waterways are natural or constructed swales of permanent vegetation where water usually concentrates as it runs off a field.

Grassed waterway

image source: http://www.oh.nrcs.usda.gov/programs/Lake_Erie_Buffer/images/waterway.JPG