{{cite journal | last1=Palacios-Díaz | first1=M. P. | author2=V. Mendoza-Grimón | author3=J. R. Fernández-Vera | author4=J. M. Hernández-Moreno | year=2013 | title=EFFECTS OF DEFOLIATION AND NITROGEN UPTAKE ON FORAGE NUTRITIVE VALUES OF PENNISETUM SP | journal=Journal of Animal and Plant Sciences | volume=23 | issue=2 | pages=566-574 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-237}}