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 41. Understand the different types of soil erosion

There are four types of water erosion:

1. Inter-rill erosion
2. Rill erosion
3. Gully erosion: erosion by runoff scouring large channels (deeper than 1 foot).
4. Streambank  erosion: erosion by rivers or streams cutting into banks.

Gully erosion

Photo courtesy of NRCS

http://photogallery.nrcs.usda.gov

Streambank erosion

Photo courtesy of NRCS

http://photogallery.nrcs.usda.gov