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San Diego County Water Authority: Clay soil
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San Diego County Water Authority: Sandy-Loam-Soil-flickr
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San Diego County Water Authority: Loamy Soil
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San Diego County Water Authority: A good harvest
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San Diego County Water Authority: How to make compost
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San Diego County Water Authority: Mixing compost
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San Diego County Water Authority: Compost
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San Diego County Water Authority: Unfinished compost is excellent mulch
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San Diego County Water Authority: Use a tarp