{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Managing Nitrogen in Crop Production","author_name":"Peter Scharf","thumbnail_url":"https://www.ebooknetworking.net/books/089/118/big0891186239.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0891186239.html\">Managing Nitrogen in Crop Production</a>","width":400,"height":300}