Anderson, 2010. Hay and Forage Grower, Penton Media Inc., New York, USA Document reference Anderson, V., 2010. Sunflowers are suitable late silage crops. Hay and Forage Grower, Penton Media Inc., New York, USAWeb http://hayandforage.com/silage/sunflowers-suitable-late-silage-crops-0624/Citation key Anderson, 2010Datasheets Sunflower forage and crop residues
