
Effect of the time of introduction of component crops and of fertilizer-N application on maize and vegetable cowpea grown in mixtures under the humid tropical conditions
Author(s) -
D. A. Okpara
Publication year - 2000
Language(s) - English
Resource type - Journals
ISSN - 1119-7455
DOI - 10.4314/as.v1i2.1457
Subject(s) - sowing , intercropping , agronomy , crop , yield (engineering) , fertilizer , leaf area index , cropping , mathematics , cropping system , dry matter , biology , agriculture , ecology , materials science , metallurgy