{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Environmental characteristics affecting Helianthus annuus distribution in a maize production system [An article from: Agriculture, Ecosystems and Environment]","author_name":"M.G. Burton, D.A. Mortensen, D.B. Marx","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0RR/bigB000RR528G.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RR528G.html\">Environmental characteristics affecting Helianthus annuus distribution in a maize production system [An article from: Agriculture, Ecosystems and Environment]</a>","width":400,"height":300}