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Interpreted as:
title:(Management AND of AND biological AND nitrogen AND fixation AND in AND grass/clover AND leys)
Suggestions: Include records that partially match the query
Management of biological nitrogen fixation in grass/clover leys
New Research in Organic Agriculture — 1997, pp. 89-96
Year: 1997
Language: English
Management of biological nitrogen fixation in grass/clover leys
New Research in Organic Agriculture. Proceedings. Vol. 2 — 1997, pp. 89-96
Year: 1997
Language: English
Management of biological nitrogen fixation in grass/clover leys
Year: 1996
Language: English