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4201 Road P Northwest
Quincy, WA, 98848
United States

(509) 787-9110

Ovenell Farms has been in operation for six generations beginning in Stanwood, Washington with crop and dairy production and moving to Eastern Washington in the early 1990's to raise dairy replacement heifers. Ovenell Farms began processing the manure from its facility in 2006 for the purpose of providing a soil amendment to local crop farmers. Since 2010, Ovenell Farms has been a permitted compost facility and has been producing compost that is certified for organic use by the WSDA under the brand name Cowpost.




Why Natural Soil Amendments

  • May control or suppress certain soil-borne plant pathogens.
  • Improves cation exchange capacity (CEC) of soils and growing media, thus improving the soil’s ability to hold onto essential nutrients and provides a buffer against soil acidification.
  • Improves water holding capacity, thus reducing water loss and leaching in sandy soils
  • Improves and stabilizes soil pH.

Ovenell Farms Custom Soil Amendments

Ovenell Farms offers a variety of customized soil amendments to supplement your fertilizer regiment.


Cowpost - Compost

Composted cow manure, bedding straw and vegetable waste - certified for organic use

Processed Manure

Processed cow manure


Screened 3" minus, great for road base and stack yards

Peat moss

pUMICe rock


Soil analysis