WSU Extension Grant-Adams Area

Cover crops

Cover Crop Benefits
Crop Yields  
Soil Quality  Beneficial Insects  Diseases and Nematodes  Weeds  Nutrient Availability  Soil Compaction  Soil Moisture  Erosion  Runoff  Organic Matter  Infiltration

Cover Crops and Erosion

Cover crops reduce runoff by increasing infiltration. Cover crops, especially grasses, may also slow down runoff by physically blocking water flow. This gives the water more time to soak into the ground than would happen with bare ground. Cover crops also deplete soil water levels more than a bare soil would. This would leave more room for water in the soil profile and decrease runoff in the case where rainfall would saturate a bare soil.

Winter Cover Crops for Irrigated Sandy Soils.  D. Wysocki.  1986.  PNW Conservation Tillage Handbook Series.

Natural Resources Conservation Service

 

 

 

 

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