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Test Your Soil with Plants!
John Beeby
其他書名
Second Edition
出版Ecology Action of the Midpeninsula, 2013-08-14
主題Technology & Engineering / Agriculture / General
ISBN09600772439780960077243
URLhttp://books.google.com.hk/books?id=4pFZngEACAAJ&hl=&source=gbs_api
註釋Discover how you can tell what fertilizers to use to optimize your garden's health and productivity simply by observing the plants growing in your garden!