Open AccessTillage depth effects on nodulation, nitrogen fixation and yield of three soybean varieties in the Northern Savanna zone of Ghana
Author(s) -
Jun Ma,
S. Jawad A. S
Publication year - 2013
Publication title -
african journal of agricultural research
Language(s) - English
Resource type - Journals
ISSN - 1991-637X
DOI - 10.5897/ajar12.1304
Subject(s) - tillage , agronomy , mathematics , yield (engineering) , bulk density , conventional tillage , grain yield , cropping , nitrogen fixation , nitrogen , soil water , environmental science , biology , soil science , chemistry , agriculture , physics , ecology , organic chemistry , thermodynamics
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