The stalks of this plant reach a height of 8 to 12 feet. Sesbania is valuable as a green manure crop because of its tremendous growth. It can be ready to plow under in 8 to 12 weeks after germination.
According to Recording Industry Association of America, an EP is defined as 3-5 songs OR under 30 minutes,this means a single is 1-2 songs and a Lp is 10 songs are more. Source(s): http://en.wikipedia.org/wiki/Extended_play.
EPs are created for a number of different reasons. It really depends on the situation of the artist releasing the EP. New artists will use an EP as a way to demonstrate their talent before committing to a full-scale album. However, more established artists may use an EP for: Keeping fans interested between album releases.