“…The average nitrogen content of 2.70% is related to crude protein content (ranging from 2.70 x 6.25 = 16, 87%). This is higher than the crude protein content of Kumpai grass (Sari, Ali, Sandi, & Yolanda, 2015) which is only 7.99% and the crude protein content of grass growing under oil palm plants ranging from 8-10.5% (Daru, Yuianti, & Widodo, 2013). Meanwhile, the crude protein content of Calopogonium mucunoides ranges from 2-4% (Prawiradiputra, Sutedi, Sajimin, & Fanindi, 2012), and of green leaved rice is 8-14% (Jamilah, Juniarti, & Srimulyani, 2016).…”