{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Campbell's 1907 Soil Culture Manual: A Complete Guide to Scientific Agriculture as Adapted to the Semi-Arid Regions : the Proper Fitting of the Soil ... and the Development of Soil Fertility [1907]","author_name":"Hardy Webster Campbell","thumbnail_url":"https://www.ebooknetworking.net/books/B00/30X/bigB0030XM6EC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0030XM6EC.html\">Campbell&#039;s 1907 Soil Culture Manual: A Complete Guide to Scientific Agriculture as Adapted to the Semi-Arid Regions : the Proper Fitting of the Soil ... and the Development of Soil Fertility [1907]</a>","width":400,"height":300}