{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Towards Sustainability of Wheat and Maize Cultivation in Beijing Region: Economic Performance and Environmental Impacts (Berichte Aus Der Agrarokonomie)","author_name":"Matthias Zilkens","thumbnail_url":"https://www.ebooknetworking.net/books/383/222/big3832229787.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3832229787.html\">Towards Sustainability of Wheat and Maize Cultivation in Beijing Region: Economic Performance and Environmental Impacts (Berichte Aus Der Agrarokonomie)</a>","width":400,"height":300}