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Date: 2011-02-09 10:54:20Organic gardening Sustainable gardening Crops Plastic mulch Mulch Aphid Green manure Soil Thrips Agriculture Land management Agricultural pest insects | 2009 Kern County Potato Variety TrialAdd to Reading ListSource URL: cekern.ucanr.eduDownload Document from Source WebsiteFile Size: 72,81 KBShare Document on Facebook |