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dc.creatorCogger, Craig George, 1950-
dc.creatorStahnke, Gwen K
dc.description.abstractGardeners apply organic soil amendments to improve soil and raise healthy plants. While organic soil amendments benefit most garden soils, over-application can waste money, increase the risk of harm to water quality, and in some cases, harm plants. The focus of this fact sheet is organic soil amendments, which gardeners often apply at high rates to build garden and landscape soils. Organic soil amendments include composts and similar materials, which are rich in organic matter, but contain modest amounts of nutrients. Many organic soil amendments are made from local, recycled materials. In this fact sheet, “organic” means materials of biological origin, not just certified organic products.
dc.publisherPullman, Washington : Washington State University Extension
dc.relation.ispartofseriesFact sheet (Washington State University. Extension) ; 156E
dc.relation.ispartofseriesHome Garden Series (Washington State University. Extension)
dc.subject.lcshSoil amendments.
dc.subject.lcshSoil amendments--Environmental aspects.
dc.subject.lcshSoil fertility.
dc.titleOrganic soil amendments in yards and gardens : how much is enough?

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