{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Nitrogen deposition in agroecosystems in the Beijing area [An article from: Agriculture, Ecosystems and Environment]","author_name":"X. Liu, X. Ju, Y. Zhang, C. He, J. Kopsch, Fusuo","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0RR/bigB000RR9D7C.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RR9D7C.html\">Nitrogen deposition in agroecosystems in the Beijing area [An article from: Agriculture, Ecosystems and Environment]</a>","width":400,"height":300}