{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Highest return farming systems for Drummer-Flanagan soils: an application of linear programming to farm planning","author_name":"E R. 1921- Swanson","thumbnail_url":"https://www.ebooknetworking.net/books/117/610/big1176105469.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1176105469.html\">Highest return farming systems for Drummer-Flanagan soils: an application of linear programming to farm planning</a>","width":400,"height":300}