Open AccessThe effect of planting dates on seven varieties of soybean Umudike agroecosystems of South Eastern Nigeria
Author(s) -
D. A. Okpara,
TO Ojikpong,
AA Udo
Publication year - 2009
Publication title -
nigerian agricultural journal
Language(s) - English
Resource type - Journals
ISSN - 0300-368X
DOI - 10.4314/naj.v36i1.3214
Subject(s) - agroecosystem , sowing , geography , agroforestry , agriculture , agronomy , biology , archaeology