N 2 -fixation and N contribution by grain legumes under different soil fertility status and cropping systems in the Guinea savanna of northern Ghana

Title
N 2 -fixation and N contribution by grain legumes under different soil fertility status and cropping systems in the Guinea savanna of northern Ghana
Authors
Keywords
-
Journal
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
Volume 261, Issue -, Pages 201-210
Publisher
Elsevier BV
Online
2017-09-21
DOI
10.1016/j.agee.2017.08.028

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