ZEDAN, Ghassan Jayid; ALI, Omar Nazhan; SALIH, Ziyad Khalaf. EFFECT OF ORGANIC FERTLIZER AND INTERCROPPING FOR COWPEA (Vigna sinensis) AND SWEET CORN(Zea mays var. regosa ) IN GROWTH , YIELD AND LAND EQUIVALENT RATIO ( LER ). Diyala Agricultural Sciences Journal , [S. l.], v. 2, n. 1, p. 138–151, 2010. Disponível em: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3144. Acesso em: 30 apr. 2026.