{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Maize production and the manuring of maize (Centre d'étude de l'azote, Geneva. [Publications on soil fertility and fertilizers])","author_name":"Joseph Berger","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07J/bigB0007J545A.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007J545A.html\">Maize production and the manuring of maize (Centre d&#039;étude de l&#039;azote, Geneva. [Publications on soil fertility and fertilizers])</a>","width":400,"height":300}