Erzurum yöresinde organik tarımda buğday ve fiğ yetiştiriciliği
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This study was conducted during 2003-2004, 2004-2005 and 2005-2006 crop growing periods under rainfed conditions in Erzurum. The effects of agricultural systems (conventional and organic agriculture) and rotation systems (fallow-wheat, wheat-wheat and vetch-fallow-wheat) on yield, spike number per m2, seed weight per spike, days to maturing in wheat and in soil organic matter content. Results revealed that organic agriculture and vetch-fallow-wheat system gave the most profitable combination. Besides, this combination increased soil organic matter content.