Open AccessEffect of two agro-ecological zones on insect species of cowpea (Vigna unguiculata L.) Walp during the late cropping season, Delta State, Southern Nigeria
Author(s) -
E. O. Egho
Publication year - 2011
Publication title -
agriculture and biology journal of north america
Language(s) - English
Resource type - Journals
eISSN - 2151-7525
pISSN - 2151-7517
DOI - 10.5251/abjna.2011.2.3.448.453
Subject(s) - vigna , biology , agronomy , cropping , delta , insect , agriculture , ecology , engineering , aerospace engineering
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