{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Soil Organic Matter: Its Nature, Its Role in Soil Formation and in Soil Fertility","author_name":"M. M. Kononova","thumbnail_url":"https://www.ebooknetworking.net/books/148/316/big1483169871.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1483169871.html\">Soil Organic Matter: Its Nature, Its Role in Soil Formation and in Soil Fertility</a>","width":400,"height":300}